Through the cycle of photosynthesis, carbon dioxide is pulled from the air to deliver food produced using carbon for plant development. Carbon moves from plants to creatures. Through natural ways of life, the carbon that is in plants moves to the creatures that eat them. Creatures that eat different creatures get the carbon from their food as well.
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Select the correct answer.
Which is an example of dehydration synthesis?
A. DNA synthesis from nucleotides
B. conversion of proteins into its amino acids
C. conversion of lipids into fatty acids
is there an impact on the environment if blue whales went extinct? Who or what would it impact?
Without whales, krill would probably consume a large portion of the free-floating phytoplankton on the ocean's surface, accelerating climate change noticeably.
What makes the blue whale significant in terms of the environment?
Although blue whales have a huge food need, the ocean environment benefits from them rather than being burdened by them. Their iron-rich excrement is a crucial supply of nutrients for the marine food web, boosting production in the Southern Ocean and increasing fisheries yields.
What impact does blue whale extinction have on biodiversity?
The food source for many animals in the marine ecosystem is the carcasses of whales. The disappearance of whales would deprive other marine species of nutrients, which will have an impact on all species in the ocean.
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the surface area to volume ratio determines the rate of transfer across the cell membrane.
what has the best transfer rate?
A: Smaller cells with a high surface area to volume ratio have the best transfer rates
B: Medium sized cells are the best for transfer rates
Answer:the answer is a
Explanation: I just answered it
Smaller cells with a high surface area to volume ratio have the best transfer rates, hence option A is correct.
What is cell membrane?All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane.
The movement of materials into and out of the cell is controlled by the cell membrane.
A small volume is better in terms of efficiency of transporting molecules throughout the cell, but a large surface area is better for transporting molecules across the cell membrane.
A surface area to volume ratio regulates cell size because as cells become larger, they have less surface area relative to their size.
Therefore, smaller cells with a high surface area to volume ratio have the best transfer rates, hence option A is correct.
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Which of these actions would be controlled by the somatic nervous division of the peripheral nervous system?
A. Blood vessel dialation
B. Movement of food down the esophagus
C. Opening and closing of the eyes
D.Opening and closing of the pupils
Answer:
C
Explanation:
What role do neurons serve within the nervous system? Why is it so important?
Answer:
Neurons are electrically excitable cells that transmit information throughout the nervous system. They are the basic building blocks of the nervous system and perform a variety of functions, including receiving and sending signals, processing information, and controlling movement.
The nervous system is responsible for coordinating the body's activities and responding to its environment. without neurons, the nervous system would not be able to function properly. Neurons are essential for survival and play a vital role in our health and well-being.
what is the neural control of the Musculoskeletal system
Answer:
Explanation:
The central nervous system controls these movements through the spinal motor neurons which serve as the final common pathaway to the muscles
Which of the following is directly responsible for an orgasm?
Answer:
ERECTION
Explanation:
If you weigh 60 pounds on earth, you would weigh blank pounds on the moon
In an investigation, individual Rhabdostyla were placed into different concentrations of sea water.
The rate of water excreted by the contractile vacuðle of each organism was determined. The results
are shown in Fig. 4.2.
20
18-
16
[3]
14
12
rate of
water
excreted
um's
10
8-
6
4-
2
0
0
4
12
Explain the result
Answer:
placed into different concentrations of sea water.
The rate of water excreted by the contractile
Look at the DNA strand below and its
complementary strand underneath it.
What type of mutation has occurred in
the complementary strand?
ATCGGACT
TACCTAG
A. insertion
B. deletion
C. no mutation has occurred
Answer:
B. Deletion
Explaination:
Answer:
B. deletion
Explanation:
You have been infected with the H1N1 flu virus. Describe how the virus might have entered your body, how it works to make you sick, and what happens when you finally get better. Lost at least 7 different steps
Answer:
Some symptoms like Cough , Fever , Headache, Chills,Body aches , Fatigue etc can be seen while suffering from this virus.Where does wind come from? Why and how is wind stronger than other times? Or why and how is wind lighter ( not as strong) as other times.
