Exam1. term III- unit 3

Cacti have adaptations that help to live in the desert, where there is not much water.

• the thick stem stores water

• long roots can find water deep under the soil

• spines stop thirsty animals eating the cactus to get water

• all of the above

How do adaptations help animals?

• To escape animals

• to survive in their habitats

• to hunt for food

• All of these are correct

What is the function (job) of fish gills?

• What is the function (job) of fish gills?

• To make the fish lighter

• To absorb oxygen from the water

• Incorrect To make the fish faster

  
  

  To make the fish faster

This stick insect is using ________________ to blend in to it's environment.

• air

• camouflage

• terra

• synthesis

What is a producer?

• Organism that creates their own food.

• Organism that eat other dead organisms

• Organism that eat other organisms for energy

How many trophic levels are there in this food chain?

• 1

• 2

• 3

• 4

• 5

What is a consumer?

• Organism that creates their own food.

• Organism that eat other dead organisms

• Organism that eat other organisms for energy

The direction of the flow of energy in a food web is represented by ___.

• Light bulbs

• Arrows

• Dotted Lines

• Bubbles

Humans clear land to grow crops. This destroyed habitats and harms food chains.

• true

• false

What is Pollution?

• Increase in Earths temperatures

• Harmful substance in environment

• Decrease in oxygen in water