Quiz about Energy and Ecosystems

Question 1

The amount of energy transferred from one level to another.

Accepted Answer

10%

Answer

100%

Answer

90%

Answer

50%

Question 2

Amount of energy received from the lower level is used for life processes

Accepted Answer

90%

Answer

100%

Answer

50%

Answer

10%

Question 3

An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

Accepted Answer

Autotroph

Answer

Heterotroph

Question 4

Plants use carbon dioxide to make the food that most living things need to live.

Accepted Answer

Carbon-Oxygen Cycle

Answer

Oxygen Cycle

Answer

Carbon Cycle

Answer

Carbon-Nitrogen Cycle

Question 5

A consumer that eats only animals.

Accepted Answer

Carnivore

Answer

Omnivore

Answer

Herbivore

Answer

Scavenger

Question 6

A consumer that eats plants and animals.

Accepted Answer

Omnivore

Answer

Carnivore

Answer

Herbivore

Answer

Scavenger

Question 7

A consumer that eats only plants.

Accepted Answer

Herbivore

Answer

Omnivore

Answer

Carnivore

Answer

Scavenger

Question 8

A consumer that eats dead organisms.

Accepted Answer

Scavenger

Answer

Omnivore

Answer

Carnivore

Answer

Herbivore

Question 9

A green pigment found in the chloroplasts of plants, algae, and some bacteria.

Accepted Answer

Chlorophyll

Answer

Chloroplasts

Question 10

A structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.

Accepted Answer

Chloroplasts

Answer

Chlorophyll

Question 11

An organism that obtains energy by feeding on other organisms

Accepted Answer

Consumer

Answer

Producer

Answer

Decomposer

Question 12

Organism that breaks down and obtains energy from dead organic matter and the final link to the food chain

Accepted Answer

Decomposer

Answer

Consumer

Answer

Producer

Question 13

An organism that can make its own food.

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Question 14

A diagram that shows the amount of energy that moves from one feeding level to another.

Accepted Answer

Energy Pyramid

Answer

Food Chain

Answer

Food Web

Answer

Food Pyramid

Question 15

Used by decomposers to break down dead matter, releasing nutrients that enrich the soil

Accepted Answer

Enzymes

Answer

Food

Answer

Photosynthesis

Answer

Soil

Question 16

Herbivores.They get energy from the plants they eat.

Accepted Answer

First Level Consumers

Answer

Second Level Consumers

Answer

Tertiary Consumers

Answer

Decomposers

Question 17

The transfer of food energy from one organism to the next in an ecological community

Accepted Answer

Food Chain

Answer

Energy Pyramid

Answer

Food Web

Answer

Food Pyramid

Question 18

When food chains overlap.

Accepted Answer

Food Web

Answer

Food Chain

Answer

Energy Pyramid

Answer

Food Pyramid

Question 19

An organism deriving its nutritional requirements from complex organic substances.

Accepted Answer

Heterotroph

Answer

Autotroph

Question 20

The process by which plants and plantlike organisms make food.

Accepted Answer

Photosynthesis

Answer

Synthesize

Answer

Enzymes

Answer

Carbon-Oxygen Cycle

Question 21

Microscopic, free-floating, autotrophic organisms that function as producers in aquatic ecosystems (plantlike).

Accepted Answer

phytoplankton

Answer

enzyme

Answer

producer

Question 22

An animal that hunts other animals for food.

Accepted Answer

Predator

Answer

Prey

Question 23

Animal hunted or caught for food.

Accepted Answer

Prey

Answer

Predator

Question 24

Consumers that eat first level consumers. Carnivores and Omnivores.

Accepted Answer

Second Level Consumers

Answer

First Level Consumers

Answer

Tertiary Consumers

Answer

Decomposers

Question 25

Tiny holes where oxygen is released from a plant

Accepted Answer

Stoma

Answer

Leaves

Answer

Chlorophyll

Answer

Chloroplasts

Question 26

Organisms that eat secondary consumers; also called tertiary consumers. Carnivore, omnivore or Scavenger.

Accepted Answer

Tertiary Consumers

Answer

First Level Consumers

Answer

Second Level Consumers

Answer

Decomposers

Question 27

Some organisms break down dead things for food. Which word describes these organisms?

Accepted Answer

decomposers

Answer

consumers

Answer

herbivores

Answer

producers

Question 28

How are decomposers like consumers?

Accepted Answer

They get their energy from producers or other consumers.

Answer

They provide energy to producers.

Answer

They must capture prey in order to survive.

Answer

They can make their own energy from sunlight.

Question 29

In the carbon dioxide-oxygen cycle, which organisms take in carbon dioxide and release oxygen as part of the process of making food?

Accepted Answer

plants

Answer

animals

Answer

consumers

Answer

plants and animals

Question 30

What is the primary source of energy for a producer?

Accepted Answer

sunlight

Answer

carbon dioxide

Answer

oxygen

Answer

soil

Question 31

People are part of food chains. What is the role of people in a food chain?

Accepted Answer

consumer

Answer

carnivore

Answer

decomposer

Answer

producer

Question 32

Why is an energy pyramid drawn as a triangle?

Accepted Answer

The higher the level is, the fewer the animals.

Answer

The higher the level is, the larger the organisms.

Answer

The higher the level is, the more important the animals.

Answer

The higher the level is, the more sucessful the predators.

Question 33

At each level of an energy pyramid, 90% of the energy received from the lower level is used for life processes. Only 10% is stored and can be passed up to the next level. Which of the following statements is correct?

Accepted Answer

Producers are the most numerous group of organisms.

Answer

One snake can feed many hawks.

Answer

Hawks should eat grass to obtain the most energy.

Answer

There must be the same number of plants as animals.

Question 34

A tree in the forest grows old and dies. It gradually falls apart inside, and finally falls over. In time, fungus is visible on the fallen log. What is this process called?

Accepted Answer

decomposition

Answer

ecosystem

Answer

molding

Answer

producing

Question 35

Which of these things can function as a decomposer?

Accepted Answer

fungus

Answer

bread

Answer

leaves

Answer

rotting meat

Question 36

A relationship between two organisms of different species in which each individual benefits from the activity of the other.

Accepted Answer

Mutualism

Answer

Commensalism

Answer

Parasitism

Question 37

A relationship between two organisms of different species in which one individual benefits and the other is unaffected.

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Question 38

A relationship between two organisms of different species in which one organism causes harm to another by living on or in it.

Accepted Answer

Parasitism

Answer

Mutualism

Answer

Commensalism

Energy and Ecosystems

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