Interdependence Review

How will humans be affected if phytoplankton goes extinct?

• There will be more oxygen.
• There will be the same amount oxygen
• There will be more carbon dioxide
• There will be less carbon dioxide

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Which organisms compete for the same food?

• Rabbits and mice
• Rabbits and foxes
• Mice and grasshoppers
• Grasshoppers and owls

A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 

• Mutualism 
• Parasitism 
• Commensalism 

Which is an example of biotic and abiotic factors interacting together in an ecosystem?

• Bear eating a fish
• A bird using twigs to build its nest
• A plant bending toward the light

Which of the following would best be identified as a predator/prey relationship?

• Dog --> Dragonfly
• Grass --> Cow
• Mouse --> Hawk
• Chipmonk --> grass

Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition

Energy increases as you move up the food pyramid (from producer up through tertiary consumer).

• True 
• False

Temperature is an example of...

• Biotic factor
• Abiotic factor

Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for (trying to get) the same source we call this____?

• Population
• Resources
• Community
• Competition