The patterns he had observed during his travels may be explained by Darwin's theory of evolution by natural selection.
In the case of the Galápagos finch species, it made sense that they would resemble one another as well as mainland finches, who most likely had a common ancestor. The best proof that organisms evolved from a common ancestor is similar DNA sequences. The existence of fossils proves evolution. These samples demonstrated how closely related ancient species were to those that existed during Darwin's time. A progression of evolution can be seen in fossils, which also offer compelling proof that species from the past were distinct from those present now.
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Ecosystems have many different organisms all coexisting together. How are they all linked?
A. by whether they are predators or prey
B. by what they consumer for energy
C. by their species
D. by where they choose their habitats
Answer:
D
Explanation:
I did the test
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in general how is the number of offspring produced by an animal related to the amount of time and energy it invests in caring for its young
Answer: The amount of time parents spend raising their children decreases with increasing fecundity
Explanation:
Fecundity is the capacity to have children. It may also be used to characterize an organism's rate of reproduction. The level of parental care provided is frequently correlated with the number of offspring produced. Generally speaking, the amount of time parents spend raising their children decreases with increasing fecundity. Animals can only use a finite amount of energy for reproduction.
why the concentration of nitrate ion in the soil had decreased after the farmer grew maize plants in the field?
Answer:
because the maize plant will take in the nitrate and use it to make proteins for growth.
The concentration of nitrate ion (nitrogen) in the soil decreases after the farmer plants maize plants in the field because the maize plants have taken up these ions.
Does maize require nitrogen?To develop and produce, maize plants need a lot of nitrogen. 160 kg/ha of nitrogen are removed on average by maize crops.
What purpose does nitrogen serve in maize?Due to its function in photosynthesis and other biological activities like mineral and water absorption, vacuole storage, and xylem movement, nitrogen is a crucial nutrient for maize and a major regulator of grain output.
What type of fertilizer is ideal for maize?The growth, yield, and quality of maize crops are most strongly influenced by nitrogen.
Fertilizer with nitrogen is necessary for healthy leaf growth.
What happens if the leaves of maize are small?Less photosynthesis, which is necessary to store starch in grains, occurs as a result of smaller leaves.
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Which of the following is the origin of almost all the large moons around the jovian planets? A) They are captured asteroids.
B) They are captured comets.
C) They are captured planets.
D) They were formed by condensation and accretion in a disk of gas around the planet.
E) They were formed by giant impacts.
The origin of almost all the large moons around the jovian planets is D) They were formed by condensation and accretion in a disk of gas around the planet. This is known as the nebular theory.
This theory states that when a new star forms in the universe, it is surrounded by a disk of gas and dust. This disk of gas and dust can form planets and moons around the star
For the jovian planets, this disk of gas and dust is around the planet, rather than the star. As the planet forms and cools, particles in the disk condense and form gas and dust clouds. These clouds eventually form into larger objects which then accrete or collide to form moons around the planet.
This process of condensation and accretion has been observed in various star-forming regions, confirming the nebular theory and making it the most likely source for the large moons of the jovian planets.
The other possible origins of the moons, such as captured asteroids, comets, or planets, cannot be ruled out as some of the moons may have originated from these sources. However, the majority of the moons are believed to have formed from the process of condensation and accretion in a disk of gas around the planet.
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This photograph shows a protion of the Monahans Sandhills in northwest Texas. Monahans Sandhills are noted for their sand dunes that can be up to 21 m (70 feet) high. The Monahans Sandhills are part of a semi-arid ecosystem that received 310 mm (21 inches) of rain on average per year.
Another picture of the same area taken weeks before shows that the shape and location of some sand dunes have changed. Which of these most likely caused the changes in the dunes?
A. mechanical weathering of rocks
B. wind erosion of sand particles
C. water deposition of pebbles
D. chemical weathering of the rocks
The most likely cause of the changes in the sand dunes in the Monahans Sandhills is wind erosion of sand particles, which is option B, as the sand dunes are formed and constantly changing due to the action of wind on loose sand particles.
What is the wind erosion of sand particles, slit?Wind erosion is the process by which the wind picks up and transports loose sand particles, causing them to collide with each other and with the surface of rocks and other obstacles in their path. Over time, this process can cause the sand dunes to shift, change shape, and even move across the landscape.
In the case of the Monahans Sandhills, wind erosion is a major factor in the formation and transformation of the sand dunes. The area has a semi-arid climate, with high temperatures and low rainfall, which means that there is not enough moisture in the air or the soil to bind the sand particles together. This loose, dry sand is easily picked up and carried by the wind, especially during periods of high wind speeds.
