Quiz about 5 L 2 2

Question 1

The main function of a producer in an ecosystem is to

Accepted Answer

make sugar through photosynthesis.

Answer

absorb minerals from the soil.

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change water vapor into a liquid.

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break down dead plant and animal matter.

Question 2

Which describes a decomposer?

Accepted Answer

an organism that breaks down dead matter

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an organism that eats only plants

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an organism that makes its own food

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an organism that receives energy from the sun

Question 3

An energy pyramid shows that less food and energy is available moving from the bottom to the top. Based on this model, where would producers be located on the energy pyramid?

Accepted Answer

Level 1

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Level 2

Answer

Level 3

Answer

Level 4

Question 4

Which best explains why producers are at the beginning of all food chains?

Accepted Answer

They transfer energy from the sun into food.

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They turn dead animals into nutrients.

Answer

They provide shelter for smaller animals.

Question 5

Which is most responsible for recycling dead plants and animals in an

ecosystem?

Accepted Answer

bacteria

Answer

water

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fish

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insects

Question 6

Which organism is a producer?

Accepted Answer

grass

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frog

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mushroom

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lizard

Question 7

Which will most likely cause a decrease in predator populations?

Accepted Answer

a decrease in prey populations

Answer

an increase in prey populations

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a decrease in decomposers

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an increase in producers

Question 8

Which is an example of a decomposer?

Accepted Answer

a mushroom

Answer

a hawk

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a mouse

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a flower

Question 9

Which gets all of its energy from the sun?

Accepted Answer

producer

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consumer

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decomposer

Question 10

When an animal dies in an ecosystem a mushroom will sometimes grow

on the remains of the animal. Which best describes the role of the

mushroom in the ecosystem?

Accepted Answer

decomposer

Answer

producer

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consumer

Question 11

What would most likely happen if all of the decomposers in an ecosystem were removed?

Accepted Answer

The plants in the ecosystem would eventually die because of a lack of nutrients in the soil.

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The animals in the ecosystem would die because of the spread of disease.

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The plants in the ecosystem would begin to die out because of a decrease in available water.

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The animals in the ecosystem would eat other types of food because of a decrease in producers.

Question 12

What is a common feature between an estuary and an ocean ecosystem?

Accepted Answer

Both contain different plants and animals at different depths.

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Both are freshwater ecosystems.

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Both are deep water ecosystems.

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Both contain a deep bottom zone where sunlight does not reach.

Question 13

Which type of animal usually eats both producers and consumers?

Accepted Answer

an omnivore

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a carnivore

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a herbivore

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a predator

Question 14

Which classification best describes herbivores?

Accepted Answer

consumers

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producers

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predators

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decomposers

Question 15

A mouse eats seeds and insects. Which best describes the role of the mouse?

Accepted Answer

consumer

Answer

decomposer

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herbivore

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producer

Question 16

What will be most affected if the decomposers in an ecosystem are removed?

Accepted Answer

the quality of soil

Answer

the spread of disease

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the availability of water

Answer

the distribution of organisms

Question 17

Which would most likely cause a decrease in a population of herbivores?

Accepted Answer

an increase in the number of carnivores

Answer

an increase in the number of producers

Answer

a decrease in the types of decomposers

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an increase in the types of plants

Question 18

The moon jellyfish is a saltwater marine organism.

Which aquatic ecosystem commonly provides the marine habitat the moon jellyfish requires to survive?

Accepted Answer

ocean

Answer

river

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pond

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lake

Question 19

What type of organisms are responsible for recycling the remains of a dead plant or animal to the soil?

Accepted Answer

decomposers

Answer

producers

Answer

consumers

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herbivores

Question 20

5 L 2 2

Accepted Answer

The chemical symbol for Lithium is $$Li$$ .

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The chemical symbol for Lithium is $$L$$ .

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The chemical symbol for Lithium is $$Lt$$ .

Answer

The chemical symbol for Lithium is $$Lm$$

Question 21

5 L 2 2

Accepted Answer

The atomic number of Lithium is 3.

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The atomic number of Lithium is 5.

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The atomic number of Lithium is 2.

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The atomic number of Lithium is 4.

Question 22

5 L 2 2

Accepted Answer

Lithium is a metal.

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Lithium is a non-metal.

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Lithium is a metalloid.

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Lithium is a noble gas.

Question 23

5 L 2 2

Accepted Answer

Lithium is used in batteries.

Answer

Lithium is used in fertilizers.

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Lithium is used in glass production.

Answer

Lithium is used in food preservation.

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