Question

Differentiate between invertebrates and vertebrates ?

Answer 1

The major difference between Vertebrates and Invertebrates is that Vertebrates(e.g human beings) have a backbone or spinal cord whereas invertebrates lack backbone.Vertebrates are always bilaterally symmetrical, while invertebrates could show either bilateral or radial symmetry

Answer 2

Answer:

INVERTEBRATE

1. Animals without the backbone
2. Insects, roundworms, tapeworms, Sponges, Annelids
3. (characteristics )1.No cell walls.
4. 2.Reproduce sexually.
5. 3. Multicellular.
6. 4.No backbone.
7. 5. Heterotrophic (which depends on other for food) or Parasitic.
8. Small and slow moving
9. Radial or bilateral
10. Simple and unorganised nervous system
11. They have only one layer of skin.
12. Usually, compound eyes are present and which are not outgrowth of the brain
13. 98% of animal species are invertebrates, which identified and counted around 2 millions and much more are yet to be identified.

VERTEBRATE

1. Animals with the backbone are called Vertebrates, their internal structure is made up of numerous bone.
2. Humans, elephant, birds, snakes, etc.
3. (characteristics )1.Presence of backbone.
4. 2.Cell walls present.
5. 3.Multicellular.
6. 4.Advanced nervous system.
7. 5.Well-developed internal skeleton.
8. 6.The outer covering of protective skin.
9. Vary in size from big to small.
10. Only bilateral.
11. Complexed and highly specified organs and their functions.
12. Two layers of skin, outer one in known is epidermis and beneath is dermis
13. No compound eyes found and eyes are the outgrowth of the brain
14. 2% of the animal species are vertebrates, which are around 57,739 only.

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