Ecology Review Game

According to the data, in which year did the population of cabbage moths show a decrease that is most likely the result of a decrease in the availability of a source of food?

• 2015

• 2016

• 2018

• 2020

Which organism in the food web receives the least amount of energy from the producers?

• Rabbit
• Mouse
• Grass
• Hawk

Which of the following organism in this food web obtains energy from both producers and consumers?

• Weakfish
• Sand Shrimp
• Mussels
• Algae

Using the food web to the left, which of the following is most likely to lead the greatest decrease in the deer mouse population?

• an increase in the owl populations
• an increase in the grass population
• an increase in the pine tree population
• an increase in the cottontail population

Animals, such as fiddler crabs, show their giant claws to scare other crabs away from their territory. This is an example of what type of relationship?

• predation

• commensalism

• competition

• mutualism

What best describes the type of relationship that occurs between grasshoppers and mice? 

• Commensalism
• Predation
• Mutualism
• Competition

What's missing from the food web?

• decomposers
• producers
• consumers
• autotrophs

Epiphytes are plants that grow on other plants. They do not harm the plants that they grow on. Instead they obtain what they need for survival from the air and the sun. Which of the following is the relationship between orchids and tropical rain forest trees?

• mutualism

• commensalism

• parasitism

• predation

Which of the following correctly lists the flow of matter in the food web above? 

• plants, animals, nematodes, arthropods
• animals, nematodes, arthropods, plants
• plants, nematodes, arthropods, animals
• nematodes, plants, arthropods, animals

Sharks are hunted for their fins . Sharks grow slowly and take years to reproduce. If the shark population decreases, what would happen to the fish populations that they eat?

• Their population will grow too large.

• They will die out.

• They will move.

• They will become sharks.