20.2-

Question 1

Community=

Answer 1

interacting populations within a given area

Question 2

intraspecific competition=

Answer 2

competition between members of a single species for resources
eg bears for salmon

Question 3

intraspecific competition is ____ dependant

Answer 3

density

Question 4

intraspecific competition is important for

Answer 4

natural selection

Question 5

Interspecific competition=

Answer 5

competition between members of different species for resources
eg. owl vs lynx for rabbits

Question 6

competitive exclusion principle=

Answer 6

no two organisms can occupy the exact same niche in a community

Question 7

defense systems against consumers=

Answer 7

poor taste, physical protection, protective colouration

Question 8

batorian mimicry=

Answer 8

harmless animals evolve to look harmful

Question 9

mullarian mimicry=

Answer 9

2 harmful animals evolve to look like eachother

Question 10

3 types of symbiotic relationships

Answer 10

mutualism, commensalism, parasitism

Question 11

succession=

Answer 11

change in an ecosystem overtime

Question 12

primary succession begins…

Answer 12

where no soil is present to begin with

Question 13

secondary succession begins…

Answer 13

where soil is present, but the old community has been destroyed by an ecological disturbance

Question 14

disturbances help___

Answer 14

new plants and animals to develope

Question 15

secondary succession is faster then primary succsession because…

Answer 15

soil and nutrients are already there