In what way is under a rock a mircrohabitat?

It supports a distinct population of organisms

It provides camouflage for particular organims to protect them

It is a large community of organisms that occupy a major habitat

If your local environment begins to turn into a desert, what will most likely happe to the organisms?

Environment will be unable to support existing population

Population of existing organims will increase

Populations of existing organisms will not be affected

Different organisms will be supported rather than the existing ones

Which best describes the comparison of lake and ocean environments?

They support different organisms because they are different types of water

They support the same organisms because they are both water

They support the same organisms but look different because of the water type

They support different organisms because land blocks oceans from getting into lakes

The Bird of Paradise is a type of flower naturally grown only in Hawaii. Which of the following is most likely the reason it is only naturally grown in Hawaii?

The type of organisms that pollinate and help the plant reproduce are not found in other enviroments

The type of animals that eat the plant are not found in other enviroments

The amount of sunlight the plant needs is not found in other enviroments

The type and amount of water the plant needs is not found in other enviroments

The more diverse an ecosystem is -

the more threatened its populations are

the more similar the species will be

the fewer varieties of species are present

How does biodiverstiy contribue to the sustainablity of an ecosystem?

A variety of plant & animal species allow for more survivors of a natual disaster

Having more species allows the human population to increase in size

Low biodiversity reduces the competition for resouces

fewer speices reduces the likelihood that diseae spreads through the ecosystem

Which of the following situations contributes to the sustainability of an ecosystem?

Extinction ofa population from the ecosystem

Removal of many populations of organisms

Why is biodiversity important in an ecosystem?

Leads to stability of an ecosystem, which enables it to withstand a distrubance

Number of offspring for a species increases

Creates more competition for resources among species

Number of organisms in the food pyramid will increase at each trophic level

Which of the following sequences represnets ecological succession on a recently abandoned corn field?

Grasses>flowering plants>shrubs>native trees

Native trees>shrubs>flowering plants>grasses

Shrubs>grasses>native trees>flowering plants

Flowering plants>native trees>shrubs>grasses

Which relationship best desribes succession and equilibrium in an ecosystem?

Succession leads to equilibrium in an ecosystem

Succesion prevents ecosystems from ever reaching equilibrium

Succession and equilibrium are the same thing

Unit 7 Review 7.10ABC

Authored by Shianne Moody

Science

7th Grade

NGSS covered

Used 36+ times

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23 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The number of different species of plants and animals in an area

Biodiversity

Biome

Ecosystem

Population

A type of biological community defined by its predominant plants, animals and enviromental conditions

Biodiversity

Biome

Ecosystem

Population

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A relatively stable state of succession or the end product of succession

Climax Community

Ecosystem

End of Succession

Ecological Succession

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A system comprising all the biotic and abiotic factors in an area and all the interactions among them

Ecosystem

Animal System

Succession Systme

Climax Community

The place where an organism naturally lives and grows

Habitat

Biome

Climax Community

Microhabitat

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A very small, specialized habitat

Habitat

Microhabitiat

Small Population

Habitat

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A group of interacting individuals of the same species located in the same area

Population

Habitat

Ecosystem

Biome

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Unit 7 Review 7.10ABC

The number of different species of plants and animals in an area

A type of biological community defined by its predominant plants, animals and enviromental conditions

A relatively stable state of succession or the end product of succession

A system comprising all the biotic and abiotic factors in an area and all the interactions among them

The place where an organism naturally lives and grows

A very small, specialized habitat

A group of interacting individuals of the same species located in the same area

A series of changes in the species composition of a community over time

Happens after new land is created or exposed

Happens after a devastating event

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