chapter 3 vocab

Question 1

contains the combined portions of the planet in which all of life exits, including land, water, and air or atmosphere.

Answer 1

biosphere

Question 2

a group of organisms so similar to one another that they can breed and produce offspring

Answer 2

species

Question 3

groups of individuals that belong to the same species and live in the same area

Answer 3

populations

Question 4

assemblages of different populations that live together in a defined area

Answer 4

communities

Question 5

a collection of all the organisms that live in a particular place, with their non living or physical environment

Answer 5

ecosystem

Question 6

a group of ecosystems that have the same climate and similar dominant communities

Answer 6

biome

Question 7

make their own food

Answer 7

autotroph

Question 8

plants make their own food by using the sun’s energy

Answer 8

photosynthesis

Question 9

process where some organisms such as certain bacteria, use chemical energy to produce carbohydrates

Answer 9

chemosynthesis

Question 10

organism that relies on other organisms for its energy and food supply- also called heterotrophs

Answer 10

consumer

Question 11

organism that obtains energy by eating animals

Answer 11

carnivore

Question 12

organism that feeds on plant and animal remains and other dead matter

Answer 12

detritivore

Question 13

series of steps in which organisms transfer energy by eating and being eaten

Answer 13

food chain

Question 14

links all the food chains together

Answer 14

food web

Question 15

diagram that shows the relative amounts of energy or matter contained in each trifocal level

Answer 15

ecological pyramid

Question 16

organism that breaks down and obtains energy from dead matter

Answer 16

decomposer

Question 17

group of ecosystems that have the same climate and dominant communities

Answer 17

biome

Question 18

only eat plants

Answer 18

herbivore

Question 19

organism that eats both plants and animals

Answer 19

omnivore

Question 20

organism that can capture energy from sunlight or chemicals and use it to produce food from inorganic compounds - autographs

Answer 20

producers

Question 21

step in a food chain or food web

Answer 21

trophic level

Question 22

organism that obtains energy from the foods is consumes - consumer

Answer 22

heterotroph

Question 23

the process by which water changes from liquid to a gas

Answer 23

evaporation

Question 24

the loss of water from a plant through is leaves

Answer 24

transpiration

Question 25

anything an organism needs to live

Answer 25

nutrients

Question 26

process of converting nitrogen gas into ammonia.

Answer 26

nitrogen fixation

Question 27

conversion of nitrogen gas

Answer 27

denitrification

Question 28

the rate at which organic matter is created by producers in

Answer 28

primary productivity

Question 29

immediate increase in the amount of algae and other producers that result from a large from a large input of limiting nutrient.

Answer 29

algal bloom

Question 30

the study of the way organisms interact

Answer 30

ecology

Question 31

total amount of living tissum in a trofical level

Answer 31

biomass

Question 32

a single nutrient that either is scarce or cycles very slowly, limiting the growth as organisms and ecosystem

Answer 32

limiting nutrient

Question 33

about the cycles

Answer 33

essay