Quiz about Energy Pyramid

Question 1

How is the flow of energy through an energy pyramid diagrammed?

Accepted Answer

From bottom to top, with the largest amount of energy at the bottom

Answer

From top to bottom, with the largest amount of energy at the top

Answer

In a circular motion, with equal energy at all levels

Answer

Randomly, with no specific direction or order

Question 2

What do all living things need to survive?

Accepted Answer

Energy

Answer

Water

Answer

Sunlight

Answer

Carbon dioxide

Question 3

How is energy transferred in a living system?

Accepted Answer

From plants to animals through photosynthesis

Answer

From animals to plants

Answer

From the sun to animals directly

Answer

From water to plants

Question 4

What is the term used for a graphic representation of the energy transfer system in a living ecosystem?

Accepted Answer

Energy Pyramid

Answer

Energy Circle

Answer

Energy Square

Answer

Energy Graph

Question 5

What happens to the energy made by plants?

Accepted Answer

It is transferred to an animal that eats the plant

Answer

It is stored in the soil

Answer

It is used to make water

Answer

It dissipates into the atmosphere

Question 6

According to the energy transfer system, what happens after an organism eats a plant?

Accepted Answer

The organism transfers the energy to the next organism that eats it

Answer

The organism uses all the energy immediately

Answer

The energy is lost and not transferred further

Answer

The plant regrows instantly to produce more energy

Question 7

What determines the position of an organism on an energy pyramid?

Accepted Answer

The organism's feeding position in a food chain based on what it eats

Answer

The size of the organism

Answer

The speed of the organism

Answer

The color of the organism

Question 8

As you move from lower to higher trophic levels in an energy pyramid, what happens to energy?

Accepted Answer

Energy decreases

Answer

Energy increases

Answer

Energy remains constant

Answer

Energy fluctuates unpredictably

Question 9

What happens to biomass as you move from lower to higher trophic levels in an energy pyramid?

Accepted Answer

Biomass decreases

Answer

Biomass increases exponentially

Answer

Biomass remains constant

Answer

Biomass increases slightly

Question 10

What is the term used for organisms that make their own food through the process of photosynthesis?

Accepted Answer

Autotroph

Answer

Heterotroph

Answer

Carnivore

Answer

Omnivore

Question 11

Where do producers primarily get their energy from?

Accepted Answer

The Sun

Answer

Water

Answer

Soil

Answer

Decomposers

Question 12

Which level(s) in the energy pyramid represents the producers?

Accepted Answer

Level 1

Answer

Level 2

Answer

Level 3

Answer

Level 4

Question 13

What term is used to describe organisms that cannot make their own food and must eat other organisms?

Accepted Answer

Heterotrophs

Answer

Autotrophs

Answer

Producers

Answer

Decomposers

Question 14

Which levels in the energy pyramid represent the consumers?

Accepted Answer

Levels 2, 3, 4, and 5

Answer

Level 1

Answer

Levels 2, 3, and 4

Answer

Levels 1, 2, and 3

Question 15

What trophic level do primary consumers occupy in an energy pyramid?

Accepted Answer

Level 2

Answer

Level 1

Answer

Level 3

Answer

Level 4

Question 16

Primary consumers are also known as:

Accepted Answer

Heterotrophs

Answer

Autotrophs

Answer

Omnivores

Answer

Producers

Question 17

Which level in the energy pyramid represents the primary consumer?

Accepted Answer

Level 2

Answer

Level 1

Answer

Level 3

Answer

Level 4

Question 18

Which of the following best describes omnivores?

Accepted Answer

Eat both plants and animals

Answer

Eat only plants

Answer

Eat only animals

Answer

Do not eat plants or animals

Question 19

Which level in the energy pyramid represents the tertiary consumer?

Accepted Answer

Level 4

Answer

Level 2

Answer

Level 3

Answer

Level 5

Question 20

Which of the following best describes the position of an apex predator in a food chain?

Accepted Answer

The top level, upon which nothing preys

Answer

The bottom level, which consists of producers

Answer

The second level, which consists of primary consumers

Answer

The third level, which consists of secondary consumers

Question 21

Apex predators are typically what type of consumers?

Accepted Answer

Carnivores

Answer

Herbivores

Answer

Omnivores

Answer

Detritivores

Question 22

Which level in the energy pyramid represents the apex predator?

Accepted Answer

Level 5

Answer

Level 1

Answer

Level 2

Answer

Level 3

Question 23

Which level of the energy pyramid is represented by the largest group of organisms in a forest food web?

Accepted Answer

Producers

Answer

Tertiary Consumers

Answer

Secondary Consumers

Answer

Primary Consumers

Question 24

In a forest food web, which trophic level directly obtains energy from the sun?

Accepted Answer

Producers

Answer

Tertiary Consumers

Answer

Secondary Consumers

Answer

Primary Consumers

Question 25

What role do decomposers play in ecosystems?

Accepted Answer

They break down dead organisms and return nutrients to the environment

Answer

They produce energy for other organisms

Answer

They are the primary consumers of plants

Answer

They help in the pollination of plants

Question 26

Which of the following are considered primary decomposers?

Accepted Answer

Fungi and bacteria

Answer

Insects and mammals

Answer

Plants and algae

Answer

Birds and reptiles

Question 27

At which levels of the energy pyramid are decomposers active?

Accepted Answer

At each level of the pyramid

Answer

Only at the bottom level

Answer

Only at the top level

Answer

Decomposers are not part of the energy pyramid

Question 28

What does the shape of an energy pyramid represent?

Accepted Answer

The decreasing amount of energy available as it is used by organisms at each trophic level

Answer

The increasing amount of energy available at each trophic level

Answer

The constant amount of energy available at each trophic level

Answer

The type of organisms at each trophic level

Question 29

By what percentage does the amount of energy decrease as you go up each level of the energy pyramid?

Accepted Answer

90%

Answer

10%

Answer

50%

Answer

75%

Question 30

How much energy is transferred from the primary producers to the first-level consumers?

Accepted Answer

10%

Answer

0.1%

Answer

1%

Answer

100%

Question 31

As you move up each trophic level in an energy pyramid, how does the available energy change?

Accepted Answer

It decreases by 10 times.

Answer

It increases by 10 times.

Answer

It stays the same.

Answer

It doubles.

Question 32

If an energy pyramid starts with 5500 J of energy at the producer level, how much energy is available to the primary consumers according to the 10% rule?

Accepted Answer

A) 550 J

Answer

B) 500 J

Answer

C) 55 J

Answer

D) 5 J

Question 33

Using the 10% rule, if the primary consumers receive 550 J of energy, how much energy is then available to the secondary consumers?

Accepted Answer

A) 55 J

Answer

B) 5 J

Answer

C) 500 J

Answer

D) 5500 J

Question 34

Following the 10% rule, if the secondary consumers have 55 J of energy, what amount of energy is available to the tertiary consumers?

Accepted Answer

A) 5.5 J

Answer

B) 0.55 J

Answer

C) 50 J

Answer

D) 550 J

Question 35

As energy moves up the energy pyramid, the amount of energy available:

Accepted Answer

Decreases

Answer

Increases exponentially

Answer

Remains constant

Answer

Is completely lost

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