Orcas can't even come close to holding their breath for as long. Their maximum duration is approximately 15 minutes, but we typically observe them surfacing for air every 3-5 minutes when traveling or every minute when moving quickly.
The orca, also known as the "killer whale," is the largest member of the dolphin family and is a whale with teeth. These large marine mammals are easy to spot due to their black-and-white coloring, large dorsal fin, and sleek body. On the fluke's undersides, ventral surface, and lower jaw, bright white is the predominant color. The distinctive patterns serve as a method of concealment when they are searching for food.
Whales, like humans, breathe in oxygen through their lungs. However, rather than breathing through their mouths, they breathe through their nostrils, which are the blowholes on top of their heads. They can easily breathe through the blowhole without lifting their entire head out of the water.
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or
Scientists theorize that all life started with simple prokaryotic organisms. New species continue to evolve
from existing species, creating the variety of life we see today. The following diagram shows the basic
process.
fungi
(oukaryotic,
unicellular,
multicellular)
protista
(eukaryotic,
uni-or
multicellular)
eubacteria
(prokaryotic,
unicellular)
animalia
(eukaryotic
multicellular)
universal
ancestor
plantae
(eukaryotic
multicellular)
archaebacteria
(prokaryotic,
unicellular)
Based on this diagram, do you think that organisms of the same order will share a stronger evolutionary
relationship than organisms that share only the same phylum? Explain your reasoning using the results of
your investigation.
According to the taxonomical categorization, organisms are grouped into phyla and classes according to how closely they resemble one another.
Plants, animals, microbes, and other organisms are all classified taxonomically. It organizes, categorizes, and gives organisms scientific names.
The phylum is the level above the order in taxonomy, and it will be less comparable to the organism in order or class.
In contrast to an organism belonging to the same phylum, an organism belonging to the same order will share a close evolutionary link.
What, using an example, is taxonomical classification?
Similar categories, including kingdom, phylum, class, order, family, genus, and species, are used to classify organisms. Species are groups of creatures that share a common trait. On the basis of the morphological characteristics, species are distinguished. For instance, many mango varieties are all members of the same species.
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What gene determines fur color?
A co-dominant red gene (O/o) found on the X chromosome determines whether there is a red variation in cat's coat color. This gene encodes pheomelanin. The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).
A cat with a dominant color (black, red, calico, etc.) needs a parent to indicate the dominant color. Her two parents with recessive colors (cream, blue, etc.) cannot produce offspring with dominant colors (black, red, etc.).
Cats inherit half of their genetic makeup from their mothers and half from their fathers. There are 19 chromosomes each, 38 total, the X and Y chromosomes determine sex.
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What features of mature forest species, such as oak trees, make them able to dominate and compete in the ecosystem
They require a long time to become exceptionally tall interminably. They give an overhang to conceal the others and give natural surroundings to many living with widely varied vegetation.
Notwithstanding trees, each progressive local area harbors numerous other living things, with the best variety populating the peak local area. Comparative biological zonings happen among marine widely varied vegetation, reliant upon such environmental variables as a base organization, accessibility of light, and level of saltiness.
Particular logging is a more environmentally maintainable practice than clear-cutting, which involves eliminating all trees simultaneously. The thought behind particular logging is to keep lopsided or all-matured timberland of trees fluctuating in age as well as in size and species also.
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solar energy is increasingly being used to replace fossil fuels to generate electricity.
describe the disadvantages of continuing to use fossil fuels to generate electricity
Answer:
Fossil fuels pollute the environment. Fossil fuels are non-renewable and unsustainable.
Answer:
disadvantages of fossil fuels to generate electricity
1. Fossil fuels are not renewable energy sources
2. Fossil fuels pollute the environment
3. In the case of irresponsible use, they can be dangerous
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What are the similarities and differences between artificial and natural selection?
Natural selection is influenced by environmental factors that limit survival and reproduction, such as hard habitats or mate competition. Selective breeding is referred to as "artificial selection."
