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3 years ago

How is the environment organized?

Biology

2 answers:

trasher [3.6K]3 years ago

8 0

The levels of an environment to be organized are populations,species,community,and the ecosystem

prisoha [69]3 years ago

7 0

Well,
Organism,
Environment,

Both rely on EACH OTHER. Organism, such as animals, humans, etc.

And environment, such as trees, wildlife (not organismic)

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The electron transport chain is composed primarily of what biomolecule?

lys-0071 [83]

The correct answer is proteins.

The oxidative phosphorylation in the eukaryotes takes place within the mitochondria with the help of electron transport chain. The main objective of the electron transport chain is to accumulate enough amount of protons in the intermembrane space so that there will be a concentration gradient which would help in the production of ATP.

The electron transport chain comprises of various molecules, but majorly the proteins, which are situated in the inner membrane of the mitochondria.

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2 years ago

Which of the following best describes how plants obtain the materials necessary to perform photosynthesis?

Lerok [7]

Answer:The raw materials required for the process of photosynthesis are carbon dioxide, water and solar energy.

The carbon dioxide present in the atmosphere diffuses into the leaf through stomata.

Water is obtained from the plant roots.

Solar energy is obtained from the sun which gets trapped by the chlorophyll pigment present in the leaves.

Explanation:

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3 years ago

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The somatic nervous system carries motor commands to the __________.

oksian1 [2.3K]

Axon: the messenger cell that carries the command to contract muscles.

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3 years ago

Tamra is the goalie for her soccer team. The goalie blocks the ball from going into the net. She uses her brain, eyes, nerves, a

hammer [34]

Answer:

Her eyes send signals to the brain. Her brain gets the signal and sends another one through her nerves to her muscles. Her muscles then move her arm or leg toward the ball to try and block it.

Explanation:

Simple science. If I could help you, you are welcome. if I couldn't I'm sorry.

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2 years ago

Peripheral resistance depends on all of the following factors except __________.

pantera1 [17]

Options for the question have not been given. They are as follows:

blood vessel length

blood viscosity

blood vessel diameter

blood colloid osmotic pressure

Answer:

blood colloid osmotic pressure

Explanation:

Peripheral resistance is the resistance to blood flow by blood vessels.
It is directly proportional to blood vessel length as more the distance to travel, more will be the resistance.
It is also directly proportional to blood viscosity as more energy is required to push viscous material.
It is indirectly proportional to blood vessel diameter. More the diameter of the vessel, easier it is for the blood to pass.
However, it does not depend on blood colloid osmotic pressure. Colloid osmotic pressure is created by the protein components of blood and they do not have any direct impact on blood flow.

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3 years ago