DAY 8

Question 1

Predation

Answer 1

one population captures and feeds on another population

Question 2

Competition

Answer 2

two populations that struggle against each other for the same resources in an ecosystem

Question 3

Parasitism

Answer 3

one population benefits from another population, often while harming it

Question 4

Mutualism

Answer 4

two populations that benefit from one another and often depend on each other for survival

Question 5

Ecosystem

Answer 5

all the biotic and abiotic things, conditions, and interactions in a defined area

Question 6

Primary Ecological Succession

Answer 6

building process that occurs when there is no preceding organisms, such as in the retreat of a glacier

Question 7

Secondary Ecological Succession

Answer 7

rebuilding process that occurs after a disruption to an ecosystem, such as a forest fire

Question 8

Pioneer Organisms

Answer 8

organisms that are the first to rebuild in a ecological succession, such as lichens

Question 9

Diversity

Answer 9

the number and variety of species and populations in an ecosystem

Question 10

Population

Answer 10

the number of organisms of the same species that live in a defined area and make up the breeding group

Question 11

Commensalism

Answer 11

one population benefits from another population without effecting it