Quiz about Ecosystem Unit Review

Question 1

This is a blue crab. Which level of organization does this best represent?

Accepted Answer

Organism

Answer

Community

Answer

Ecosystem

Answer

Population

Question 2

All of the fireflies in an area that can interact and breed are considered -

Accepted Answer

A population

Answer

An ecosystem

Answer

An organism

Answer

A community

Question 3

All of the organisms in the community and their interactions with each other and the abiotic factors of the physical environment form -

Accepted Answer

An ecosystem

Answer

An organism

Answer

A population

Answer

A community

Question 4

Check all of the choices below that are biotic factors.

Accepted Answer

Trees

Accepted Answer

Mushrooms

Answer

Soil

Answer

Water

Question 5

Check all of the choices below that are abiotic factors.

Accepted Answer

Light

Accepted Answer

Rocks

Answer

Birds

Answer

Worms

Question 6

Temperature, light, air, water, and soil are all  _____  parts of the environment

Accepted Answer

abiotic

Answer

alive

Answer

biotic

Answer

living

Question 7

What is it called when a group of the same organisms live together in the same place at the same time?

Accepted Answer

A population

Answer

An organism

Answer

A community

Answer

A biome

Question 8

What are groups of different populations living togther in the same place at the same time called?

Accepted Answer

A community

Answer

An organism

Answer

A population

Answer

A biosphere

Question 9

What is it called when you have groups of different populations along with their abiotic factors?

Accepted Answer

An ecosystem

Answer

An organism

Answer

A population

Answer

A community

Question 10

What are the ecological levels of organization from smallest to the largest?

Accepted Answer

organism, population, community, ecosystem

Answer

organism, community, population, ecosystem

Answer

organism, population, ecosystem, community

Answer

organism, community, ecosystem, population

Question 11

What term best describes all the plants and animals in this image?

Accepted Answer

Community

Answer

Species

Answer

Population

Answer

Ecosystem

Question 12

What term best describes this group of bison?

Accepted Answer

Population

Answer

Species

Answer

Community

Answer

Ecosystem

Question 13

Individuals of the different species compete for the same resources is_________ competition.

Accepted Answer

Interspecific

Answer

Inraspecific

Question 14

Individuals of the same species compete for the same resources is_________ competition.

Accepted Answer

Intraspecific

Answer

Interspecific

Question 15

In an ecosystem, what do organisms and populations with similar needs compete over?

Accepted Answer

all of the above

Answer

food

Answer

water

Answer

shelter

Question 16

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

Accepted Answer

increases, decreases

Answer

increases, increases

Answer

decreases, increases

Answer

decreases, decreases

Question 17

The population of deer in a certain area is monitored over a period of six years. The data is represented in the graph provided. Which of the following is the most likely explanation for the change in population in 2009?

Accepted Answer

Humans introduced grazing animals that feed on the same plants as the deer.

Answer

Wild dogs, which prey on deer, were being hunted more than usual.

Answer

Snowfall in the previous spring was higher than the yearly average.

Answer

More insects that pollinate flowering plants move into the ecosystem.

Question 18

An increase in which of the following factors is likely to contribute to competition between two members of the same species living in a certain habitat?

Accepted Answer

Population of the species

Answer

Available food resources

Answer

Annual snowfall

Answer

Overall size of the habitat

Question 19

Hawks and owls eat the same type of food and struggle with one another to get their food. What is this an example of?

Accepted Answer

Competition

Answer

Biotic factor

Answer

Symbiosis

Answer

Population

Question 20

Plants compete for air, water,  ________ within ecosystems.

Accepted Answer

space, and sunlight

Answer

space, and sound

Answer

sunlight, and wind

Question 21

A limited resource in an ecosystem is

Accepted Answer

something that is needed by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, then the organisms that need it will likely die off.

Answer

something that is appreciated by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, the organisms will be okay.

Answer

something that is unlimited and will last forever, organisms and populations may compete, but only for fame and glory.

Answer

something that is not needed by organisms and is not infinite (unlimited) in the environment. If the resource runs out or is destroyed, then there will be no effect on the organisms.

Question 22

Living things that affect the ecosystem.

Accepted Answer

biotic

Answer

rocks

Answer

pokemon

Answer

abiotic

Question 23

Non-Living things that affect the ecosystem

Accepted Answer

abiotic

Answer

biotic

Answer

dead

Answer

zombies

Question 24

Competition in an ecosystem occurs when

Accepted Answer

more than one individual or population in an ecosystem relies (needs) the same limited resource.

Answer

animals get bored.

Answer

there is more than enough of a resources for every living organism.

Answer

resources are unlimited.

Question 25

An interaction between organisms or species that is helpful to both.

Accepted Answer

Mutually beneficial interaction

Answer

Dependent interaction

Answer

Predatory interaction

Answer

Competitive interaction

Question 26

A tick living on a dog and taking its blood is an example of

Accepted Answer

parasitism

Answer

commensalism

Answer

predation

Answer

mutualism

Question 27

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

Accepted Answer

commensalism

Answer

mutualism

Answer

competition

Answer

parasitism

Question 28

A relationship between two organisms in which one organism benefits and the other is unharmed...

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Competition

Answer

Parasitsm

Question 29

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Answer

predation

Question 30

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

Accepted Answer

host, parasite

Answer

host, hostess

Answer

parasite, host

Answer

prey, predator

Question 31

A bee and a flower work together to benefit each other. This is an example of a ______. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar.

Accepted Answer

mutualistic relationship

Answer

commensalistic relationship

Answer

parasitic relationship

Question 32

In the jungles of South America lives a thorn tree call an acacia. A species of ant eats secretions of the acacia, drinks its sap, and raises its young in the hollow thorns. The ants also keep competing vines from growing near the acacia tree and they help repel any insects that would damage the acacia tree.

Accepted Answer

mutualism

Answer

commensalism

Answer

parasitism

Question 33

Which of he following interactions demonstrates a PARASITIC relationship?

Accepted Answer

A mosquito sucking blood from a warm blooded animal.

Answer

A group of baby otters floating together to help warm each other in the cold waters.

Answer

Many fish swimming together to protect each other from predators.

Answer

Two hyenas fighting over a female to mate with.

Question 34

Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.

Accepted Answer

Competition

Answer

Parasitism

Answer

Predator and prey

Answer

Producer and consumer

Question 35

A symbiotic relationship where one organism benefits and another is harmed

Accepted Answer

Parasitism

Answer

Commensalism

Answer

Mutualism

Answer

Competition

Question 36

A feeding relationship where one organism hunts and one is hunted.

Accepted Answer

Predator-Prey

Answer

Commensalism

Answer

Decomposistion

Answer

Mutualism

Ecosystem Unit Review

38 questions

This is a blue crab. Which level of organization does this best represent?

All of the fireflies in an area that can interact and breed are considered -

All of the organisms in the community and their interactions with each other and the abiotic factors of the physical environment form -

Check all of the choices below that are biotic factors.

Check all of the choices below that are abiotic factors.

Temperature, light, air, water, and soil are all _____ parts of the environment

What is it called when a group of the same organisms live together in the same place at the same time?

What are groups of different populations living togther in the same place at the same time called?

What is it called when you have groups of different populations along with their abiotic factors?

What are the ecological levels of organization from smallest to the largest?

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