Ecology

Question 1

Nitrogen fixation is the process in the nitrogen cycle that...

Accepted Answer

Bacteria in the roots of plants turn N2 gas into usable form

Question 2

Which of the following is an example of COMMENSALISM?

Accepted Answer

A vulture eats the remains of food after a lion

Question 3

The living factors in an ecosystem

Accepted Answer

Biotic

Question 4

Which of the following would be a good example of a RENEWABLE RESOURCE?

Accepted Answer

Solar Power

Question 5

The physical location that an organism lives

Accepted Answer

Habitat

Question 6

Which choice is not a usual reason for competition in nature?

Accepted Answer

Over anger

Question 7

Which of the following is NOT one of the four ABIOTIC factors in an ecosystem?

Accepted Answer

Plants

Question 8

Which of the following is NOT an effect of HABITAT LOSS?

Accepted Answer

Birds and insects have more places to live

Question 9

What is the smallest grouping of similar organisms called?

Accepted Answer

Species

Question 10

Which of the following could not happen to a LANDFILL?

Accepted Answer

Trash of all types will eventually break down

Question 11

What is the study of organisms and their environment called?

Accepted Answer

Ecology

Question 12

Eutrophication, excess nutrients getting into waters, can cause algal blooms. Why is that bad?

Accepted Answer

Algae can use up all the oxygen and some produce toxins.

Question 13

Which of the following is NOT a good example of COOPERATION?

Accepted Answer

A lion stealing a kill from hyenas

Question 14

A negative result of organisms staying close together.

Accepted Answer

More likely to fight with other animals.

Question 15

Which is NOT one of the three main types of POLLUTION?

Accepted Answer

Physical

Question 16

What is the best answer for a COMMUNITY?

Accepted Answer

Group of populations living in the same place.

Question 17

During exponential growth, population growth ______.

Accepted Answer

continues to increase at a high rate

Question 18

Which of the following is an example of PARASITISM?

Accepted Answer

A tick drinks blood from a dog

Question 19

Which of the following is an example of a density independent factor?

Accepted Answer

Natural Disaster

Question 20

Where does phosphorus NOT cycle?

Accepted Answer

Atmosphere

Question 21

Exponential growth : population explosion :: logistic growth : _____

Accepted Answer

carrying capacity

Question 22

What is the MEASURE of the how tightly packed a population is?

Accepted Answer

Population Density

Question 23

Define a keystone species:

Accepted Answer

Animal who serves a crucial role in the way a ecosystem runs

Question 24

The best tool to show energy passing from ALL organisms in an ecosystem.

Accepted Answer

Food Web

Question 25

Which is the proper order for the FIVE LEVELS that environments are organized into.

Accepted Answer

Biome, Ecosystem, Community, Population, Organism.

Question 26

A group of the same species living in the same area

Accepted Answer

Population

Question 27

What is SYMBIOSIS?

Accepted Answer

A close relationship

Question 28

Which of the following is NOT a reason why our human population is growing so large?

Accepted Answer

Humans produce a lot of trash

Question 29

Which of the following is NOT a good example of PREY?

Accepted Answer

Humans

Question 30

Burning fuel to produce energy, but also CO2 as a waste

Accepted Answer

Combustion

Question 31

Which of the following is NOT a type of renewable energy?

Accepted Answer

Natural Gas

Question 32

Which word cannot be used to describe a PREDATOR?

Accepted Answer

Herbivoire

Question 33

When water vapor is released from liquid water

Accepted Answer

Evaporation

Question 34

Which type of succession is likely to happen faster and why?

Accepted Answer

Secondary because it starts from soil

Question 35

Which of the following events does NOT release pollution into the air?

Accepted Answer

Throwing bottles and cans into landfills

Question 36

Which of the following is an example of MUTUALISM?

Accepted Answer

A bee drinks nectar and brings pollen to another plant

Question 37

When an organism has adapted to fulfill a specific role in an ecosystem.

Accepted Answer

Niche

Question 38

The struggle between individuals or populations for a limited resource.

Accepted Answer

Competition

Ecology

Questions 38

Ecology

Questions 38