Life Science, Earth Science, and Physical Science Test

What is it called when a plant makes its own food? 

• producing
• photosynthesis
• herbivore 
• photoproducing

What does a plant need to make its own food?

• sunlight, water, carbon dioxide
• sunlight, water, soil
• sunlight, water, oxygen
• sunlight, oxygen, carbon dioxide

What do the arrows show in a food web?

• What animal eats what
• Transfer of energy
• Predator and prey relationships
• Transfer of food

How do carnivores get their energy if they don't eat plants?

• It's a trick question, they do eat plants
• From the sun and water
• From the animals they eat that do eat plans
• From decomposers

True or false, this is an example of a food web

• True
• False

What do all food chains and food webs start with?

• primary consumers
• producers
• secondary consumers
• tertiary consumers

Which are examples of producers?

• grass, leaves, algae
• the sun
• crickets, spiders, beetles
• mushrooms, fungi

What breaks down dead organisms? 

• predators
• decomposers
• consumers
• scavengers

Decomposers put what back into the soil?

• Dirt
• Food
• Energy
• Nutrients 

What are some examples of decomposers?

• earth worms, fungi, bacteria
• beetles, vultures 
• algae, phytoplankton