How Ecosystems Work

Multiple Select

_________________ is the process in which energy from the sun enters an ecosystem when plants use sunlight to make sugar molecules

• photosynthesis

• cellular respiration

Multiple Choice

True or False: Plants are also known as "producers."

• True

• False

Multiple Choice

Which of the following is NOT a producer?

• Moss

• Green Algae

• Turtle

• Pine Tree

Multiple Choice

Animals are consumers. They eat to get--

• efficiency

• energy

• essential

• extra

Multiple Choice

True or False: Animals rely on non-living things in their environment to survive.

• True

• False

Multiple Choice

What is the correct equation for cellular respiration?

• oxygen + sugar -> carbon dioxide + water + Energy

• carbon dioxide + sugar + Energy -> carbon dioxide + water

• carbon dioxide + water -> oxygen + sugar + Energy

• carbon dioxide + water + Energy -> oxygen + sugar

Multiple Select

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

• oxygen

• glucose

• carbon dioxide

• water

• energy

Multiple Choice

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

Multiple Choice

Example of a consumer

• worm
• bacteria
• mushroom
• hawk

Multiple Choice

Example of a decomposer

• fungus
• mouse
• plants
• frogs

Multiple Choice

A tree is a ....

• composer
• decomposer
• producer

Multiple Choice

Humans are considered...

• consumers
• decomposers
• producers

Multiple Choice

True or False: A worm is a decomposer.

• True

• False

Multiple Choice

Decomposers ____________ an ecosystem's leftovers. They break down plant and animal waste.

• recycle

• chew

• organize

• preserve

Multiple Choice

True or False: Major changes in an ecosystem are only caused by humans.

• True

• False

Multiple Choice

Which of the items listed is a composer

• grass

• bacteria

• tree

• squirrel

Multiple Choice

Which of the following pairs of organisms belong in the same population?

• a dog and a cat

• a marigold and a geranium

• a human mother and her child

• a spider and a cockroach

Multiple Choice

__________ is an organism that only eats plants for energy.

• Carnivore
• Herbivore
• Omnivore
• Terivore

Multiple Choice

__________ is an organism that only eats meat for energy.

• Omnivore
• Borivore
• Herbivore
• Carnivore

Multiple Choice

__________ is an organism that eats BOTH plants and animals for energy.

• Omnivore
• Darnivore
• Carnivore
• Herbiovre

Multiple Choice

Lions only eat buffalo, antelopes, zebras and crocodiles. They are called __________.

• Omnivore
• Herbivore
• Carnivore
• Delivore

Multiple Choice

Elephants only eat leaves, fruit, nuts and grass. They are called __________.

• Omnivore
• Fortivore
• Herbivore
• Carnivore

Multiple Choice

Which is the primary source of energy for plants?

• producer

• consumer

• decomposer

• sun

Multiple Choice

A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

Multiple Choice

Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

Multiple Choice

Grass is considered a ...

• consumer
• producer
• decomposer
• composers

Multiple Choice

An organism that gets energy from eating other organisms is a ______________

• producer
• consumer
• decomposer
• prey