Chapter 4 : Ecosystems

Question 1

an area where organisms interact with one another, as well as with the nonliving parts of the environment

Answer 1

ecosystem

Question 2

a group of organisms of the same species living together in an ecosystem

Answer 2

population

Question 3

all of the populations living in an ecosystem

Answer 3

community

Question 4

the part of the ecosystem in which an organism lives

Answer 4

habitat

Question 5

the role of an organism in an ecosystem

Answer 5

niche

Question 6

the variety of species in an ecosystem

Answer 6

diversity

Question 7

an organism that makes it own food

Answer 7

producer

Question 8

an organism that eats other organisms

Answer 8

consumer

Question 9

a sequence of connected producers and consumers

Answer 9

food chain

Question 10

a group of connected food chains in an ecosstem

Answer 10

food web

Question 11

a pyramid that shows that energy is lost at each level of the food chain

Answer 11

energy pyramid

Question 12

the struggle among organisms for limited resources in an area

Answer 12

competition

Question 13

a close relationship between organism of different species which one or both organisms benefit

Answer 13

symbiosis

Question 14

an organism that live in or on another organism

Answer 14

parasite

Question 15

the organism a parasite lives in or on

Answer 15

host

Question 16

a region of the world defined by its climate and types of plants & animals that live there

Answer 16

biome

Question 17

a forest biome that is farthest north and very cold

Answer 17

taiga

Question 18

a harsh environment just south of the ice fields of the Arctic

Answer 18

tundra

Question 19

a type of biome that has a dry and extreme climate

Answer 19

desert

Question 20

areas with enough rainfall and warmth for trees to grow, and the trees are the main vegetation in each

Answer 20

forest

Question 21

biome in which the main plants are grasses

Answer 21

grassland