Hence, the most likely cause of the changes in the sand dunes in the Monahans Sandhills is wind erosion of sand particles, which is option B.
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Based on this model, which process is currently taking place and wh
at does the process create?
a. Replication; creating a single strand of RNA.
b. Translation; creating two new protein strands.
c. Transcription; creating a triple helix structure.
d. Replication; creating two complimentary strands of DNA.
d) Replication; creating two complimentary strands of DNA.
EXPLANATION:DNA replication is a process that occurs during cellular division where two identical molecules of DNA are created from a single molecule of DNA. As a semiconservative process, a single molecule containing two strands of DNA in double helix formation is separated, where each strand serves as a template for the new DNA molecules.
Because the double helix is anti-parallel and DNA polymerase only synthesizes new DNA from 5′-3′, the template strand reading 3′-5′ results in a continuous, leading strand, while the template strand reading 5′-3′ results in a discontinuous, lagging strand.
Being a highly regulated process, multiple proteins are required both during and following replication to quickly correct mistakes and damages.
How many half lives would have passed if only 6.25% is still radioactive?
Answer:
It will take 4 half lives
Explanation:
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Plant selection is important for a rain garden. Which of the following best describes the types of plants that would be most effective to use in the rain garden in this experimental design to reduce the impact of urban runoff
Plants that are native to the local area and are well-suited to the soil and climate would be most effective to use in a rain garden to reduce the impact of urban runoff.
These plants have deep root systems that help to absorb and filter water, reducing the amount of runoff that enters local waterways. They also help to reduce erosion and improve water quality. Additionally, plants that are drought-tolerant and able to withstand periods of standing water would be beneficial, as rain gardens can hold water for extended periods. It is important to note that the choice of plants will depend on the local conditions and the experimental design of the rain garden, for example, the pH of the soil, the amount of sun exposure, and the size and location of the rain garden. An expert in the field of horticulture or hydrology would be best suited to make recommendations for plants that would be most effective in a given location.
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Which three factors in an environment can lead to natural selection? A. Predation B. Competition C. Limited resources D. Abundant resources
Answer:
A. Predation
B. Competition
C. Limited Resources
Explanation:
ABC are negative factors so they can lead to natural selection. D is a positive factor that will not lead to natural selection.
female gains in body fat starting around puberty can result in a cycle of diminished physical fitness. please select the best answer from the choices provided. True or False
Female gains in body fat starting around puberty can result in a cycle of diminished physical fitness.The answer is true.
Some moments in a woman's life are to be watched more closely. The first of them is puberty.
It is known that the onset of overweight in children and adolescents predisposes, with high probability, to the development of obesity in adulthood. We will strive to monitor more particularly young girls quickly pubescent (early puberty), who grow a little too much.
Anyway, to keep a nice silhouette, prefer exercise. Did you know, the parameter most correlated with the increase in the frequency of obesity in the United States is not the diet but the number of trips by car.
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Which of the following does not make up the structure of an ATP molecule?
adenine
glucose
phosphate
ribose
A plant is an example of a heterotroph.
True
False
Photosynthesis is an anabolic process.
True
False
The number of phosphates in an ATP molecule:
2
4
3
1
Cell respiration occurs in
plants only.
heterotrophs only.
animals only.
all eukaryotes.
n autotroph is an organism which makes it's own food.
True
False
Photosynthesis is to chloroplasts as cell respiration is to
golgi body
glucose
mitochondria
cytoplasm
Which process does not release energy?
photosynthesis
lactic acid fermentation
alcoholic fermentation
cell respiration
Photosynthesis releases energy that is immediately usable by the cell to do work.
True
False
The liquid inside of a chloroplast that surrounds the grana is the
thylakoid
outer membrane
stroma
matrix
Most chlorophyll is found in the green colored organelles called the mitochondria.
True
False
Chlorophyll is an accessory pigment in plants.
True
False
Plants gather the sun's energy with light-absorbing molecules called
ATP
NADH
pigments
carbon dioxide
Consider the equation for photosynthesis. Carbon dioxide is a reactant. Oxygen is a
reactant.
energy source.
product.
toxin.
As you increase the temperature, the rate of photosynthesis increases and then decreases.
True
False
Many thylakoids make up a grana.
