test

Question 1

what is a niche

Answer 1

physical and biological conditions a species live sin

Question 2

tolerance

Answer 2

range of enviormental conditions

Question 3

what happens beyond a tolerance

Answer 3

organisms cant survive

Question 4

what is competition and how does it affect a community

Answer 4

organisms attempting to compete for the same resoucres, this causes them to have to dive the resources

Question 5

competitve exclusive principle

Answer 5

no two species can occupy the same niche

Question 6

keystone species

Answer 6

species that has an unusual large effect on ecosystem

Question 7

symbolic relationships

Answer 7

2 species closely living together

Question 8

mutalsim

Answer 8

both organisms benefit

Question 9

parasitism

Answer 9

one benefits, one is harmed

Question 10

commensalism

Answer 10

one benefiots, one doesnt change

Question 11

ecological succession

Answer 11

predictable chnages that occur to a community

Question 12

primary succession

Answer 12

succession that begins in an area with no previous ecosystems

Question 13

pioneer species

Answer 13

first species to colonize an area

Question 14

what does primary succession begin with

Answer 14

bare rock

Question 15

describe secondary secession

Answer 15

communities arent completley destroyed, it proceed faster bc the soil survives

Question 16

resilience

Answer 16

the ability to recover after a disturbance

Question 17

ecological footprint

Answer 17

the total area of land and water needed

Question 18

biomagnification

Answer 18

pollutant isnt eliminated and moves up a food chainq

Question 19

biodiversity

Answer 19

genetic based variation in all organisms

Question 20

5 things that threaten biodiversity

Answer 20

altered habitats, hunting,invasive species, pollution, and climate change

Question 21

what 4 factors affect climate

Answer 21

solar energy, latitude, distance from the sea, altitude

Question 22

3 climate zones

Answer 22

polar, temporate, tropical

Question 23

photic zone

Answer 23

above water that obtains sunlight

Question 24

aphotic zone

Answer 24

below water (no sunlight)

Question 25

wetland

Answer 25

water covers soil for most of the year

Question 26

estuary

Answer 26

mix of fresh and salt water

Question 27

intertidal zone

Answer 27

high tide/ low tide

Question 28

coastal ocean

Answer 28

starts at the shore

Question 29

open ocean

Answer 29

outside of coastal ocean