Chapter 4 Test

Question 1

Tolerance -

Answer 1

The ability to survive and reproduce under a range of of environmental circumstances

Question 2

What is a Niche?

Answer 2

The conditions in which a species lives, and the way it obtains what it needs to survive

Question 3

Keystone Species -

Answer 3

A keystone species is an organism that helps define an entire ecosystem. Keeps other animals in the food chain in check.

Question 4

Pioneer Species -

Answer 4

The first species to populate an area during succession

Question 5

Series of gradual changes that occur in a community following a disturbance

Answer 5

Ecological succession

Question 6

Competition -

Answer 6

Competition occurs when you have more than one organism attempting to use the same resources in the same place at the same time

Question 7

What is the difference between Interspecific competition and intra specific competition?

Answer 7

Interspecific - When members of DIFFERENT species compete for the same resources

Intraspecific - when members of the SAME species compete for the same resources

Question 8

Symbiosis

Answer 8

Any relationship where two species live closely together is called symbiosis

Question 9

3 types of symbiosis

Answer 9

1. Mutualism. 2. Parasitism. 3. Commensalism

Question 10

Habitat

Answer 10

The General Place an organism lives

Question 11

Climax Communities

Answer 11

Final, fully. Developed community

Question 12

Pioneer species. - Lichen, basically fungus, can add organic material to rock and form soil,, for plants to go

Answer 12

The first species to colonize barren areas

Question 13

The Greenhouse Effect

Answer 13

The process in which 3 main gasses trap sunlight energy in earths atmosphere as heat
(Carbon dioxide, methane, water vapor)