Marine Birds Review

What is the primary focus of the document titled "Marine Birds Notes"?

• Marine mammals

• Marine birds

• Marine reptiles

• Marine fish

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What adaptation do many water birds have that is different from land birds?

• Sharp claws for climbing

• Webbed feet for swimming

• Colorful feathers for mating

• Strong beaks for cracking nuts

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Which adaptation helps some water birds wade through water?

• Long legs

• Short wings

• Thick beaks

• Curved claws

How do penguins use their wings differently compared to other birds?

• For flying long distances

• As flippers for swimming

• To dig for food

• To attract mates

What combination of features do birds use to fly?

• Heavy bones and slow wing movement

• Light weight bones, wing design, feather design, and rapid wing movement

• Thick feathers and stationary wings

• Heavy bones and rapid wing movement

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How do birds manage to fly and glide for hours once airborne?

• By flapping their wings constantly

• Through the aerodynamics of their body, wings, and tail

• By using their beaks to steer

• By resting frequently

What is the purpose of the air spaces in a bird's bones?

• To increase weight

• To reduce weight while maintaining strength

• To store nutrients

• To produce blood cells

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What is the function of the extrarenal pair of salt glands in marine birds?

• To produce a concentrated solution of sugar

• To produce a concentrated solution of salt

• To produce a concentrated solution of water

• To produce a concentrated solution of protein

What does the shape of a bird's beak indicate?

• The bird's color

• The bird's size

• How a bird feeds and what it feeds on

• The bird's habitat

Which of the following factors affects nesting success?

• Weather conditions

• Predator densities

• Food availability

• Migration patterns

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