Unit one test 1.1

Question 1

population

Answer 1

group of organisms

Question 1

individual

Answer 1

one organism

Question 2

community

Answer 2

all living organisms in an area

Question 3

ecosystem

Answer 3

all living and nonliving things in an area

Question 4

biome

Answer 4

large area with similar climate conditions that determine plant and animal species there

Question 5

Competition

Answer 5

Organisms fighting over a resource like food or shelter. (limits the population size) (-,-)

Question 6

Predation

Answer 6

One organism using another for energy source. (-,+)

Question 7

Mutualism

Answer 7

Relationship between two organisms that benefits both of them (+,+)

Question 8

Example of mutualism

Answer 8

sea anemone and a clown fish

Question 9

commensalism

Answer 9

Relationship between two organisms that benefits one and does not affect the other

Question 10

Example of commensalism

Answer 10

barnacles on whales

Question 11

What are the types of predation

Answer 11

Herbivores, parasites, parasitoids, and true predators.

Question 12

Herbivores

Answer 12

eat plants for energy

Question 13

true predators

Answer 13

hunt and kill prey for energy

Question 14

parasites

Answer 14

live inside a host organism and use it for energy.

Question 15

parasitoid

Answer 15

lay eggs inside a host organism. When the eggs hatch they eat the host for energy.

Question 16

symbiosis

Answer 16

any close long term interaction between two organisms of a different species

Question 17

Second example of mutualism

Answer 17

Coral provides a reef structure and CO2 for algae; algae provides sugar for coral to use as energy

Question 18

resource partitioning

Answer 18

different species using the same resource in different ways to reduce competition

Question 19

temporal partitioning

Answer 19

using resource at different times of the day

Question 20

spatial partitioning

Answer 20

using different areas of a shared habitat

Question 21

morphological partitioning

Answer 21

using different resources based on different evolved body features