2.7

Question 1

An event that has drastic impacts on environmental conditions, resulting in changes to the composition, structure, or function of a community

Answer 1

Disturbance

Question 2

The process by which a mix of species and habitat change over time

Answer 2

Succession

Question 3

Species that arrives earliest following an ecological disturbance. Beginning in terrestrial or aquatic community.

Answer 3

Pioneer Speices

Question 4

A stereotypical series of changes as ecological community develops over time, beginning lifeless substrate. It starts when a bare rock, sand, or sediment becomes nearly exposed to the atmosphere and pioneer species arrives.

Answer 4

Primary Succession

Question 5

Series of change as an ecological community develops over time, beginning when some disturbance disrupts or dramatically alters an existing community.

Answer 5

Secondary Succession