NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM ANIMALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are invertebrates?
A
Animals with an endoskeleton
B
Animals with an exoskeleton
C
Animals with a backbone
D
Animals without a backbone
Explanation: 

Detailed explanation-1: -The animals that do not possess backbones are known as vertebrates. These animals are mostly soft-bodied. For example Earthworms, snails, sponges, etc.

Detailed explanation-2: -invertebrate, any animal that lacks a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. More than 90 percent of all living animal species are invertebrates.

Detailed explanation-3: -Invertebrates that you may be familiar with include spiders, worms, snails, lobsters, crabs and insects like butterflies.

Detailed explanation-4: -HOW DO ANIMALS SURVIVE WITHOUT BONES? Insects, crustaceans, and many other invertebrates have a hard outer case called an exoskeleton. This protects them against blows and predators, and keeps them from drying out.

Detailed explanation-5: -Invertebrates range from spiders and scorpions to centipedes and millipedes, crustaceans, insects, horseshoe crabs, worms, leeches, earthworms, marine bristle worms, mussels and clams, snails, squid and octopi, sea anemones and corals, among others.

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