Marine Year in Review

What is the definition of Symbiosis?

• A close, permanent relationship between two or more different species

• A long distance, temporary relationship between two or more different species

• A community of animals with little to no interaction with one another

• A relationship between a parent and offspring of the same species

A remora will hitch a ride on a manta ray. What is this an example of?

• Commensalism

• Competition

• Mutualism

• Parasitism

Some isopods have been known to crawl into the mouth of a fish, devouring it's tongue and stealing some of its food. What is this an example of?

• Predation

• Competition

• Parasitism

• Commensalism

Clownfish are often found living in sea anemones. The clownfish keeps the anemone free of parasites and predators, and the anemone gives the clownfish a home and food scraps. What is this an example of?

• Mutualism

• Predation

• Competition

• Parasitism

What is the definition of a Hypothesis?

• An educated guess

• An uneducated guess

• A testable explanation to a question

• Wishful thinking

Which of the following variables are YOU in control of changing?

• Independent Variable

• Dependent Variable

• Constants

• Facts

Peyton wants to see if the salinity of water affects the population numbers of anchovies in a local body of water.

What would be the INDEPENDENT variable in his experiment?

• Biomass of aquatic plants

• Level of salinity in a given area

• Water temperature

• Total number of fish observed

Peyton wants to see if the salinity of water affects the population numbers of anchovies in a local body of water.

What would be the DEPENDENT variable in his experiment?

• Biomass of aquatic plants

• Level of salinity in a given area

• Water temperature

• Total number of fish observed

Which of the following are considered Pioneer Species?

Select all that apply!

• Moss

• Algae

• Bacteria

• Humans

Why does the equator have a higher temperature than the poles?

• The Earth is round in shape, so heat from the sun hits the equator more directly

• The Earth is tilted on its axis, so it heats unevenly

• There is more land at the equator, so it heats up faster

• The poles are always in darkness, the sun never warms them