Why do plants appear green?

Chlorophyll reflects green light.

They use green light for energy.

They absorb all colors of light.

Green light is harmful to plants.

What are the inputs of cellular respiration?

Energy(ATP), water, and carbon dioxide

Energy(ATP), oxygen and carbon dioxide

What are the results of cellular respiration?

Energy(ATP), water, and carbon dioxide

Energy(ATP), oxygen and carbon dioxide

What is the law of conservation of energy?

Energy cannot be created or destroyed, only transformed.

Energy can be created and destroyed.

Energy can be created but not destroyed.

Energy can only be destroyed but not created.

What is chemosynthesis?

The process of using chemicals to make food

The process of using sunlight to make food

The process of breaking down food into energy

The process of storing energy in plants

Which of the following organisms primarily use chemosynthesis?

Bacteria near hydrothermal vents

What is the role of arrows in illustrating a food chain?

Indicating the transfer of energy from one organism to another

Showing the direction of animal migration

Demonstrating the lifespan of organisms

What is a primary difference between a food web and a food chain?

A food web illustrates multiple feeding relationships

A food web shows a single feeding relationship

A food chain includes only plants

A food chain includes only animals

What is an energy pyramid?

A diagram that shows how energy flows through a food chain

A map that shows the location of animals

A chart that lists different types of plants

A graph that measures the speed of animals

The process of a liquid turning into a gas(water vapor)

The process of a solid turning into a liquid

The process of gas(water vapor) turning into a liquid

The process of a gas(water vapor) turning into a solid

What is condensation?

The process of gas (water vapor) turning into a liquid

The process of a liquid turning into a gas (water vapor)

The process of a solid turning into a liquid

The process of a gas(water vapor) turning into a solid

What is precipitation in terms of the water cycle?

The release of water from clouds in the form of rain, snow, sleet, or hail

The process where water vapor turns into liquid water

The movement of water from plants to the atmosphere

The absorption of water by the soil

What is nitrogen fixation?

The process that changes atmospheric nitrogen into nitrogen compounds that are usable by living things.

The process of plants releasing nitrogen into the soil

The absorption of nitrogen gas by animals

The breakdown of nitrogen compounds in the water

How do animals and humans primarily acquire carbon?

By eating plants or other animals

By absorbing carbon dioxide directly from the air

What is the role of decomposers in the carbon cycle?

b. They release carbon dioxide by breaking down dead organisms.

a. They absorb carbon dioxide from the atmosphere.

c. They store carbon in their bodies.

d. They convert carbon dioxide into oxygen.

How do plants contribute to the oxygen cycle?

By releasing oxygen during photosynthesis

By absorbing oxygen during photosynthesis

By absorbing carbon dioxide during respiration

By releasing carbon dioxide during photosynthesis

What is the role of animals in the oxygen cycle?

They absorb oxygen to produce energy and release carbon dioxide

They release oxygen into the atmosphere

They convert oxygen into nitrogen

They do not play any role in the oxygen cycle

What is the greenhouse effect?

The trapping of heat in Earth's atmosphere by greenhouse gases

The process by which plants convert sunlight into energy

The reflection of sunlight back into space by clouds

The warming of Earth due to volcanic activity

Matter and Energy in Ecosystems Test

8th Grade

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Matter and Energy in Ecosystems Test

40 questions

Is a series of chemical reactions that convert light energy , water and carbon dioxide into the food energy molecule glucose , and give off oxygen.

All of the living and non living things in a given area.

Is a series of chemical reactions that convert the energy in food molecules in to usable form of energy called ATP.

Is a process by which glucose , a sugar, is broken down into smaller molecules.

What do plants need for photosynthesis to occur?

What are the results of photosynthesis?

Where does photosynthesis take place?

Why do plants appear green?

Which part of the cell is also involved in energy creation along with mitochondria?

What is the powerhouse of a cell?

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