Classification of Animals BIOLOGY - Classification of Animals

Why do adult amphibians tend to stay near water ?

What happens to the body temperature of a fish when the temperature of water drops ?

You are asked to classify an animal in the correct group. The animal has a soft body and arm-like tentacles. You dissect the animal and find that it has an internal shell. Is the animal a cnidarian or a mollusc ? Explain your answer.

How do fish exchange gases ?

Give two examples of Platyhelminthes.

How do warm-blooded and cold-blooded animals differ?

Why are mammals regarded as the most advanced animals ?

List two notable characteristic of birds that are not found in any other group of animals ?

Write a short note on annelids.

How are the bones of birds different from those of other vertebrates ?

Classify the given animals into different categories
Crab, millipede, butterfly, ant, scorpion, centipede, spider, lobster, moth, prawn into arachnids, crustaceans, myriapods and insects.

Classify the given animals into different categories
jellyfish, liver fluke, pin worm, As car is, tapeworm, Hydra, sea anemone into cnidarians, Platyhelminthes and Nemathelminthes.

How will you classify animals according to the food they eat ?

What is an exoskeleton ? How is it different from a backbon

Differentiate between
Insects and crustaceans

Each animal drawn below is an invertebrate. Fill in the characteristics of each one.

Given below are groups of animals, and their characteristics features
Porifera : porous animals, have tentacles, fixed to surface
2. Amphibia : cold blooded, lungs in adults, scaly skin
3. Aves : cold blooded, wings, feathers, bones with large air spaces
4. Pisces : live in water, scaly skin, warm blooded, fins for swimming

List four characteristics of reptiles.

Write two characteristics each of
a. birds
b. amphibians
c. reptiles
d. mammals

Name the different classes of arthropods. Write one characteristic feature of each class.

Reptiles have a wet skin. They lay eggs that have a hard shell

Fish have fins, scales and they breathe through gills.

Insects belong to class amphibia.

Arthropods have a soft, outer covering called endoskeleton.

A tapeworm is a flatworm that lives in the human intestine.