Apbiopenguins

If extracellular solution is isotonic, which direction will water move?

• Into cell

• Out of cell

• Both into and out of cell

• No water movement

The higher the solute concentration…

• the higher the water potential

• the lower the water potential

Where is the nitrogen in nucleic acids and proteins?

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Answer explanation

Nucleic acids’ monomer (nucleotide) have nitrogenous bases containing nitrogen.

Proteins’ monomer (amino acid) have the functional group of an amino.

What is the primary function of the penguin's unique feather structure?

• Insulation and waterproofing

• Camouflage in the snow

• Attracting mates

• Aiding in flight

Which adaptation helps penguins to swim efficiently?

• Webbed feet

• Long wings

• Streamlined body

• Thick blubber

What is the main diet of most penguin species?

• Fish and krill

• Seaweed

• Small mammals

• Insects

How do penguins keep warm in extremely cold environments?

• Huddling together

• Basking in the sun

• Shedding feathers

• Increasing metabolism

Which of the following is a common breeding behavior of penguins?

• Building nests from stones

• Laying eggs in trees

• Giving live birth

• Migrating to warmer areas

Tags

NGSS.MS-LS1-4

What role does the penguin's black and white coloring play?

• Camouflage from predators

• Attracting mates

• Regulating body temperature

• Signaling to other penguins

How do penguins primarily communicate with each other?

• Vocal calls

• Body language

• Color changes

• Scent marking