Science Boot Camp - Food Chains/Webs, Ecosystem Changes

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

• Hawk
• Spider
• Grasshopper
• Shrew

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

How many herbivores are in this web?

• 1
• 2
• 3
• 4

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

How many predators does the squid have?

• 1
• 2
• 3
• 4

Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

The way energy is passed from one organism to another

• food chain
• energy
• extinct
• habitat

What four things do every organism need for survival?

• food, water, dirt, and a hat

• shelter, water, food, and air

• air, sun, dirt, and water

• light, electricity, and worms

If a frog is the prey, what could be the predator?

• Grass
• Insect
• Snake
• Snail