Unit Test

Question 2 of 25 • 2026 Summer 305 CR_2002070-M/J Comprehensive Science 2

Which is the best example of commensalism?

Answer

Honey bees feed on the pollen of cornflowers and help the flowers reproduce.

Barnacles ride on a gray whale’s back to obtain food, and the whale is not harmed.

Squirrels and chipmunks eat the same nuts in a forest where food is scarce.

Prairie dogs often collect and eat food in groups so they are better protected from enemies.

Unit Test

Assignment

Assignment

QuizMultiple Choice

Question 2 of 25 • 2026 Summer 305 CR_2002070-M/J Comprehensive Science 2

Answer

Honey bees feed on the pollen of cornflowers and help the flowers reproduce.

Barnacles ride on a gray whale’s back to obtain food, and the whale is not harmed.

Squirrels and chipmunks eat the same nuts in a forest where food is scarce.

Prairie dogs often collect and eat food in groups so they are better protected from enemies.

Unit Test

Assignment

Assignment