Which of these features is rare in the animal kingdom, making dolphin communication unique?

• Dolphins can communicate about predators and threats.

• Dolphins can communicate about the location of food.

• Parts of dolphin communication are learned through experience.

• Dolphin communication is based on sound.

Which of the following is NOT true about vocal learning?

• Vocal learning is the ability to change vocalizations based on experience.

• Humans use vocal learning.

• Dolphins are the only non-human animal to use vocal learning.

• Signature whistles are strong evidence of vocal learning in dolphins.

Why does the humerus bone differ so greatly across species?

• Environmental adaptations

• Weight and structural support needs

• Social behaviors and general range of motion

• All of the above

Tags

NGSS.MS-LS4-2

What is the main function of the humerus in whales?

• Provide extra body weight support and strength for the bone

• Act as a defense mechanism

• Aid in movement and range of motion

• Assist in finding food

Shark’s teeth are white, so why do we find black or brown teeth washed up on the beach?

• The tooth is dead

• The tooth was stained

• The tooth is a fossil

• None of the above

Tags

NGSS.MS-LS4-1

You found a shark tooth that is long, pointed, and recurved. What is likely a prey source for this shark species?

• Krill

• Eel

• Mackerel

• Clam

Tags

NGSS.MS-LS4-2

Where will scientists typically look for and find animal tracks?

• Areas with hard ground, like cities.

• Areas or habitats with lots of soft ground.

• In open water, like lakes and oceans.

• In buildings

Explain these tracks:

• An animal being hunted by a predator.

• A group of sea turtles migrating.

• A mother polar bear traveling with its cubs.

• Multiple adult penguins migrating.

What do we call the expression of genotypes?

• Phenotype

• Photosynthesis

• Homozygous

• Genes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the term for parents with different genotypes?

• Heterozygous

• Homozygous

• Phenotypes

• Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2