Question 1

What is ecology?

Accepted Answer

the study of interactions between organisms and their environment

Answer

a group of organisms of the same species

Answer

all of the biotic factors in one area

Answer

all of the biotic and abiotic factors in one area

Question 2

What is a living thing in an ecosystem called?

Accepted Answer

biotic

Answer

abiotic

Question 3

What is a nonliving thing in an ecosystem that is essential to the survival of living things called?

Accepted Answer

abiotic

Answer

biotic

Question 4

What is a population?

Accepted Answer

a group of organisms of the same species

Answer

all of the biotic factors in one area

Answer

all of the biotic and abiotic factors in one area

Question 5

What is a community?

Accepted Answer

all of the biotic factors in one area

Answer

all of the biotic and abiotic factors in one area

Answer

a group of organisms of the same species

Question 6

What is an ecosystem?

Accepted Answer

all of the biotic and abiotic factors in one area

Answer

a group of organisms of the same species

Answer

all of the biotic factors in one area

Question 7

What is an organism that obtains energy directly from the Sun in order to produce food called?

Accepted Answer

producer

Answer

consumer

Question 8

What is an organism that obtains energy by eating other organisms called?

Accepted Answer

consumer

Answer

producer

Question 9

What is a trophic level?

Accepted Answer

the position occupied by an organism in a food web

Question 10

What is the process of converting nitrogen gas into usable nitrogen called?

Accepted Answer

nitrogen fixation

Answer

denitrification

Question 11

What is the process of converting nitrates into nitrogen gas called?

Accepted Answer

denitrification

Answer

nitrogen fixation

Question 12

What is immigration?

Accepted Answer

the movement of individuals into an area

Answer

the movement of individuals out of an area

Question 13

What is emigration?

Accepted Answer

the movement of individuals out of an area

Answer

the movement of individuals into an area

Question 14

What is the maximum number of organisms of one species that an ecosystem can support called?

Accepted Answer

carrying capacity

Answer

limiting factor

Question 15

What is a limiting factor?

Accepted Answer

a biotic or abiotic factor that limits the survival and reproduction of organisms

Answer

the maximum number of organisms of one species that an ecosystem can support

Question 16

What is a close living relationship between organisms of different species called?

Accepted Answer

symbiosis

Answer

succession

Answer

population

Question 17

What is succession?

Accepted Answer

the process of building a new ecosystem or replacing an existing ecosystem

Answer

a close living relationship between organisms of different species

Question 18

Which is a relationship between two species in which both species benefit?

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

predation

Question 19

Which is a relationship between two species in which one organism benefits and the other is unaffected?

Accepted Answer

commensalism

Answer

mutualism

Answer

predation

Answer

parasitism

Question 20

Which is a relationship between two species in which one organism benefits and the other is harmed?

Accepted Answer

parasitism

Answer

commensalism

Answer

mutualism

Answer

predation

Question 21

Which is a relationship between two species in which one organism kills and eats the other?

Accepted Answer

predation

Answer

commensalism

Answer

mutualism

Answer

parasitism

Question 22

Which is a biotic factor?

Accepted Answer

bacterium

Answer

water

Answer

sunlight

Answer

carbon dioxide

Question 23

Which is an abiotic factor?

Accepted Answer

sunlight

Answer

plant

Answer

fungus

Answer

animal

Question 24

Which is a producer?

Accepted Answer

grass

Answer

human

Answer

animal

Answer

fungus

Question 25

Which is a consumer?

Accepted Answer

fungus

Answer

grass

Answer

plant

Answer

tree

Question 26

Which is an example of a trophic level?

Accepted Answer

secondary consumers

Answer

community

Answer

population

Answer

ecosystem

Question 27

Which is an example of mutualism?

Accepted Answer

clownfish and anemone

Answer

spider and insect

Answer

mosquito and human

Answer

shark and remora

Question 28

Which is an example of commensalism?

Accepted Answer

cattle and egret

Answer

mistletoe and tree

Answer

snake and mouse

Answer

cleaner shrimp and grouper

Question 29

Which is an example of parasitism?

Accepted Answer

mistletoe and tree

Answer

shark and remora

Answer

ant and aphid

Answer

spider and insect

Question 30

Which is an example of predation?

Accepted Answer

snake and mouse

Answer

mosquito and human

Answer

cattle and egret

Answer

clownfish and anemone

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