Answer:
Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. Two factors are necessary to specify wind: speed and direction.
Strong winds are due to a strong pressure gradient force. A pressure gradient is how fast pressure changes over distance. So, when pressure changes rapidly over a small distance, the pressure gradient force is large. Strong winds almost always result from large pressure gradients.
Explanation:
The life activity known as synthesis is chiefly characterized by the:
A) Distribution of essential compounds throughout an organism.
B) Production of complex molecules from simpler ones.
C) Elimination of waste products from the organism.
D) Regulation of physiological activities.
Answer:
B) Production of complex molecules from simpler ones.
Explanation:
Synthesis is the process of combining simpler molecules to form more complex ones. This can occur through various chemical reactions within an organism. The other choices do not accurately describe the process of synthesis.
A) Distribution of essential compounds throughout an organism - This refers to the transport of essential molecules within an organism, rather than the production of complex molecules from simpler ones.
C) Elimination of waste products from the organism - This refers to the removal of waste products, rather than the production of complex molecules.
D) Regulation of physiological activities - This refers to the control of physiological processes, rather than the production of complex molecules.
Matching - select the best answer and place it next to questions below.
•Meristematic Tissue
•Permanent Tissue
•Genus, Species
•Chlorophyll
•Lenticel
•Node
•Monocot
•Dicot
•Simple Fruit
•Aggregate Fruit
•Root Hair
•Dormancy
•Totipotency
Hesperidium
Perfect Flower
Protoplasm
Pepo
Parthenocarpy
Leaf Vein
Adaptation
.
22.
Allows for plant survival in various climates
23.
Process where a plant produces a seed without fertilization
24.
Found in the bark of woody trees; allows for gas exchange
25..
Has male and female structures on one flower
26.
Found at the root tip; cell division still occurs here
27.
Extension of an epidermal cell
28.
Must be present for photosynthesis to occur
29.
Makes up the scientific name of a plant
30.
Includes the phloem and xylem
31.
Found in stems, leaves, flowers; cell division does not occur
32.
Derived from one ovary of a single flower
33.
Has a taproot system
34.
Time when the seed is not growing; period of rest
35.
Location on the stem where growth occurs
36.
Fleshy fruit that consists of a leathery rind
37.
Fleshy fruit that contains fragrant oil and leathery skins
38.
Derived from several ovaries of a single flower
39.
Cell characteristic that allows them to become any type of cell
40.
Living parts of a cell
Answer:
Hair root is 27 dicot is 33
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03.05 The Atmosphere and You Guided Notes
Objectives:
In the lesson you will:
describe the composition and structure of the Earth's atmosphere
describe the functions of the five main layers of Earth's atmosphere
explain how Earth's atmosphere (including the ozone layer) protects life and insulates the planet
discuss the effects of global warming and ozone depletion
Big Ideas:
Key Questions and Terms
Notes
What is the atmosphere?
It is the layer around earth that keeps gas in earth.
What gases make up the composition of the atmosphere?
Make a mnemonic sentence to remember the layers of the atmosphere.
What are the functions of each layer of the atmosphere?
What layer of the atmosphere has breathable air?
In what layer of the atmosphere is the ozone layer found?
What is the warmest layer of the atmosphere?
What is the coldest layer of the atmosphere?
In what layer of the atmosphere would you find satellites?
How does the ozone layer protect Earth?
What is ozone?
When does ozone become a pollutant?
Where is protective ozone located? Where is harmful ozone located?
How could a hole in the ozone layer affect humans?
Where are chlorofluorocarbons (CFCs) found? Why were they banned?
How does the atmosphere help insulate Earth?
What is the greenhouse effect?
What are greenhouse gases? Why are they important?
How are human activities affecting global warming?
Name three types of greenhouse gases. What types of human activities produce these particular gases?
What are some effects of global warming?
What does the term “climate change” refer to?
What is desertification?
What is a carbon footprint? What are some actions you can take to reduce your carbon footprint?
What are some of the results of too much sun exposure?
What are some ways you can protect yourself from harmful sun exposure?
