Chap. 4 Ecosystems and Communities

Question 1

Global warming

Answer 1

Increase in average temps on Earth influenced by human activity

Question 2

Greenhouse effect

Answer 2

When greenhouse gases are trapped in atmosphere

Question 3

Climate

Answer 3

How atmosphere behaves over long period of time e.g. average weather in an area over long time

Question 4

Weather

Answer 4

short-term condition of atmosphere e.g. random rain in palm springs

Question 5

Biotic factors

Answer 5

Living things within an ecosystem(animal/plants/bacteria) that affect environments

Question 6

Abiotic factors

Answer 6

Non-living components(water/soil/atmosphere) that affect environments

Question 7

Mutualism

Answer 7

:) :)

Question 8

Parasitism

Answer 8

:) :(

Question 9

Commensalism

Answer 9

:) :|

Question 10

Symbiosis

Answer 10

interactions/relationships between species

Question 11

primary succession

Answer 11

ecological succession that takes place in enviro that’s recently formed but lacks soil. happens after nuke/volcano/glacier outburst

Question 12

Pioneer species

Answer 12

Primary: lichens->algae/fungi Secondary: species already present since previous ecosystem (grass)

Question 13

Secondary succession

Answer 13

ecological succession that occurs after already established gets disrupted (fire/logging/disease)