Question

Which are the criteria used
for classification of plants
and animals. ?​

Answer 1

Answer:

Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships.

Answer 2

Criteria for animal classification are:

1. Symmetry: Animals are radially symmetrical, bilaterally symmetrical or asymmetrical.

2. Segmentation: Animals may or may not have segmented body.

3. Appendages: Animals may have organs or parts attached to the trunk or outer body wall.

4. Skeleton: Animals may have exoskeleton or endoskeleton.

5. Embryonic development:

6. Circulatory system: Animal may have open or closed circulatory system.

7. Body cavity: Animals may be coelomate, psuedocoelomate or acoelomate.

8. Habitat: Animals may be terrestrial or aquatic. Aquatic animals may live in either fresh water or sea water.

9. Germ layers: Animals may be diploblastic or triploblastic.

Criteria for classification of plants are:-

1) Seed bearing or spore bearing

2)Angiosperms or Gymnosperms

3) Vascular or Non-Vasculat plants

Plants are also classified as ‘grasses’, ‘herbaceous plants’, ‘woody shrubs’ and ‘trees’. Plants are also treated as all ‘algae and fungi’ were treated as ‘plants’ and all living things that were not animals.

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