Question

what is the role a species can assume in an ecosystem? this encompasses all the ways in which a species interacts with the ecosystem, such as what it eats.
a habitat

b niche

c fitness

d adaptation

Explanation:

• Option a: Habitat is the place where a species lives, not its role in interactions, so a is incorrect.
• Option b: Niche refers to the role a species plays in an ecosystem, including its interactions like what it eats, which matches the description.
• Option c: Fitness relates to a species' ability to survive and reproduce, not its ecosystem role, so c is incorrect.
• Option d: Adaptation is a trait that helps a species survive, not the role itself, so d is incorrect.

Answer:

b. niche