Question

Birds are uniquely classified from other organisms because they all(1 point)
Responses

have wings.
have wings.

eat seeds.
eat seeds.

have feathers.
have feathers.

lay eggs.
lay eggs.

Answer 1

Snails and beetles have exoskeletons. Hypothesize the advantages and disadvantages of having an exoskeleton rather than a backbone. Explain your answer in one or two sentences.

Answer 2

Vertebrates include fish, amphibians, reptiles, birds, and mammals. Analyze the common characteristics of reptiles and explain how they differ from mammals. Explain your answer in one or two sentences.

Answer 3

All of the above

Answer 4

Advantages of having an exoskeleton include protection from physical injury and the ability to retain moisture, while disadvantages include limited growth potential and inflexibility compared to having a backbone.

Answer 5

Common characteristics of reptiles include scaly skin, cold-bloodedness, and laying shelled eggs, while mammals have hair or fur, are warm-blooded, and give birth to live young.