1/11/21 Starter

Which ecosystem has a wide variety of plants and animals?

• tropical rainforest

• desert

• grassland

• tundra

If a farmer sprays poison on crops to kill insects, what will happen to the hawks and lizards?

• lizards will increase

• hawks will decrease

• both will stay the same

• both will decrease

Which system processes nutrients in foods into energy for our body?

• muscular

• digestive

• skeletal

• respiratory

Which ecosystem would contain fish that can only survive in freshwater?

• lake

• ocean

• estuary

Decaying plants and animals are important to an ecosystem because they

• cause disease

• reduce erosion

• recycle oxygen

• return nutrients to the soil

Which process do producers use to get food?

• condensation

• evaporation

• runoff

• photosynthesis

What is the main source of energy in many ecosystems?

• water

• the sun

• consumers

• producers

What is an effect of construction on a forest?

• decrease in sunlight

• increase in food

• increase in trees/plants

• decrease in nesting places

Which is an example of an inherited behavior?

• dog rolls over for a treat

• cat jumps through a hoop

• bird builds a nest

• dog brings his owner a newspaper

Which is an example of a non-inherited trait?

• dimples

• blue eyes

• your beliefs

• black hair