True
False
Identify the correct equation for photosynthesis:
6O2 + C6H12O6 → 6CO2 + 6H2O + Energy
6O2 + C6H12O6 + Energy → 6CO2 + 6H2O
6CO2 + 6H2O + Energy →6O2 + C6H12O6
6CO2 + 6H2O →6O2 + C6H12O6 + Energy
Which color of the visible spectrum is not absorbed by chlorophylls a and b?
red
green
blue
You are growing a plant in space and remove carbon dioxide from it's growth chamber. What do you expect to happen to the plant?
the plant will not be able to make sugar
the same amount of sugar will be produced
a different type of sugar will be produced
more sugar will be produced
Cell respiration begins with one molecule of glucose and produces
2 pyruvate
2 ATP
36 ATP
2 ATP and Lactic Acid
Is Colin's evidence relevant to his claim?
No, Colin's evidence is not relevant to his claim.
Since drone flying is a sport rather than a concern for privacy, Colin's evidence does not support his allegation. Colin gives evidence that is connected to the idea that flying drones is a sport by noting that coordination and technical abilities are required to fly drones. Instead of focusing on giving evidence that supports the idea that drones do not negatively affect people's privacy, Colin offers evidence that is related to the idea that flying drones is a sport. It follows that his argument is weak because it has not been adequately substantiated.
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A _____________ forms as a result of lava that has cooled at the top of a volcano.
a.
vent
b.
caldera
c.
pipe
d.
chamber
Please select the best answer from the choices provided
A
B
C
D
Answer:
B caldera forms as a result of lava that has cooled at the top of a volcano.
Explanation:
If an organism has a wide range of genetic variations, a large population, and
a wide range of geographiqhabitat choices, would the organism be less likely
or more likely to avoid extinction? Explain
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The function of a specific enzyme is most directly influenced by its 'physical shape'.
What do you mean by enzymes?
Enzymes are basically proteins that act as catalysts, speeding up chemical reactions in the body. They are essential for life and are involved in many of the body's processes, such as digestion, metabolism, and energy production.
The physical shape of an enzyme is determined by its specific sequence of amino acids, which forms its active site. This active site is the part of the enzyme that binds to substrates and facilitates chemical reactions. The physical shape of an enzyme determines what substrates it can recognize and bind to, which in turn influences the rate at which the reaction occurs. Therefore, the physical shape of an enzyme directly affects its function.
Hence, Option B is correct.
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You roll two number cubes.
Let event A = You roll an even number on the first cube.
Let event B = You roll a 2 on the second cube.
Are the events independent or dependent? Why?
A. Independent, because the outcome of the first roll doesn't affect
the outcome of the second roll.
B. Dependent, because both cubes have six sides.
C. Independent, because they have no outcomes in common.
D. Dependent, because 2 is an even number.
INNIT
Answer:
A. Independent, because the outcome of the first roll doesn't affect the outcome of the second roll.
Answer:
A
Explanation:
A
Differentiate between stomata and lenticels
Answer:
Stomata are tiny pores found in the epidermis of the plant leaves and stems which involve in gas exchange of plants.
Lenticels are lens-shaped spots or present in the woody trunks or stems of the plants. They act as pores which involve mainly in direct gas exchange of plants betweem internal cells of the stem and the environment.
4. The carbon-containing molecule found in the atmosphere that is often released by
tion is
Answer:
Oxygen is needed during the respiration process, which is how organisms turn food into chemical energy.
Carbon dioxide is a carbon-containing chemical that is present in the atmosphere and is frequently emitted during respiration. Blood oxygen is exchanged for carbon dioxide from bodily cells.
Explanation:
Answer:
burning of substance like fuel, wooden material etc
Study the cladogram.
Which organism is most closely related to the fish?
lamprey
mouse
frog
shark
Answer:
Mouse and frog
Explanation:
Answer:
it is b mouse
Explanation:
i found the cladogram picture
Beth and Eric, two veterinary assistants, are discussing their duties. Beth says the vet assistance will take the animals respiration rate and draw blood during a physical exam. Eric says the vet assistance will take the animals temperature, heart rate, weight and respiration rate during a physical exam. Who is correct
To evaluate your pet's hydration status, veterinarians will marginally lift the skin at the rear of the neck to perceive what amount of time it requires to adjust back properly (skin turgor test). A postponed skin tent can demonstrate a lack of hydration.
It gives data that assists with assessing the patient's actual status. The key parts are distinguishing the essential or introducing issue. Clinical history, ecological history, and checking on body frameworks are remembered for a decent history.
In clinical terms, "examination" signifies taking a gander at the individual or body part. It is the most important phase in an actual test.
While the turgor tension in many cells is intrinsically certain, it is negative in the xylem of a coming-to-pass plant. This isn't really to be expected since the xylem is a vascular tissue liable for the conduction of water and supplements from the roots up to the shoots and leaves.
