3.1 and 3.2

Question 1

Nonrenewable resource

Answer 1

a natural resource of which a finite amount exists, or one which

cannot be replaced with currently available technologies

Question 2

Renewable resource

Answer 2

a natural resource that can be replaced

Question 3

Abiotic

Answer 3

all of the nonliving parts of an ecosystem

Question 4

Biotic

Answer 4

all of the living parts of an ecosystem

Question 5

Commensalism

Answer 5

a relationship between two species of a plant,

animal, or fungus in which one lives with, on, or

in the other without damage to either

Question 6

Community

Answer 6

a group of different populations that live

together and interact in an environment

Question 7

Competition

Answer 7

the interaction between organisms or species that use

the same resources in which the health of one is negatively

affected by the presence of the other

Question 8

Ecosystem

Answer 8

An ecosystem is a community of living things (including

plants, animals, and people), the environment that surrounds

them (including soil, water, and air), and how they interact

Question 9

Food Web

Answer 9

a model that shows many different feeding

relationships among living things

Question 10

Mutualism

Answer 10

a relationship between two species of a plant, animal,

or fungus in which one lives off the other and both organisms

benefit

Question 11

Parasitism

Answer 11

a certain type of non-mutual relationship found between

two different species in which one organism known as the

parasite benefits at the expense of the other organism

Question 12

Biome

Answer 12

a major ecological community such as grassland, tropical rain forest, or desert