Ch 23 Questions

Front

True or False: Invasive species increase diversity

Back

False

Front

What biome is characterized by mostly grass with a few scattered trees and seasonal rainfall?

Back

Savanna

Front

What is the term for the accumulation of a chemical within an organism as their intake increases?

Back

Bioaccumulation

Front

An insect eating insects that helps control the insect population is an example of a(n) __________.

Back

Niche

Front

In a food web, which trophic level does a secondary consumer belong to?

Back

Second

Front

What is the definition of biomagnification?

Back

The process where the concentration of toxins increases in organisms at each successive trophic level.

Front

Define ecosystem.

Back

A community of living organisms interacting with their physical environment.

Front

What is a habitat?

Back

The natural environment in which a species lives.

Front

What is the difference between a community and an ecosystem?

Back

A community is a group of interacting species, while an ecosystem includes both the community and the physical environment.

Front

What role do producers play in an ecosystem?

Back

They convert solar energy into chemical energy through photosynthesis.