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.

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

An ecosystem involves only the biotic, AND THE abiotic

A community involves only the biotic, not the abiotic

An ecosystem only includes herbivores and carnivores-- no decomposers

An ecosystem is just a larger community

What are the correct types of Trophic levels?

Producers Primary Secondary Tertiary

Producers Consumers Decomposers

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

What makes Fungi so unique when it comes to trophic levels?

They are consumers of all types of organisms because they decompose

They are producers so they can be high or low

They are consumers of only plants

They are consumers of only the primary trophic level

Which of the following describes a niche?

An organism's role or job in the ecosystem

where an organism lives and gets what it needs to survive

all of the living things in the environment

all of the non-living things in the environment

What do the arrows in a food web represent?

it points towards the organism that is receiving energy from what it has eaten

it points towards the organism that is being eaten

Use the following food chain to answer this question Grass--> Insects--> Shrews-->Owl What would happen if all the insects were to be eliminated?

the grass would increase and the shrews would decrease

The grass would decrease and the shrews would increase

the grass would decrease and the shrews would decrease

the grass would increase and the shrews would increase

Ten fish were living well in a 10-gallon fish tank. When five fish were added to the tank later, some fish began to die. Which best explains this occurrence?

The fish exceeded the carrying capacity of the tank.

The fish ran out of carbon dioxide.

The fish had no space in which to swim.

The new fish began to use the older fish for food.

What does biodiversity mean?

The different amount of species in an area

the place where a species lives

Use Figure 3-2. How would you describe the relationship between temperature of a continental ecosystem and net primary productivity based on the data provided?

the warmer the ecosystem, the higher the productivity

there is no clear relationship between temperature and productivity

the colder the ecosystem the higher the productivity

the warmer the ecosystem, the lower the productivity

What happens during nitrogen fixation?

Atmospheric nitrogen diffuses into the soil and is converted into ammonia.

Bacteria in the soil convert nitrate into nitrogen gas and nitrous oxide.

Nitrogen wastes are into ammonium.Organisms convert nitrogen into carbon dioxide and energy,

Organisms convert nitrogen into carbon dioxide and energy,

HBio Ecology

Authored by Mark Kato

Biology

9th - 12th Grade

NGSS covered

Used 55+ times

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50 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

30 sec • 1 pt

Autotrophs make up the _______ level in all ecosystems.

First

Second

Third

Fourth

MULTIPLE CHOICE QUESTION

1 min • 1 pt

symbiotic relationship in which both organisms benefit

competition

Mutualism

nitrogen fixation

energy pyramid

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A living relationship between two species in which one organism is harmed is called...

mutualism

commensalism

parasitism

niche

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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.

How carnivores get their food.

Tags

NGSS.MS-LS2-3

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HBio Ecology

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?

Autotrophs make up the _______ level in all ecosystems.

symbiotic relationship in which both organisms benefit

A living relationship between two species in which one organism is harmed is called...

What does a food web represent?

The image provided is an example of a(n):

The amount of energy that usually transfers from one trophic level to the next...

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

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