What does a food web represent?

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

The specific ways that mutualism is carried out.

A single pathway or energy flow between organisms.

Which of the following would be the definition of a detritivore?

Things that feed on dead organisms, recycling the nutrients back into the ground.

Organisms that feed on rocks, recycling the nutrients back into the ground.

An organism's niche is

the entire role an organism has in the place it lives

the range of temperatures that the organism needs to survive

all the physical and biological factors in the organism's environment

the nutrients that flow from the organism to the environment

When a population grows past the ecosystem's carrying capacity, what happens to the population?

The population starts to die off to return to carrying capcity

The population will go extinct due to lack of resources

The population grows then finds a new carrying capacity

Any thing or organism that regulates the size of a population of another organism is known as __________.

materialization of precipitation

Ecology Unit Review

Authored by Michelle Bibel

Biology

9th Grade

NGSS covered

Used 60+ times

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85 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

heterotroph

consumer

detritivore

autotroph

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the original source of almost all energy in most ecosystems?

carbohydrates

sunlight

water

carbon

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

energy path

food web

trophic level

food pyramid

Tags

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is an heterotroph?

An organism that can produce its own form of energy (via the Sun)

An organism that consumes only plants for energy

Various organisms that consume other organisms for energy

An organism that decomposes other organisms

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the major difference between a community and an ecosystem?

A community involves only the biotic, not the abiotic

An ecosystem only includes herbivores and carnivores-- no decomposers

An ecosystem involves only the biotic, AND THE abiotic

An ecosystem is just a larger community

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the correct types of Trophic levels?

Producers
Primary
Secondary

Primary
Secondary

Producers
Consumers
Decomposers

Producers
Primary
Secondary
Tertiary

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the major differences between a species and a population?

Populations consist of ALL of the individual organisms within a species in a given area/ecosystem that are fertile

Populations are a collection of many different types of species that are not related to each other

Populations are just a larger amount of individuals

Populations are the number of individuals within a species that are identical

Tags

NGSS.MS-LS4-4

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Ecology Unit Review

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

What is the original source of almost all energy in most ecosystems?

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

What is an heterotroph?

What is the major difference between a community and an ecosystem?

What are the correct types of Trophic levels?

What are the major differences between a species and a population?

What are the plants in this picture?

Different populations living and interacting with each other in the same area

Organisms that look similar and can produce fertile offspring

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