Question

The oxygen that is produced by photosynthesis is used by? A) only by animals B ) only by plants C) neither plants or animals D)by both plants and animals

Answer 1

D. Both plants and animals.

Explanation:

The basic cellular functions are the same in plants and animals. Both plants and animals need energy to function. This necessary energy comes from the oxidation of fuel sources such as sucrose, and glucose. Without oxygen most organisms can not survive.

A. Animals do use Oxygen in cellular respiration but so do Plants.
Animals unlike plants do not produce Oxygen animals only use
oxygen.

B. Plants also use Oxygen in cellular respiration.

C. There are some organisms that do not use Oxygen, but most
plants and animals do use oxygen.

D. Is the correct answer both plants and animals need and use Oxygen in cellular respiration.

Answer 2

`D)`

Explanation:

In photosynthesis, carbon dioxide and water are converted to glucose and oxygen gas. The oxygen gas is used by animals for aerobic respiration.

However, plants also undergo aerobic respiration to get energy from `ATP`, and therefore also need the oxygen.

So, option `D)` is correct.