Question

Write 2 ways in which we can sort animals into different groups.​

Answer 1

Answer:

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Explanation:

A species is a group of animals that are more like each other than they are like any other group of animals. They can breed with each other but not with members of other species. A way of sorting through all those species is to organize them by similar properties, or characteristics

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Answer 2

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There are at least five million species on Earth, and some scientists believe there could be double that number. A species is a group of animals that are more like each other than they are like any other group of animals. They can breed with each other but not with members of other species. A way of sorting through all those species is to organize them by similar properties, or characteristics. This process is called classification. The following is a list of properties for each group of animals.

Mammals

• give birth to their young and feed them with milk.
• have hair on at least part of their body.
• have four limbs with digits ending in claws, nails, or hooves (except whales).
• breathe with lungs.
• are warm-blooded.

Birds

• lay eggs with a hard shell.
• are covered with feathers.
• have a beak.
• have two legs.
• have two wings used for flying (ostriches and penguins are flightless).
• have hollow bones.
• are warm-blooded.

Reptiles

• lay eggs with leathery shells or give birth to fully-formed young.
• breathe with lungs.
• are covered with scales.
• have no legs or four legs with clawed toes.
• are cold-blooded.

Amphibians

• lay eggs, usually in a jelly-like mass in water.
• breathe with lungs, gills, and/or their skin.
• have smooth skin without coverings.
• have four legs without claws or nails on toes.

are cold-blooded.

Insects

• have three body parts: head, thorax and abdomen.
• have a single pair of antennae on the head.
• have three pairs of legs originating from the thorax.
• often have wings and can fly.

Fish

• lay eggs without shells in water.
• breathe with gills.
• are covered with scales or smooth, leathery skin.
• have fins but no legs or toes.
• are cold-blooded.