chapter 3 study guide

Question 1

what is the defnition of niche?

Answer 1

biotic and abiotic resources, where and when they use them

Question 2

fundametal

Answer 2

potential space/resources

Question 3

realized

Answer 3

what is actually used

Question 4

divide resources by

Answer 4

time, location, type of food

Question 5

types of interspecific relations

Answer 5

competition, mutalism, commensalism, predation, hebivoru, and parastism

Question 6

symbiosis

Answer 6

share close physical connection

Question 7

nonsymbiosis

Answer 7

interactions of organisms that live apart

Question 8

definition of ecosystem

Answer 8

all the organisms in a specific area and all the abiotic factors

Question 9

does sunlight and energy leave or come?

Answer 9

come

Question 10

does heat and sound leave or come?

Answer 10

leave

Question 11

what is a producer?

Answer 11

an organism that gets it energy from the sun

Question 12

what is the rule of 10?

Answer 12

10% of energy is lost every trophic level

Question 13

what is a food web?

Answer 13

food chains linked together

Question 14

producers are?

Answer 14

autotrophs

Question 15

what is ecological succession?

Answer 15

sequence of community changes

Question 16

two different types of ecological succession

Answer 16

primary and secondary

Question 17

primary begins with what?

Answer 17

barron rock - lifeless area

Question 18

secondary begins with what?

Answer 18

climax community

Question 19

pioneer species are?

Answer 19

the first plants to come to an area- usually r-selected

Question 20

species richness is?

Answer 20

of species

Question 21

species evenness is?

Answer 21

proportion of the species

Question 22

genetic diveristy is?

Answer 22

related to size of population - low genetic diversity = more vulnerability to diseases

Question 23

keystone species have?

Answer 23

the most influential role on an ecosystem

Question 24

invasive species

Answer 24

nonnative and reduce diversity

Question 25

primary succession examples

Answer 25

glaciers melting and volcanic eruption

Question 26

photosynthesis

Answer 26

process used by many cellular organisms to convert light energy into chemical energy

Question 27

cellular respriation

Answer 27

releases carbon dioxide into the atmosphere

Question 28

nitrogen fixation

Answer 28

gas is converted into a usable form for plants

Question 29

denitrification

Answer 29

the process that the nitrogen compound is released back into the atmosphere by converting nitrate into gaseous nitrogen

Question 30

process in carbon cycle

Answer 30

combustion

Question 31

process in nitrogen cycle

Answer 31

nitrogen fixation

Question 32

is there phosphorous in the atomsphere?

Answer 32

no

Question 33

differnences in the cycles

Answer 33

nitrogen doesn't have cellular respiration