Breeding is a natural process of mating between two species, but selective breeding is an artificial process where people intervene and choose specific organisms to mate.
There are three differences between natural selection and selective breeding:
Artificial selection is influenced by human intervention. Natural selection is governed by the selective pressure of the environment.Artificial selection is the responsibility of breeders. Natural selection has considerably expanded biological variety on Earth.Artificial selection, on the other hand, makes it simpler for the breeder to pass on desired features.Learn more about natural selection Visit: brainly.com/question/23929271
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Biologists conclude that sardine fish form tight clusters
called "bait balls," such as the one shown in the image,
because this behavior protects them from predators.
Which evidence would support this conclusion?
A. Observations tracking the movement of an individual sardine
when a predator is near
Fish species found in open ocean are especially in need of some protection, as they don't have the cracks and crevices that fish in coastal or coral reef habitats have to hide away.
What do biologists do?Biologists research all living things, including people, plants, animals, and their habitats. They may carry out their study at the cellular level, the ecosystem level, or everywhere in between, whether it is in the field of human medicine, plants, animals, or environmental systems.
Which biologists are some well-known ones?One of the most well-known British scientists, Charles Darwin, is recognized as the originator of evolution according to his 1859 book Just on Origin of Species. While serving as a naturalist just on HMS Beagle during its round-the-world trip from 1831 to 1836, Darwin conducted the research for the this book.
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What is a contrast to natural selection?
Artificial selection is a contrast to natural selection.
Natural selection is the process by which populations of organisms adapt and change. Individuals within a population are inherently variable. In other words, all individuals are different in some way. This variation means that some individuals have traits that adapt better to their environment than others.
Natural selection is the selection process that occurs as a result of an organism's ability to adapt to its environment. Artificial selection, on the other hand, is selective breeding imposed by an external entity, usually a human, to increase the abundance of desirable traits.
Examples of natural selection include : Selection of long-necked giraffes.
Examples of artificial selection include : Breeding different breeds of dogs and cows to produce the desired breed.
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TRNA is used during ____________in the organelle named ______________to form long ______________________chains of _________ _______ which are then sent on to be folded and formed into ______________.
Answer:
1. Translation
2. Ribosome
3. Peptide
4. Amino acids
5. Proteins
Explanation:
tRNA, known as transfer RNA, is a special type of RNA that functions majorly in the translation process where. tRNA reads the codons in the mRNA molecule using its anticodons and carries corresponding amino acids to the growing peptide chain in the ribosome. The amino acids are later used to form proteins.
Based on the above explanation, the answers to the blank spaces in the question are typed in BOLD:
- tRNA is used during TRANSLATION in the organelle named RIBOSOME to form long PEPTIDE chains of AMINO ACIDS which are then sent on to be folded and formed into PROTEINS.
A high school football player has received a hard direct blow to the abdomen. Which of the following may indicate internal bleeding?
1. Profuse bleeding from the bowels, deep slow breathing, slow pulse
2. Weak rapid pulse, tenderness, guarding, or pain in the abdomen
3. Deep slow breathing, normal pulse, warm dry skin
4. Warm dry skin, rapid pulse, nausea, deep regular breathing
When a high school football player has received a hard direct blow to the abdomen, the thing which indicates internal bleeding is weak rapid pulse, tenderness, guarding or pain in the abdomen.
Thus, the correct answer is 2.
Internаl аbdominаl injuries from blunt trаumа аre serious injuries thаt occur when the body hits or collides with а lаrge object. These types of injuries аre most common in contаct sports like footbаll, ice hockey, soccer, аnd lаcrosse. The most common Internаl аbdominаl injuries include kidney injury, spleen injury, liver injury, аnd аbdominаl injury. Аbdominаl injury cаn result in injury to the pаncreаs, diаphrаgm, stomаch, gаllblаdder, blаdder, or intestines.
