9/10 M.Bio_ReadingAssessment3

What was the hypothesis about the advantages of amphipods kidnapping sea butterflies?

• To use them as a food source

• To protect themselves from predators

• To use them for transportation

• To attract mates

What was the response of predatory fish when they were given sea butterflies to eat?

• They eagerly consumed the sea butterflies.

• They showed no interest in the sea butterflies.

• They avoided the sea butterflies.

• They became more aggressive.

What did the researchers use to form food pellets for the control fish?

• Cornmeal

• Soybean meal

• Fish meal

• Wheat flour

What was the response of the experimental fish to the pellets with the homogenate?

• The fish ignored the pellets.

• The fish showed increased activity.

• The fish avoided the pellets.

• The fish showed no change in behavior.

What is the term used by biologists to refer to the unique case of symbiosis described in the passage?

• Mutualism

• Commensalism

• Parasitism

• Endosymbiosis

The role an organism plays in its environment, in a sense its “profession,” is its ________.

• niche

• habitat

• ecosystem

• community

Interactions with other organisms and the physical environment limit an organism to a smaller part of the niche called its ________.

• realized niche

• habitat

• ecological niche

• fundamental niche

What are the major categories of symbiotic relationships?

• Mutualism, Commensalism, Parasitism

• Predation, Competition, Herbivory

• Photosynthesis, Respiration, Fermentation

• Osmosis, Diffusion, Active Transport