Which of These Animals Is Correctly Matched with Its Type

question 77

Multiple Choice

Which of these animals is correctly matched with its type of skeleton?

• A) Earthworm/endoskeleton
• B) Shark/hydroskeleton
• C) Bird/exoskeleton
• D) Mayfly/hydroskeleton
• E) Lobster/exoskeleton

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Definitions:

Leks

Social systems or gatherings in some species where males congregate to engage in competitive displays and courtship behavior to attract mates.

Sage Grouse

A species of grouse native to sagebrush ecosystems of western North America, known for their elaborate courtship rituals.

Fiddler Crabs

A type of crab known for their sexually dimorphic claws, where males possess one enlarged claw used for communication and contests during mating rituals.

Oxytocin

Posterior pituitary hormone that acts on smooth muscle of the reproductive tract and breasts.