Test Oct 18,2019 Ecosystem

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

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

• The population of deer will increase.
• The population of deer will decrease.
• The population of deer will remain the same.
• The population of deer will become extinct.

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

• fish
• gull
• algae
• worm

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.
• Tigers and Lions feeding on the same pray

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

• decomposer
• producer
• consumer
• Predeator 

Which statement about parasitism is most true?

• Both organisms benefit.
• Both organisms are negatively impacted.
• One organism benefits and the other is negatively impacted.
• One organism benefits and the other one is not affected.

What type of relationship exists between wolves who hunt together for food?

• cooperation
• mutualism
• parasitism

Which is an example of a parasitic relationship?

• a hummingbird getting nectar from a flower
• a lion chasing, killing and eating an antelope
• a tapeworm living inside a human’s intestines
• an ant protecting an acacia tree while living in it

Plants use the sunlight to make their own food. Therefore, plants are 

• Producers, which produce energy for the rest of the ecosystem.
• Consumers, consuming other living things in an ecosystem
• predators, top of the food chain

Abiotic or Biotic: Tree

• abiotic
• biotic