Answer:
ozone is a pale blue gas which is made up of three oxygen atoms.
hole in ozone layer affect humans
bcoz harmful uv rays are entered through the hole which is dangerous to human's skin and health.
cfc are found in industries.
the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface is called green house effect
the main gases responsible for the greenhouse effect are greenhouse gases. they are important bescause Greenhouse gases keep our planet livable by holding onto some of Earth's heat energy so that it doesn't all escape into space.
effects of global warming:
1) climate change
2) melting of glacier
3) acid rain
climate change refers to the variation of the earths global or regional climate over a long period of time because of changes in environment
desertification is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Answer:
Explanation:
Please help!
1.) Explain why the term cycle is used to describe the biogeochemical cycles.
2.) Compare and contrast the carbon and nitrogen cycles. Specifically, identify which happens when either exists in very large quantities in the environment.
the illustration shows a model of the transport of soute particles from outside the cell to inside the cell. what type of cell transport is modeled
Answer:
The illustration shows a model of the active transport of solute particles from outside the cell to inside the cell.
Explanation:
Active Transport is defined as a process involving the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy.
This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.
An example is the phagocytosis of bacteria by Macrophages.
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What conditions are needed do an accurate radiometric date to be obtained form a mineral sample?
Answer:
There are several conditions that are needed for an accurate radiometric date to be obtained from a mineral sample. These include:
The mineral must be a suitable type for radiometric dating. Some minerals are more suitable for radiometric dating than others due to their chemical composition and the type of radioactive isotope they contain.
The mineral must be in a closed system. This means that the mineral must not have exchanged any atoms with its surroundings since it formed. If atoms have entered or exited the mineral, it will not give an accurate radiometric date.
The mineral must be pure. If the mineral sample contains contaminants or impurities, it will not give an accurate radiometric date.
The mineral must be free of any damage or alteration. If the mineral has been damaged or altered in any way, it will not give an accurate radiometric date.
The mineral must be properly prepared and analyzed. The sample must be carefully prepared and analyzed using specialized equipment and techniques to ensure accuracy.
Overall, to obtain an accurate radiometric date from a mineral sample, it is important to ensure that the mineral is a suitable type, is in a closed system, is pure, is free of any damage or alteration, and is properly prepared and analyzed.
Explanation:
Folate is a crucial vitamin for proper development of
the neural tube, which eventually becomes the brain and
spinal cord. Which of the following might explain why
neural tube defects occur more frequently than other
types of birth defects?
The neural tube, which is responsible for the development of the brain and spine, closes within the first 28 days of pregnancy.
Folate deficiency can prevent the neural tube from closing, which can result in a neural tube defect.
Which vitamin deficiency results in defects of the neural tube?Neural tube defects may be more likely in people with low vitamin B12 levels, according to the National Institutes of Health (NIH).
How does folate affect the developing uterus?The amount of folate in your blood is important to help prevent a neural tube defect, also known as a serious birth defect of the brain or spine, in a developing baby if you are pregnant or could become pregnant.
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Which of the following factors of a gene determines the protein, and therefore the trait, it expresses in a cell
Where the cell is found in the organism.
The position inside of the nucleus.
Its length and sequence of nitrogen bases.
Its shape and color after cell reproduction.
which of the following phenomena never affects the moons phase?
Answer:
A lunar eclipse never occurs during a full moon.
Explanation:
A lunar eclipse occurs during all full moons. A lunar eclipse can only occur during a full moon.
Increased biodiversity results in a more sustainable ecosystem because -
Answer: Because, the higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem, and stability. It makes an ecosystem more sustainable because of the food web being stronger and the organisms providing a wide variety of functions.
I hope I answered you correctly and that it helps, I'm sorry if its wrong. Good Luck!
Explanation:
Why will individuals have brown eyes rather than a blue eyes?Question 6 options:a)
Brown eyes is a mutation.
b)
Blue eyes is recessive.
c)
Blue eyes is dominant.
