Quiz about Ecology A

Question 1

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Inorganic nutrients

Question 2

An organism that produces its own food supply from inorganic compounds is called a(an)

Accepted Answer

autotroph

Answer

heterotroph

Answer

consumer

Answer

detritivore

Question 3

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

Accepted Answer

food web

Answer

an ecosystem

Answer

food chain

Answer

a population

Question 4

What is the term for each step in the transfer of energy and matter within a biological community?

Accepted Answer

trophic level

Answer

energy path

Answer

food web

Answer

food pyramid

Question 5

symbiotic relationship in which both organisms benefit

Accepted Answer

Mutualism

Answer

competition

Answer

nitrogen fixation

Answer

energy pyramid

Question 6

What does a food web represent?

Accepted Answer

All connections of energy flow throughout all organisms in a habitat.

Answer

The specific ways that mutualism is carried out.

Answer

A single pathway or energy flow between organisms.

Answer

How carnivores get their food.

Question 7

diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat

Accepted Answer

energy pyramid

Answer

succession

Answer

cellular respiration

Answer

biochemical cycle

Question 8

symbiotic relationship in which one organisms benefits and the other organism is not affected

Accepted Answer

commensalism

Answer

invasive (non-native) species

Answer

mutualism

Answer

nitrogen fixation

Question 9

Study of interactions between organisms and their environment

Accepted Answer

ecology

Answer

niche

Answer

community

Answer

ecosystem

Question 10

Members of a species in a defined area

Accepted Answer

population

Answer

Ecosystem

Answer

community

Answer

biodiversity

Question 11

Where an organism lives

Accepted Answer

habitat

Answer

niche

Answer

heterotrogh

Answer

biosphere

Question 12

Non-living factor that affects an ecosystem

Accepted Answer

abiotic factor

Answer

biotic factor

Answer

food chain

Answer

biome

Question 13

Organisms that breaks down and absorbs nutrients from dead organisms

Accepted Answer

decomposer

Answer

consumer

Answer

trophic level

Answer

species

Question 14

Consumer that eats plants

Accepted Answer

herbivore

Answer

heterotroph

Answer

producer

Answer

community

Question 15

All the organisms in a particular location, including their nonliving environment

Accepted Answer

ecosystem

Answer

carnivore

Answer

niche

Answer

population

Question 16

What may happen if the snowshoe hare was removed from the food web pictured?

Accepted Answer

The shrew population would decrease due to being only hawk food source.

Answer

The insects in the habitat would increase.

Answer

The willow tree population would decrease.

Answer

Foxes would dies due to no food source.

Question 17

Nitrogen fixation processes nitrogen from which of the following sources?

Accepted Answer

atmosphere

Answer

lightning

Answer

fertilizers

Answer

dead plants

Question 18

Nitrogen makes up _____ percent of the atmosphere.

Accepted Answer

78%

Answer

66%

Answer

90%

Question 19

In the food web shown, the snail would be considered...

Accepted Answer

primary consumer

Answer

secondary consumer

Answer

tertiary consumer

Answer

producer

Question 20

The difference between weather and climate is that climate is:

Accepted Answer

The average, year-to-year conditions

Answer

The day-to-day conditions

Answer

Described in terms of months at a time

Answer

B and C are both correct

Question 21

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Neutralism

Question 22

In the wild, some alligators gets their teeth cleaned by birds. The birds gets their food from the alligators' teeth.

What type of symbiosis is this?

Accepted Answer

Mutualism

Answer

Commensalism

Answer

Parasitism

Answer

Neutralism

Question 23

In this photo, what is an abiotic factor?

Accepted Answer

rain

Answer

Deer

Answer

Grass

Question 24

What is this picture describing?

Accepted Answer

It is describing the niche of each bird.

Answer

It is describing natural selection.

Answer

It is describing direct competition between flamingos and ducks.

Answer

It is describing abiotic factors of the tundra.

Question 25

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

Accepted Answer

Community

Answer

Population

Answer

Ecosystem

Answer

Ecosphere

Question 26

Evaporation of water from the leaves of a plant gives of purified water to be evaporated.

Accepted Answer

transpiration

Answer

precipitation

Answer

concentration

Answer

evaporation

Question 27

A farmer plants two species of grass with similar nutrient needs on the same small plot of land.  What kind of interaction will most likely occur between the two species?

Accepted Answer

competition

Answer

parasitism

Answer

commensalism

Answer

mutualism

Question 28

78% of Earth's atmosphere is nitrogen gas. All living things need nitrogen as a part of DNA and RNA. Yet you and I, and other living things, cannot use the nitrogen in our atmosphere directly. One type of organism is responsible for "fixing" nitrogen or helping to put it in a form so other living things can use it. That organism is

Accepted Answer

bacteria.

Answer

fungi.

Answer

plants.

Answer

viruses.

Question 29

In a simple food chain, small fish eat algae; bigger fish eat the smaller fish; bears eat the bigger fish.
Using the above scenario, which of these would have the largest amount of energy?

Accepted Answer

algae

Answer

bears

Answer

big fish

Answer

small fish

Question 30

All these organisms share the same

Accepted Answer

Habitat

Answer

Biome

Answer

Population

Answer

Community

Question 31

In the food chain below if the worm contains 6 calories of energy, how much energy is available to the turtle to grow, develop, and reproduce if it ingest 10 worms?

Accepted Answer

6

Answer

0.06

Answer

0.6

Answer

60

Question 32

An underground reservoir of water is known as ______

Accepted Answer

An Aquifer

Answer

An Estuary

Answer

Sublimation

Answer

Permafrost

Question 33

Organism that feeds on plant and animal remains and other dead matter

Accepted Answer

Detritovore

Answer

Decomposer

Answer

Carnivore

Question 34

Role and organism plays in it's environment

Accepted Answer

Niche

Answer

Abiotic Factor

Answer

Biotic Factor

Question 35

A fox kills and eats a rabbit.  What type of relationship is this?

Accepted Answer

predation

Answer

parasitism

Answer

commensalism

Question 36

According to this food web, which of these organisms is a primary consumer AND secondary consumer?

Accepted Answer

bird

Answer

rabbit

Answer

mouse

Answer

grasshopper

Question 37

According to this food web, what do foxes eat?

Accepted Answer

rabbits and birds

Answer

rabbits and owls

Answer

carrots and mice

Answer

grasshoppers and birds

Question 38

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 39

What are the Abiotic factors in this image?

Accepted Answer

water, sunlight, dirt, air

Answer

birds and plants

Answer

birds, water, dirt

Answer

plants, water

Question 40

Which of the following lists the level of biological organization in order, from least inclusive to most inclusive?

Accepted Answer

individual, population, community, ecosystem, biome, biosphere

Answer

individual, community, population, ecosystem, biosphere, biome

Answer

individual, community, ecosystem, population, biome, biosphere

Answer

individual, population, ecosystem, community, biosphere, biome

Question 41

A group of very similar organisms that can mate and reproduce offspring of the same type

Accepted Answer

Species

Answer

Community

Answer

Population

Answer

Niche

Question 42

The living or once living organisms in an ecosystem

Accepted Answer

Biotic

Answer

Biology

Answer

Abiotic

Answer

Ecology

Question 43

Which of the following is the highest level of organization within the environment?

Accepted Answer

biosphere

Answer

population

Answer

organism

Answer

ecosystem

Question 44

These organisms must eat to obtain their energy

Accepted Answer

heterotrophs

Answer

autotrophs

Answer

producers

Answer

niche

Question 45

The smallest level of ecological classification

Accepted Answer

organism

Answer

population

Answer

biome

Answer

ecosystem

Ecology A

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