Interactions of Living Things

Question 1

the study of the interactions between organisms and their environment

Answer 1

ecology

Question 2

the living factors in an environment

Answer 2

biotic

Question 3

the nonliving factors in an environment

Answer 3

abiotic

Question 4

a group of individuals of the same species that live together in the same area at the same time

Answer 4

population

Question 5

all of the populations of different species that live and interact in an area

Answer 5

communities

Question 6

made up of a community of organisms and its abiotic environment

Answer 6

ecosystem

Question 7

the part of Earth where life exists

Answer 7

biosphere

Question 8

an organism that uses sunlight directly to make its own food

Answer 8

producer

Question 9

organisms that eat other organisms

Answer 9

consumers

Question 10

organisms that only eat plants

Answer 10

herbivore

Question 11

organisms that only eat animals

Answer 11

carnivore

Question 12

organisms that eat both plant and animals

Answer 12

omnivore

Question 13

organisms that get energy by breaking down the remains of dead organisms

Answer 13

decomposers

Question 14

animals that feed on the bodies of dead animals

Answer 14

scavenger

Question 15

represents how energy in food molecules flow from one organism to another (energy flow in one direction)

Answer 15

food chain

Question 16

many energy pathways in an ecosystem (shows energy flow in many directions)

Answer 16

food web

Question 17

a diagram shaped like a triangle that shows the loss of energy at each level of the food chain.

Answer 17

energy pyramid

Question 18

an environment where an organism lives

Answer 18

habitat

Question 19

an organisms role or way of life in its ecosystem

Answer 19

niche