Аn internаl аbdominаl injury cаn cаuse rаpid blood loss. Eаrly indicаtions of аbdominаl trаumа include nаuseа, vomiting, blood in the urine, аnd fever. The injury mаy present with аbdominаl pаin, tenderness, distension, or rigidity to the touch, аnd bowel sounds mаy be diminished or аbsent.
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Please answer I really need help
Answer:
Carbohydrates - monosaccharides
Proteins - amino acids
Nucleic acids - nucleotides
Lipids - fatty acids (hydrocarbon chains)
Explanation:
There are four major biological molecules called biomolecules in nature namely; carbohydrates, proteins, nucleic acids and lipids. These four molecules form the bedrock upon which life is built. The biomolecules mentioned above are POLYMERS formed as a result of the combination of two or more simpler molecules called MONOMERS in a process called CONDENSATION.
The monomer of each polymeric biomolecule is as follows;
Carbohydrates - monosaccharides
Proteins - amino acids
Nucleic acids - nucleotides
Lipids - fatty acids (hydrocarbon chains)
so uhm nobody cares but im in the middle of dying my hair and I'm probably gonna get beat bc I never asked and I'm doing my roots to
I have religious parents who believe dying hair is a sin cause god took time to give me pretty blonde hair
Answer:
hopefully you won't get in trouble lol.
Explanation:
Answer: Its ok your parents will understand your just expressing yourself.
What molecule provides the energy needed for
movement from low to high concentration?
Answer:
During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP).
Explanation:
Use the information you have already gathered, in addition to a few other properties of minerals, to identify the seven minerals in the chart below.
Metal alloys, such as iron, copper, and zinc, essential for industrializing any society. As a result, regions of the world that are currently making the transition from developing to industrialized civilizations have a quickly increasing need for raw minerals.
What are the important properties of minerals?Nutrients called essential minerals are required to keep the body healthy. There are 13 different significant minerals in total. These are necessary for development, mobility, the creation of energy, and other metabolic processes.
Therefore, Crystal shape, color, hardness, cleavage, and specific gravity are among the most prevalent physical characteristics. Examining the crystal form of a mineral is one of the finest ways to identify it (external shape).
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Double-stranded viral DNA is incorporated into a host cell as a _____.
Double-stranded viral DNA is incorporated into a host cell as a form of genetic material.
The viral DNA is packaged within the viral capsid and is released into the cells of the host organism when the virus enters the cell. Once inside the cell, the viral DNA is uncoated and then incorporated into the host cell's own genetic material. This process, known as “genetic transformation”, is how the virus replicates its genetic material and spreads to other cells.
The incorporation of viral DNA into a host cell is an essential part of how viruses spread and cause disease. The viral DNA is able to take control of the host cell's normal cellular functions and cause it to produce more viral particles.
This process, termed “lytic cycle”, is necessary for the virus to spread and cause infection. In some cases, the viral DNA also integrates into the host cell's genome, allowing the viral genetic material to be passed down through generations of cells. This process, referred to as “lysogenic cycle”, can lead to persistent infections and chronic diseases.
In order to successfully incorporate its DNA into the host cell, the virus must first attach to the host cell's membrane. This is done by the virus making use of specific proteins known as “receptors” that are found on the cell's surface. When the virus attaches to the receptor, it is allowed to enter the cell. Once inside the cell, the viral DNA is then uncoated and incorporated into the host cell's own genetic material.
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PLEASE PLEASE HELP!!! i will give brainliest!!!
What are zRGFD the three main driving forces of deforestation?
Answer: Among the detailed categories of proximate causes for all regions, the extension of overland transport infrastructure, followed by commercial wood extraction, permanent cultivation, and cattle ranching, is the leading proximate cause of deforestation.
Describe the carbon cycle
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
Explanation:
brainliest please
Answer these questions for $15 *if I delete your answer it’s wrong*
1. Using what you know about protein synthesis l, explain the cause of sickle cell anemia.
2. What evidence supports your explanation?
3. What is the relationship between the structure of the red blood cell and it’s function?
4. How does the shape of the red blood cell affect its function in the case of sickle cell anemia?
Answer:
Due to mutation of the HBB gene.
