8.L.3.2 Review

Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu can die because they are starved of sunlight. What type of relationship exists between the trees and the kudzu growing on them?

• competition

• mutualism

• parasitism

• predator-prey

Which of these organisms is a producer in a marine ecosystem?

• fish

• gull

• algae

• worm

Which is an example of parasitism?

• cat and mouse

• tadpole and frog

• human and tapeworm

• caterpillar and butterfly

The diagram above shows a forest food web. If deer were introduced into this ecosystem, which would most likely occur first?

• The beetle population would decrease.

• The grass population would decrease.

• The robin population would decrease.

• The snake population would decrease.

Which would most likely be the top predator in a food web?

• seagull

• seaweed

• crab

• plankton

Which statement about parasitism is most true?

• Both organisms benefit.

• Both organisms are negatively impacted.

• One organism benefits and the other is negatively impacted.

Which best describes mutualism?

• Ticks live and feed on dogs and other animals’ blood to survive.

• Mushrooms send out long, underground structures which allow them to grow in other areas.

• Ants attack animals that try to feed on the acacia tree, and the ants feed on the nectar of the tree.

As a dog walks through thick brush, a tick attaches to its leg. Which best describes the relationship between the dog and the tick?

• parasitism

• mutualism

• commensalism

• predator-prey

Dead matter and waste would pile up without which type of organism?

• consumer

• decomposer

• producer

Which term best describes two predators living in the same habitat who feed on the same prey?

• coexistence

• competition

• mutualism

• parasitism