Question

A scientist conducts an experiment to measure the amount of oxygen produced by a plant under different light conditions. She records the following observations:


Bright light: The plant produces a high amount of oxygen.


Dim light: The plant produces a lower amount of oxygen.


No light: The plant stops producing oxygen.


Based on this data, which conclusion best explains the relationship between photosynthesis and cellular respiration?
(5 Points)


Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.

Cellular respiration occurs only when light is present because it depends on photosynthesis.

Photosynthesis and cellular respiration are the same process and occur at the same time.

Plants do not perform cellular respiration because they only make energy through photosynthesis.

Answer 1

The best conclusion based on the observations made by the scientist is:

**Photosynthesis requires light to produce oxygen, which is then used by organisms for cellular respiration.**

This conclusion correctly describes the relationship between photosynthesis and cellular respiration. Photosynthesis occurs in the presence of light, allowing the plant to produce oxygen, which is essential for cellular respiration in both plants and other organisms.