Explanation:
This causes a change in amino acids which are the building blocks of proteins. Therefore the proteins stick together and form a fiber that changes the shape of the red blood cell making them more fragile.
Evidence that supports my explanation
People with Sickle cell anemia cannot contract malaria since they have low surface area for hemoglobin retention.
Relationship between the structure of the red blood cell and it’s function
It has a biconcave shape with a large surface area to increase space for parking hemoglobin.
How the shape of the red blood cell affect its function in the case of sickle cell anemia
In the case of sickle cell anemia, the shape of the red blood cell becomes sickle like thus reducing the surface area for packing of hemoglobin.
Reduction of fluid losses at the kidneys due to the retention of Na+ is the action of
A) antidiuretic hormone.
B) calcitonin.
C) aldosterone.
D) cortisone.
E) oxytocin.
Reduction of fluid losses at the kidneys due to the retention of Na+ is the action of a hormone called aldosterone. So option c is correct.
Aldosterone is a steroid hormone produced by the adrenal glands that plays a crucial role in regulating electrolyte balance in the body.Aldosterone works by stimulating the kidneys to reabsorb more sodium ions (Na+) and water, and to excrete more potassium ions (K+). This results in an increase in blood volume and blood pressure, as well as a decrease in urine output.
By retaining more sodium ions, aldosterone helps to maintain the body's fluid balance and prevent dehydration.Aldosterone secretion is regulated by the renin-angiotensin-aldosterone system (RAAS), which is a complex feedback mechanism that responds to changes in blood pressure and electrolyte levels. When blood pressure drops or when the body loses too much sodium, the kidneys secrete the enzyme renin, which converts angiotensinogen to angiotensin I. Angiotensin I is then converted to angiotensin II by the enzyme ACE, which stimulates the release of aldosterone.
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Please help due today and will give brainliest
Answer:
4x10^-5
Explanation:
divide 80 by 2 million
Use this sentence: A fault cuts across several layers of rock. Which conclusion can be made?
A. The fault is younger than the layers of rock based on the law of inclusion.
B. The fault is younger than the layers of rock based on the law of crosscutting. C. The fault is older than the layers of rock based on the law of inclusion.
D. The fault is older than the layers of rock based on the law of crosscutting.
Answer:
I think its B
Explanation:
I DK if I'm right bc I'm stuck on the same question
just get one wrong and if you get everything else right, it won't matter at all.
What color of the visible light is reflected when the plant leaves appear as green in color Brainly?
The color of the visible light that is reflected when the plant leaves appear as green in color is green. The chlorophyll pigments in the leaves of plants absorb the red and blue parts of the visible light spectrum.
The green part is reflected, making the leaves appear green to our eyes. Chlorophyll is a type of pigment that is found in the chloroplasts of plants. Chlorophyll absorbs red and blue light while reflecting green light. It gives the leaves of a plant their green color. The chlorophyll pigments are responsible for the green color of leaves, which are the primary site of photosynthesis in plants. They Chlorophyll absorb light in the blue and red regions of the spectrum, but reflect light in the green region. That is why leaves appear green to the human eye.
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After a cell was treated with a certain chemical, the ribosomes stopped functioning. Which cell activity was immediately affected by this change in ribosome function
The ribosomes ceased working when a cell was exposed to a certain substance. Protein synthesis is the first cell activity influenced by this alteration in ribosome function.
As a result, B is the right answer.
Cells are the fundamental structural components of all living things. Ribosomes are specialized structures found inside cells that manufacture proteins. A eukaryotic cell's protein production is comprised of two processes: transcription and translation.
The transcription process occurs in the nucleus, where information from a DNA strand is transcribed into a single-stranded messenger RNA (mRNA) molecule by the RNA polymerase enzyme.
During the termination of transcription, the completed mRNA strand detaches from DNA, exits the nucleus, and enters a cytoplasmic ribosome. Translation happens at the ribosome, where the genetic code in mRNA is read and protein is made.
