Test: Unit 3 Review (Science) (food chain)


Unit 3 Review (Science)Versión en línea Review of Unit 3 - Natural Science - Our Planet's Biosphere por Amanda Torio 1 What animal is this? a Lion b Bengal Tiger c Cheetah d Snow Leopard 2 Only organisms of the same species interact. a True b False 3 If an animal or a plant becomes extinct, this will not affect other organisms in an ecosystems. a True b False 4 Biodiversity is the variety of life found on Earth. a True b False 5 The biosphere is a type of ecosystem. 6 Plants and algae are... a Producers b Consumers c Decomposers d Producers e Consumers f Decomposers 7 They make their own food through.... a eating other plants b eating animals c photosynthesis d drinking water 8 ....obtain their food by feeding on other living organisms. a Producers... b Consumers... c Decomposers... 9 Herbivores and omnivores are .... a ...primary consumers b ...secondary consumers c ...tertiary consumers d ...decomposers 10 Rabbits and grasshoppers are... a ...primary consumers b ...secondary consumers c ...tertiary consumers d ...decomposers 11 Carnivores and omnivores are... a ...primary consumers b ...secondary consumers c ...tertiary consumers d ...decomposers 12 Secondary consumers... a ...don't eat anything b ...can eat other animals c ...eat only plants d ...drink water 13 Tertiary consumers.... a ...feed on other animals b ...eat plants c ...eat plants and other animals d ...feed on fungi 14 Decomposers such as mushrooms... a ...feed on the remains of other living things b ...are eaten by other animals c ...are tertiary consumers d ...feed on plants 15 A predator is... a ...an animal that kills and eats other animals b ...an animal eaten by other animals c ...lives in harmony with other animals d ...an animal that eats plants 16 What does a food chain always start with? a b c d 17 A snow leopard is a... (there is more than 1 answer) a ...herbivore b ...predator c ...tertiary consumer d ...decomposer 18 A food chain... a ...represents a biosphere b ...represents feeding relationships c ...represents connected food chains d ...represents an ecosystem 19 A food web... a ...represents a biosphere b ...represents feeding relationships c ...represents connected food chains d ...represents an ecosystem 20 Extinction... a ...occurs when every single member of a species dies out b ...is when a species is in danger of dying out 21 When an animal is close to extinction it is... a ...a prey b ...a decomposer c ...endangered 22 The 3 Rs are... a ...Roam, request, return b ...Relive, rebuild, reuse c ...Reduce, reuse, recycle d ..Remote, read, react 23 The 3 Rs are ways to... a ...help improve our planet and the environment b ...give money to the poor c ...help feed other animals d ...stop the trees from dying

1

What animal is this?

a

Lion

b

Bengal Tiger

c

Cheetah

d

Snow Leopard

2

Only organisms of the same species interact.

a

True

b

False

3

If an animal or a plant becomes extinct, this will not affect other organisms in an ecosystems.

a

True

b

False

4

Biodiversity is the variety of life found on Earth.

a

True

b

False

5

The biosphere is a type of ecosystem.

6

Plants and algae are...

a

Producers

b

Consumers

c

Decomposers

d

Producers

e

Consumers

f

Decomposers

7

They make their own food through....

a

eating other plants

b

eating animals

c

photosynthesis

d

drinking water

8

....obtain their food by feeding on other living organisms.

a

Producers...

b

Consumers...

c

Decomposers...

9

Herbivores and omnivores are ....

a

...primary consumers

b

...secondary consumers

c

...tertiary consumers

d

...decomposers

10

Rabbits and grasshoppers are...

a

...primary consumers

b

...secondary consumers

c

...tertiary consumers

d

...decomposers

11

Carnivores and omnivores are...

a

...primary consumers

b

...secondary consumers

c

...tertiary consumers

d

...decomposers

12

Secondary consumers...

a

...don't eat anything

b

...can eat other animals

c

...eat only plants

d

...drink water

13

Tertiary consumers....

a

...feed on other animals

b

...eat plants

c

...eat plants and other animals

d

...feed on fungi

14

Decomposers such as mushrooms...

a

...feed on the remains of other living things

b

...are eaten by other animals

c

...are tertiary consumers

d

...feed on plants

15

A predator is...

a

...an animal that kills and eats other animals

b

...an animal eaten by other animals

c

...lives in harmony with other animals

d

...an animal that eats plants

16

What does a food chain always start with?

a

b

c

d

17

A snow leopard is a... (there is more than 1 answer)

a

...herbivore

b

...predator

c

...tertiary consumer

d

...decomposer

18

A food chain...

a

...represents a biosphere

b

...represents feeding relationships

c

...represents connected food chains

d

...represents an ecosystem

19

A food web...

a

...represents a biosphere

b

...represents feeding relationships

c

...represents connected food chains

d

...represents an ecosystem

20

Extinction...

a

...occurs when every single member of a species dies out

b

...is when a species is in danger of dying out

21

When an animal is close to extinction it is...

a

...a prey

b

...a decomposer

c

...endangered

22

The 3 Rs are...

a

...Roam, request, return

b

...Relive, rebuild, reuse

c

...Reduce, reuse, recycle

d

..Remote, read, react

23

The 3 Rs are ways to...

a

...help improve our planet and the environment

b

...give money to the poor

c

...help feed other animals

d

...stop the trees from dying

Unit 3 Review (Science)

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