Ch. 15-16

Question 1

the organisms in a food pyramid make their own food go by these two names

Answer 1

producers and autotrophs

Question 2

trees algae and grass are all on what level of the pyramid

Answer 2

1st level

Question 3

how many levels on a trophic pyramid

Answer 3

4

Question 4

consumes go by this name

Answer 4

heterotrophs

Question 5

organisms that consume dead organic matter and poop soild

Answer 5

detritivores

Question 6

almost all energy for any food web begins with the

Answer 6

sun

Question 7

this process returns water to the ecosystem

Answer 7

precipitation

Question 8

this is the only process that returns oxygen from the air and removes carbon

Answer 8

photosynthesis

Question 9

condensation is

Answer 9

gas to liquid

Question 10

this graph has a sharp increase bc of no limiting factors

Answer 10

exponential

Question 11

in this ocean zone no light can penetrate

Answer 11

aphotic

Question 12

interactions between two organisms where they both benefit

Answer 12

mutualism

Question 13

one benefits and one is unaffected

Answer 13

commensalism

Question 14

this succssion would occur after a volcanic eruption

Answer 14

primary

Question 15

in secondary sucesion recovery happens faster bc the

Answer 15

soil remains

Question 16

this occurs when an area is split into small habitat pieces by development

Answer 16

fragmentation

Question 17

organisms brought by human two areas they don’t belong

Answer 17

invasive species

Question 18

each step in the food chain is called

Answer 18

trophic level

Question 19

shows a single flow of energy

Answer 19

food chain

Question 20

water vapor leaves a plant

Answer 20

transpirations

Question 21

energy is lot as you move up the pyramid due to q

Answer 21

heat

Question 22

how much energy does the consumer keep from eating

Answer 22

10%

Question 23

maximum number of individuals an area can support

Answer 23

carrying capacity

Question 24

non living factors on an environment

Answer 24

abiotic

Question 25

where organisms live on the ocean floor

Answer 25

benthic zone

Question 26

3 density dependent factors

Answer 26

1. natural disasters
2. seasonal cycles
3. human impacts

Question 27

3 main characteristics of population

Answer 27

1. geographic distribution
2. density
3. growth rate

Question 28

6 factors that affect aquatic organisms

Answer 28

1. temp
2. salinity
3. light
4. chemistry
5. pressure
6. depth
7. geography

Question 29

the carrying capacity is maintained by

Answer 29

limiting factors

Question 30

how many individuals can be found per unit area

Answer 30

population density

Question 31

on benefits and one is killed

Answer 31

predation

Question 32

the amount of tissue in a given trophic level

Answer 32

biomass