What might happen to the food web below if the number of phytoplankton drastically decreased? The small fish and wading birds would be affected. Only the small fish would be affected. The small fish, bivalves, and invertebrates would be affected. The entire food web would be affected.
Answers
The correct answer is D) the entire food web would be affected.
Phytoplankton are the smallest organisms of a food web. They are autotrophic that is capable of preparing their own food and so they are called producers.
Food web in an ecosystem
In a food web,
- The primary consumers feed on the producers and are mainly dependent on it.
- The primary consumers are consumed by secondary consumers and
- The secondary consumers are consumed by the tertiary consumers.
Changes in the food web when the phytoplankton is drastically decreased
So when the phytoplankton drastically decreases,
- food for primary consumers will drastically decrease and they will die.
- So the food for secondary consumers will also decrease and many will die and
- Finally, the tertiary consumer feeding on the secondary consumers will also be affected.
So the entire food web will be affected.
Answer:
answer is D.
Explanation:
Only it is because it is at the bottom of the food chain and if that decrease then every thing above it will decrease because lack of food