Unit 7 Review

What is an example of an abiotic factor in an ecosystem?

• a rabbit

• water

• a mushroom

  
  

• a bacteria

Adult snakes prey on mice.  Which type of consumer is the snake?

• producer

• carnivore

• herbivore

• parasite

Hunters come in and kill most of the ducks.  How does it affect the population of algae and floating plants?

• increases

• decreases

• remains the same

• varies with no pattern

Which group has the most energy available? 

• A

• B

• C

• D

What are organisms that obtain nutrients by breaking down dead and decaying plants and animals called?

• decomposers

• omnivores

• autotrophs

• carnivores

What is an organism that can make its own food called?

• autotroph

• consumer

• decomposer

• heterotroph

A bear, who get their energy from both plants and animal, would be best classified as an ...

• Herbivore

• Omnivore

• Carnivore

• Autotroph

A jaguar is know in a certain forest for eating the Pink Lady Bird. The Pink Lady Bird is also a  cleaner bird and will regularly sit on Hippos to clean their ears of bugs. What is the relationship between the Pink Lady Bird and the Hippo?

• Mutualism

• Commensalism

• Predator/Prey

• Parasitism

A silk worm is kept by a certain species of ants. The silk worm is used by the ants to built a home in the trees for the ants. The ants gain materials to build their home and the silk worm is neither helped nor hurt. What is the relationship between the silk worm and the ants?

• Commensalism

• Predator/Prey

• Mutualism

• Parasitism

A certain fungus will spread its spores by controlling its host insect to climb to the tallest point it can before its head bursts, spraying spores everywhere. The fungus gets to spread its spores but the insect host dies. What kind of relationship is this?

• Predator/Prey

• Mutualism

• Parasitism

• Commensalism