Cells require these proteins to accomplish vital processes such as mending cellular damage, maintaining cellular structure, producing hormones, and dividing cells.
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Full Question ;
After a cell was treated with a certain chemical, the
ribosomes stopped functioning. Which cell activity was
immediately affected by this change in ribosome function?
A) intracellular transport
B) protein synthesis
C) aerobic respiration
D) excretion of metabolic wastes
the ___ of the ___ effects the ___ by dragging all the water into the oceans towards it causing a bulge on the side of the ____ that faces the moon.
Tides, Earth, gravity, moon
In order to make food, plants need animals for _____.
oxygen
nitrogen
water
carbon dioxide
What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1oC when 207 J of heat is added? 0.900 Jg℃
Answer:
0.900 Jg^-1℃^-1
Explanation:
Given that;
H = mcθ
H = heat added
m = mass of aluminium
c = specific heat of aluminum
θ = increase in temperature
Making c the subject of the formula;
c = H/mθ
c = 207 J/28.4 g * 8.1oC
c = 0.900 Jg^-1℃^-1
What does a plant life cycle start with?
its a plant dawg think smarter not harder ✊
The illustration shows Galápagos tortoises from Albemarle and Abingdon islands. The variations in the features of the tortoise populations on Albemarle and Abingdon islands are examples of __________.
A. adaptations
B. vestigial structures
C. analogous structures
D. molecular similarities
Answer:
A
Explanation:
How do the respiratory and circulatory systems work together essay?
To supply oxygen and remove carbon dioxide, the circulatory and respiratory system works together.
The respiratory system is what aids in breathing in oxygen and breathing out carbon dioxide. The circulatory system is the system that assists in supplying tissues with oxygen from the lungs and in removing carbon dioxide from the tissues by way of the lungs. In this way, both of these processes assist in the supply of oxygen and the removal of carbon dioxide as waste.
The blood that carries waste (CO₂) from the tissue via the heart will first carry the oxygen inhaled to the lungs, where it will be exchanged with the blood. The oxygen will then be sent to the heart, where it will be used to pump oxygen-rich blood to the tissues. Additionally, blood that has lost oxygen will transport waste from the tissue.
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The Lygaeus mode of sex determination is the ________. A. XY/XX scheme B. hermaphroditic scheme C. XX/XO scheme D. scheme based on single translocations in the X chromosome E. XO/YY scheme
The Lygaeus mode of sex determination is the A. XY/XX scheme that is determined by the scheme.
The common mode of sex determination: XX/XY. Although the X chromosome is bigger than the Y chromosome and incorporates over 1300 genes, there have to be the presence of a Y chromosome so as for the male phenotype to be expressed. X chromatin in its inactivated shape is gift as a mass towards the nuclear membrane in girls is referred to as Barr frame because it became first named via way of means of Barr and Bertem (1949). These Barr our bodies are found in 40% of girls who're taken into consideration as chromatin wonderful and absent in men who're taken into consideration as chromatin negative.
Thus, the correct option is A.
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when polymers are broken down into monomers, what would your body do with those monomers?
When polymers are broken down into monomers, the body uses those monomers for respiration and protein synthesis.
Most mаcromolecules аre mаde from single subunits, or building blocks, cаlled monomers. The monomers combine with eаch other using covаlent bonds to form lаrger molecules known аs polymers. In doing so, monomers releаse wаter molecules аs byproducts. This type of reаction is known аs dehydrаtion synthesis, which meаns “to put together while losing wаter”.
Polymers аre broken down into monomers in а process known аs hydrolysis, which meаns “to split wаter”, а reаction in which а wаter molecule is used during the breаkdown. During these reаctions, the polymer is broken into two components: one pаrt gаins а hydrogen аtom ([tex]H^{+}[/tex]) аnd the other gаins а hydroxyl molecule ([tex]OH^{-}[/tex]) from а split wаter molecule.
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