Grade 2 science worksheet on animal classification focusing on mammals, with activities to circle descriptive words and identify mammals from illustrated animals.

Let's solve this Grade 2 Science Worksheet on Animal Classification: Mammals step by step.

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🔹 Part 1: Circle the words that describe mammals.

We are given a grid of 9 phrases. We need to identify which ones describe mammals.

Let’s go through each one:

| Phrase | Is it true for mammals? | Explanation |
|-------|-------------------------|-----------|
| cold-blooded | ✘ No | Mammals are warm-blooded. Cold-blooded animals include reptiles, amphibians, and fish. |
| has sweat glands | ✔ Yes | Many mammals (like humans) have sweat glands to regulate body temperature. |
| breathes through their gills | ✘ No | Gills are for fish. Mammals breathe with lungs. |
| with fur or hair | ✔ Yes | All mammals have fur or hair at some stage of life. |
| vertebrates | ✔ Yes | Mammals have backbones — they are vertebrates. |
| has antennae | ✘ No | Antennae are found in insects and some arthropods, not mammals. |
| often with wings | ✘ No | While birds and bats have wings, only bats are mammals with wings. This is misleading and not generally true for mammals. |
| warm-blooded | ✔ Yes | Mammals maintain a constant body temperature — they are warm-blooded. |
| produce milk for babies | ✔ Yes | This is a key trait of mammals — they produce milk to feed their young. |

✔ So, the correct words to circle are:
- has sweat glands
- with fur or hair
- vertebrates
- warm-blooded
- produce milk for babies

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🔹 Part 2: Circle the animals that are mammals.

Now look at the six animals shown:

1. Vulture → 🐦 Bird → ✘ Not a mammal
2. Lion → 🦁 Mammal → ✔ Yes
3. Cat → 🐱 Mammal → ✔ Yes
4. Gorilla → 🧍‍♂️ Mammal → ✔ Yes
5. Snake → 🐍 Reptile → ✘ Not a mammal
6. Camel → 🐫 Mammal → ✔ Yes

✔ So, the animals that are mammals are:
- Lion
- Cat
- Gorilla
- Camel

> Note: The vulture and snake are not mammals.

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✔ Final Answers:

#### Part 1: Circle these words:
- has sweat glands
- with fur or hair
- vertebrates
- warm-blooded
- produce milk for babies

#### Part 2: Circle these animals:
- Lion
- Cat
- Gorilla
- Camel

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💡 Key Features of Mammals (for learning):

- Warm-blooded
- Have fur or hair
- Produce milk for babies
- Most give birth to live young (except monotremes like platypus)
- Have lungs and are vertebrates

This worksheet helps kids learn how to classify animals based on traits! 🐾