Intro To Animals

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Question 1: Are spiders insects?

• No

• Yes

Answer explanation

No. Insects have 6 legs and a pair of antennae; spiders have 8 legs and no antennae.

Are octopuses a type of fish?

• No

• Yes

Answer explanation

No. Octopuses are not vertebrates (no spinal column) so they are not fish.

Do amphibians (like salamanders) have scales?

• No

• Yes

Answer explanation

No. In contrast to scales, their skin is thin and permeable; they can even partially breathe through their skin.

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Is a gecko a type of amphibian?

• No

• Yes

Answer explanation

No. They’re lizards, which are a type of reptile. It has scales and breathes with lungs.

Do all birds have feathers, including those that cannot fly like penguins?

• No

• Yes

Answer explanation

Yes. All birds have feathers and feathers are unique to birds. They have scales too (like reptiles) but are warm-blooded (unlike reptiles).

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Are whales a type of fish?

• No

• Yes

Answer explanation

No. Whales and dolphins are mammals. They have lungs (not gills), and their tails go up and down (not side to side like fish).

Is a 1-cell swimming organism an animal?

• No

• Yes

Answer explanation

No. An animal has more than 1 cell.

Are corals (colorful rock-like underwater structures that can’t move) animals?

• No

• Yes

Answer explanation

Yes. They filter the water for small organisms and eat them; they cannot make food using sunlight (which plants do) and they’re made of more than 1 cell.

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