Evidence-Based Classification

Question 1

During a science camp, Maya finds a tiny animal swimming in a shallow garden pond. She records three observations: (1) the animal’s skin is smooth, soft, and seems to soak up water; (2) it has long hind legs with webbed feet; (3) it deposits a clutch of jelly‑like eggs that stick to floating leaves. Which group best classifies this animal?

Accepted Answer

Amphibian

Answer

Reptile

Answer

Fish

Answer

Mammal

Question 2

A newly discovered organism shows several observable features. Which characteristic would be the best evidence to classify it as a plant rather than an animal?

Accepted Answer

It has cell walls made of cellulose.

Answer

It has feathers covering its body.

Answer

It has a backbone made of bone.

Answer

It produces milk to feed its young.

Question 3

An unfamiliar animal has these characteristics: it has a backbone, lays eggs, has feathers, and can fly. Which of the following best classifies this organism and gives a correct reason for that classification?

Accepted Answer

It is a bird because it has feathers and can fly.

Answer

It is a mammal because it has a backbone and lays eggs.

Answer

It is a reptile because it has a backbone and lays eggs.

Answer

It is an insect because it can fly and has a backbone.

Try three questions

A newly discovered organism shows several observable features. Which characteristic would be the best evidence to classify it as a plant rather than an animal?

An unfamiliar animal has these characteristics: it has a backbone, lays eggs, has feathers, and can fly. Which of the following best classifies this organism and gives a correct reason for that classification?

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