Answer:People with brown eyes have a large amount of melanin in the iris, ... leading to blue eyes instead of brown in people with a polymorphism in ... result from mutations in genes involved in the production and storage of melanin. ... Heterochromia can be caused by genetic changes or by a problem during eye
Explanation:
I AM SORRY IF AM WRONG
When nutrients leave the digestive system and move to the circulatory system it is called...
Adjunction
Villi
Absorption
epithelial
Photosynthesis is the critical process for life to exist. On Earth, it is certainly the
fundamental biological process that all forms of life rely on. This is a process is
carried out by most plants, algae, and some cyanobacteria. The process has
these organisms take in carbon dioxide, water, and minerals. Then with the help of
sunlight it creates sugars that provide the organism nourishment and life-giving
oxygen.
What is the main idea of the above passage?
Answer: Photosynthesis is the critical process for life to exist.
Explanation:
The main idea is on the first line.
You can see all the information afterwards are leading to the explanation of the process of photosynthesis.
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This is an example of a squirrel population
An example of a squirrel population would be a group of Eastern Gray Squirrels (Sciurus carolinensis) living in a city park.
What is an examples of squirrel population?An example of a squirrel population would be a group of Eastern Gray Squirrels (Sciurus carolinensis) living in a city park. Scientists may study the population dynamics and ecology of this group of squirrels by conducting surveys and capturing and marking individual squirrels to track them over time. This can provide information on their survival rates, reproduction, and movements, which can be used to estimate the size and growth rate of the population, as well as identify any factors that may be impacting the population, such as disease, predation, or habitat loss.
Additionally, scientists may also conduct transects, or study the population density, distribution of the squirrels in a specific area and the food resources that are available to them, as well as monitor the environmental factors that might affect the population growth.
Another example could be a population of Fox Squirrels (Sciurus niger) living in a rural forest. Here, researchers may study the impacts of logging and fragmentation on their population dynamics and genetic diversity, and understand how these animals are utilizing different food resources throughout the year.
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explain how the huge reduction of a Tasmanian devil population since 1996 affects the accessibility of the current population to new diseases in comparison with accessibility of population before 1996?
Answer:
In the past two decades, this species has experienced severe population decline due to the emergence of devil facial tumor disease (DFTD), a transmissible cancer. During these 20 years, scientists have puzzled over the immunological and evolutionary responses by the Tasmanian devil to this transmissible cancer
After classical conditioning has occurred, if the conditioned stimulus (tone) is repeatedly presented alone, without the unconditioned stimulus (food), the conditioned response (salivation) will
Group of answer choices
generalize.
discriminate.
strengthen.
weaken.
Answer:generalize
Explanation:
After classical conditioning has occurred, if the conditioned stimulus is repeatedly presented alone, without the unconditioned stimulus, the conditioned response will WEAKEN.
Classical conditioning refers to a class of learning that occurs unconsciously.Moreover, conditioned stimuli are previously neutral responses that drive conditioned responses after their association with unconditioned stimuli.Extinction refers to the process in which a conditioned stimulus is applied repeatedly, but without being paired with its corresponding unconditioned stimulus.In conclusion, after classical conditioning has occurred, if the conditioned stimulus is repeatedly presented alone, without the unconditioned stimulus, the conditioned response will WEAKEN.
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Give organism a name. Give it a common name AND a scientific name.
Write a short description to describe your organism’s evolution and showcase its key traits.
Answer:
My organism is called the Red Panda (Ailurus fulgens). It is a mammal native to the eastern Himalayas and southwestern China. The Red Panda is the only living species of its genus, Ailurus, and is closely related to the Giant Panda, although it has a much more specialized diet. It is an excellent climber and has a thick, woolly coat to help keep it warm in its cold mountain habitat.
The Red Panda has evolved over time to become more specialized in its diet and habitat. Its thick fur helps to keep it warm in the cold mountain environment, while its long, bushy tail helps it balance while climbing trees. Its diet consists mainly of bamboo, but it also eats fruits, eggs, and small animals. Its sharp claws and teeth help it to break open bamboo stalks and to defend itself against predators.
Explanation:
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Answer:
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