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1. When blood leaves the heart, where does it exit?
A the aorta
B
the capillaries
c the lungs
D
• the pulmonary vein
Answer:
A the aorta
it exits through the aorta to the rest of the body
its kinda easy I just hate it<3
1. Water
2. Oxygen and Hydrogen
3. Oxygen and Hydrogen
4. Yes
5. Yes
6. 4
7. 2
8. 4
9. 2
10. No
11. Chemical change
Rearrange these words and symbols to make the word equation for respiration
water oxygen glucose carbon dioxide + + -->
Answer:
glucose + oxygen --> carbon dioxide + water
Explanation:
The correct equation is:
Glucose + Oxygen -> Carbon dioxide + Water + Energy.
Cellular respiration is a process in which different chemical reactions allow the degradation of organic compounds (glucose) to convert them into energy (inorganic substances) for cells.
The process is shown bellow.
Reactants:
Glucose: C6H12O6Oxygen: O2Products
Carbon dioxide: CO2Water: H2OEnergy: ATP.This means glucose and oxygen react to become other components such as carbon dioxide, water and ATP. According to the above, the equation for cell respiration is:
Glucose + Oxygen -> Carbon dioxide + Water + Energy.
or
C6H12O6 + O2 --> CO2 + H2O + ATP
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Plzzz help How does the Lampsilis Mussel complete its life cycle?
Answer:
It completes it's life cycle at the adult stage, where it releases glochida which attaches to the gills of fish
Explanation:
Mussels start out as glochida, metamorphosizing into juveniles, to grow into adult mussels. Males release sperm, taken in by females for thier eggs, and the eggs become glochida.
What is weight of 100 seeds called?
The weight of 100 seeds is known by the name Hundred Seed Weight (HSW).
Seed is the fertilized ovule that represents the undeveloped part of the plant. It consists of all the essential enzymes and food reserves required for its growth and development into a fully grown plant. The seeds can remain in dormant stage for a very long period of time.
HSW gives the yield of the plant and is also an indicator of the inheritance of the quantitative characteristics and how the inheritance is affected by the genotype and environmental factors. Large seeds impact the yield of the plant positively.
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The enzyme polyphenol oxidase and the substrate polyphenol can be extracted from crushed apples. The substrate turns brown when the enzyme is present. Some students were provided with extracts of the enzyme and the substrate. Describe a method the students could use to find the optimum temperature of the enzyme.
Answer:
Night insects have the most to fear from bats. Each night, bats can eat their body weight or more in insects, numbering in the thousands! And because bats eat so many insects -- which have exoskeletons made of a shiny material called chitin -- some bat poop sparkles (cool but weird fact, we know)! This insect-heavy diet helps foresters and farmers protect their crops from pests.
Explanation:
What are the 3 types of point mutations and their effects?
The three types of point mutations are: addition, deletion and substitution. The effect of these mutations is that the gene sequence is altered that results in variation in gene expression.
Point mutations are the type of mutations where the change in the genetic sequence is due to alteration of a single nucleotide. This change can be the addition, deletion or substitution of the nucleotide. This can however change the entire sequence for the gene expression.
Gene expression is defined as the process by which the genetic information is converted into a functional form that can produce the results inside the body. These processes are transcription and translation.
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How is Crohn's disease treated?
Treatment
Corticosteroids. Corticosteroids such as prednisone and budesonide (Entocort EC) can help reduce inflammation in your body, but they don't work for everyone with Crohn's disease. ...
Oral 5-aminosalicylates. These drugs include sulfasalazine (Azulfidine), which contains sulfa, and mesalamine (Asacol HD, Delzicol, others).
What is a cell? How are they different from atoms?
Explanation:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells.
cells are bigger than atoms. We can see cells with a microscope. Just as atoms have smaller parts called protons, neutrons, and electrons, cells have smaller parts, too. When you look at cells with a powerful microscope, you can clearly see hundreds of them.
Where does the light reaction occur in plants?
The light reactions of plants are the photochemical reactions that take place in the thylakoid membrane of chloroplasts and convert light energy into chemical energy in the form of ATP and NADPH.
Light reactions in plants occur in the thylakoid membranes of organelles referred to as chloroplasts. The light processes are mostly controlled by photosystems, sizable complexes of proteins and pigments (light-absorbing molecules) that are designed to capture light. The light reactions processes include the plants division of water into oxygen, protons, and electrons, and take place in the chloroplast thylakoid membrane. The light reactions occur in the chloroplast thylakoid membrane and involve the splitting of water into oxygen, plants,protons and electrons.
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