Unit 2 - Ecosystems, Cycles, and Biomes

Question 1

Individual

Answer 1

a specific member of a species

Question 2

population

Answer 2

the total number of a specific species living in the same area at the same time

Question 3

community

Answer 3

all of the populations of a different species living in the same area at the same time

Question 4

ecosystem

Answer 4

the interactions between the living and non living in a specific area

Question 5

biome

Answer 5

a region categorized by average temp, and annual precipitation

Question 6

biosphere

Answer 6

is a worldwide sum of all ecosystems

Question 7

producers

Answer 7

they are organisms that are able to make their own food through chemosynthesis or photosynthesis

Question 8

chemosynthesis

Answer 8

organisms (mostly bacteria) that use hydrogen sulfide and methane from the ocean floor vents to make glucose from water and carbon dioxide

Question 9

photosynthesis

Answer 9

the process by which producers use solar energy to convert carbon dioxide and water into glucose and o2

Question 10

ecosystem

Answer 10

a community of living organisms (plants, animals and microbes) in a particular area

Question 11

producers

Answer 11

organisms that are able to make their own food (autotrophs) because they have chlorophyll

Question 12

consumers

Answer 12

other organisms that eat producers to gain the stored chemical energy through consumption and cellular respiration

Question 13

respiration

Answer 13

the process that unlocks the chemical energy stored in cells of plants and organisms that are being consumed

Question 14

nutrient cycle

Answer 14

a system where energy and matter are transferred between living organisms and non-living parts of the environment

Question 15

food chain

Answer 15

a series of organisms that eat one another so that energy and nutrients flow from one to the next

Question 16

carbon cycle

Answer 16

the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere

Question 17

food web

Answer 17

consists of all the food chains in a single ecosystem

Question 18

primary producer

Answer 18

organisms, such as plants and phytoplankton, that can produce their own food through photosynthesis or chemosynthesis

Question 19

nitrogen cycle

Answer 19

a repeating cycle of processes during which nitrogen moves through both living and non-living things

Question 20

Sink (in a nutrient cycle)

Answer 20

a storage place for nutrients

Question 21

primary consumer