Grd 7- Test Unit 7- Investigating Organisms and their Environment 2018-19

Question 1

Biodiversity tells us a lot about the health of the

Accepted Answer

Biosphere

Question 2

The type of succession always starts on rock

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Primary succession

Question 3

The time scale of this process can be decades, hundreds, thousands or even millions of years.

Accepted Answer

Ecological Succession

Question 4

There are ______ main types of succession

Accepted Answer

two

Question 5

Biodiversity provides us with food and medicine and contributes to our

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Economy

Question 6

The image illustrates which of the following?

Accepted Answer

Food Chain

Question 7

Biodiversity maintains the health of the _________ and its people.

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Earth

Question 8

Arrows in a food chain, web and diagram illustrate the:

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Flow of Energy

Question 9

Aquatic biomes that have salty water are known as

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Marine

Question 10

Aquatic biomes that have non salty water are known as

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Freshwater

Question 11

Series of community changes which occur on an entirely new habitat.

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Primary succession

Question 12

Genetic , ecosystem , or species variation (number of species) within an area, biome, or planet

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Biodiversity

Question 13

The variety of different types of life found on the Earth and the variations within species

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Biodiversity

Question 14

In the word Biodiversity- diversity means

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Different

Question 15

In the word Biodiversity- Bio means

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Life

Question 16

Series of community changes which occur on a previously colonized but disturbed/damaged habitat

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Secondary succession

Question 17

The greater the variety of species, the healthier the

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Biosphere

Question 18

Land based biomes (land) are called

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Terrestrial

Question 19

The observed process of change in the species structure of an ecological community over time.

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Ecological Succession

Question 20

Different types of life is known as

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Biodiversity

Question 21

An example of a microhabitat is a

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Caterpillar snacking on leaves which have fallen from a tree

Question 22

The image illustrates which of the following?

Accepted Answer

Food Web

Question 23

It is a measure of the variety of organisms present in different ecosystems.

Accepted Answer

Biodiversity

Question 24

Areas devastated by catastrophic events such as wildfires, etc create which type of succession?

Accepted Answer

Secondary succession

Question 25

Are regions of the world with similar climate (weather, temperature) animals and plants

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Biome

Question 26

The image illustrates which of the following?

Accepted Answer

Food Energy Pyramid

Question 27

All food chains, webs and diagrams must be supported by a larger base of which type of organism

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Producer

Question 28

A newly quarried rock face or sand dunes produces which of the type of succession?

Accepted Answer

Primary succession

Question 29

Always starts on previously existing soil

Accepted Answer

Secondary succession

Question 30

A small specialized habitat within a larger habitat.

Accepted Answer

Microhabitat

Grd 7- Test Unit 7- Investigating Organisms and their Environment 2018-19

Questions 30

Grd 7- Test Unit 7- Investigating Organisms and their Environment 2018-19

Questions 30