Ecosystems

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

How many primary consumers are there in this food web?

• 1
• 2
• 3
• 4

How many herbivores are in this web?

• 1
• 2
• 3
• 4

Which of the following is NOT and example of how biotic factors interact with abiotic factors in an ecosystem?

• A lion preys on a herd of gazelle.
• Plants remove CO2 from the air.
• Animals cause erosion by digging.
• A lizard raises its body temperature by using heat from the sun.

Temperature, light, air, water, and soil are all _____ parts of the environment

• alive

• biotic

• abiotic

• living

What is an example of a biotic factor?

• skunk

• rocks

• soil

• water