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pogonyaev
3 years ago
8

Which is a problem associated with a declining population size?

Biology
1 answer:
egoroff_w [7]3 years ago
4 0
I would say that it is A
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What primarily happens during the light-dependent reactions of photosynthesis? What 2 reactions does solar energy drive during t
andrey2020 [161]

Answer:

During light reaction of Photosynthesis ATP and NADPH are formed.

Explanation:

Reactions driven by solar energy

      H2O=H+  +   OH-

       4OH-   - 4e-  =4OH

        4OH=2H2O+O2

Second reaction

NADH+e- +H+=NADPH

Carbon dioxide fixation occurs during Calvin cycle.Carbon dioxide is being fixed into glucose molecule.

The name of the enzyme is Ribulosebisphosphate Carboxylase(RUBISCO)

The normal substrate for this enzyme is Ribulose bisphosphate(RUBP)

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3 years ago
Examine this food web for a particaulr terrestrial ecosystem. which species is most likely a decomposer on this food web?
Goryan [66]
The worm bc they are decomposers

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3 years ago
How come people feel pain?
Morgarella [4.7K]

Answer:

Hope this helps!

Explanation:

"When your body is injured in some way or something else is wrong, your nerves (cells that help your body send and receive information) send millions of messages to your brain about what's going on. Your brain then makes you feel pain." -Why Do I Have Pain? (for Kids) - Nemours KidsHealth

I didn't write that, but I gave credit to whoever did.

5 0
2 years ago
Cell-to-cell communication is absolutely essential for multicellular organisms. But how do plants communicate when their cells a
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Ans.

Cell-to-cell communication allows signalling of essential substances between the plant cells, which are surrounded by cell walls. The molecules used by plants for long-distance signalling are known as hormones, such as auxin, ethylene, and gibberelin.

These hormones are secreted by one plant cell and received by another plant cell, where it exerts it affect. Thus, the correct answer to be fill in the blank is 'option A). hormones.'

3 0
2 years ago
Which of the following structures serves as the cell’s boundary from its environment?
Vikentia [17]

Answer:

Either the cell wall or the cell membrane

Explanation:

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3 years ago
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