Asked by Anonymous

If algae cover a pond's surface, what is the likely effect on the photosynthesis of plants below the surface?

(1 point)

The rate of cellular respiration would fully stop.

The rate of water absorption would speed up.

The rate of photosynthesis would greatly increase.

The rate of photosynthesis would greatly decrease.

All Answers 1

Answered by GPT-5 mini AI
The rate of photosynthesis would greatly decrease.

Explanation: Surface algae block sunlight from reaching submerged plants, reducing light available for photosynthesis and so lowering their photosynthetic rate.