Science Evaluation

What do you call animals that are warm-blooded, have fur or hair, and usually give birth to live babies?

• Birds

• Reptiles

• Mammals

• Fish

Answer explanation

Mammals are warm-blooded, have fur or hair, and most give birth to live babies. They also produce milk to feed their young.

Which of the following characteristics do mammals have?

• They have feathers.

• They lay eggs.

• They can breathe underwater.

• They drink milk from their mothers.

Answer explanation

A key characteristic of mammals is that they nurse their young with milk produced by mammary glands.

What do you call animals that have feathers, wings, and beaks?

• Amphibians

• Birds

• Mammals

• Insects

Answer explanation

Birds have feathers, wings, and beaks, which are all distinguishing features of this class of animals.

Which of the following is NOT a characteristic of birds?

• They can fly.

• They have feathers.

• They lay eggs

• They give birth to live babies.

Answer explanation

Most birds lay eggs, so giving birth to live young is not a characteristic of birds; mammals are known for live births.

What do you call animals that live in water, have scales, fins, and gills to breathe?

• Fish

• Amphibians

• Reptiles

• Invertebrates

Answer explanation

Fish live in water, have scales, fins, and gills for breathing underwater. They are the only animals that possess all these features.

What do you call animals that do not have a backbone?

• Mammals

• Invertebrates

• Birds

• Reptiles

Answer explanation

Invertebrates are animals that don't have a spine or backbone. Examples include insects, spiders, and many marine animals.

Sloth belongs to what type of animals?

• Mammals

• Amphibians

• Reptiles

• Fish

Answer explanation

Sloths are mammals because they are warm-blooded, have hair, and give birth to live young.

Mantis Shrimp belongs to what type of animals?

• Mammals

• Invertebrates

• Fish

• Reptiles

Answer explanation

Mantis shrimp are invertebrates as they have no backbone. They are crustaceans found in marine environments.

Seahorse belongs to what type of animals?

• Fish

• Mammals

• Reptiles

• Invertebrates

Answer explanation

Seahorses are fish because they have gills and live underwater, like other members of the fish group.

Platypus belongs to what type of animals?

• Fish

• Invertebrates

• Amphibians

• Mammals

Answer explanation

The platypus is a mammal because it produces milk to feed its young, even though it lays eggs. It's one of the few egg-laying mammals, called monotremes.