balance in nature

The oxygen in the atmosphere comes from:

• plants

• oil and coal

• decomposers

• animals

Why do animals constantly consume other organisms?

• Animals store extra food they consume so they can hibernate.

• Animals only receive a small amount of energy from other organisms.

• Animals are constantly hungry.

• Animals need to eat all the time for growth.

Why do you see some animals in different food chains?

• Some animals consume more than one type of organism.

• Some animals can jump from one food chain to another depending on the season.

• Some animals are food source for different types of decomposers.

• Some animals eat more because they are bigger.

What is a producer? 

• Organism that creates their own food.
• Organism that eat other organisms for energy
• Organism that eat other dead organisms

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer

A food chain is:

• an animal that eats only plants.

• a diagram that shows how energy moves from one organism to another. (Grass>Mouse>Owl)

• An animal that is hunted and eaten by another animal.

which one is a Producer?

• 
• 
• 
• 

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment
• population

What are two components of natural environment?

• Biotic and abiotic

• biotic and living things

• Non-living things and earth

• sun and moon

Why animals and humans need food ?

• They need food to respond to changes

• They need food to give their bodies energy

• They need food to make flowers

• They need food to get sick