3.3 Study Guide

Question 1

True or False: Primary Succession is the first step in ecological succession after an extreme disater.

Answer 1

True.

Question 2

What are Keystone species?

Answer 2

They are speicies that if they were removed it, the ecossytem would chnage a lot.

Question 3

What is species eveness?

Answer 3

Species eveness is the porprotion of species.

Question 4

What is species richeness?

Answer 4

Species of richness is the number of different types of species.

Question 5

How keystone species and invasive species affect biodiversity?

Answer 5

The ecosystem would change entirelly and allow for new species to populate.

Question 6

Give examples of primary and secondary succession

Answer 6

Some examples for primary succession is the formation of a new ecosystem after a volcano, glacier outbursts, or a nuclear explosion. Some examples of secondary succession include succession after fire, harvesting, logging, or abandonment of land or the renewal after a disease outbreak