3.1 Study Guide

Question 1

What is the difference between facultative and obligatory

Answer 1

Obligatory benefits are needed while facultative benefits are good but not necessary

Question 2

What is commensalism?

Answer 2

When one species benefits and the other is not affected at all

Question 3

What is competition?

Answer 3

When two species are competing for the same resource and are both negatively affected

Question 4

What’s the difference between a realized niche and a fundamental niche?

Answer 4

A realized niche is the resources that a species is currently using while a fundamental niche is the resources that it has the potential to use

Question 5

What happens when two species are overlapping a lot?

Answer 5

One will likely dominate over the other and take up that space or resource