10 Examples of Invertebrates | Their Pictures and Characters

Invertebrates are the animals which do not have a vertebral column in the body.

The vertebral column is a long bone enclosed column present on the dorsal side of the animals.

In this vertebral column, one of the essential organs of the body namely spinal chord is housed safely.

This vertebral column gives support to the entire animal’s body.

The vertebral column has ring-like bones arranged one over the other.

Examples of Invertebrates

  1. Insects
  2. Molluscs
  3. Arthropods
  4. Annelids
  5. Flat and roundworms
  6. Ctenophore (comb jellies)
  7. Cnidarians
  8. nematodes
  9. Echinoderms
  10. roundworms

Insects: These are six-legged animals with an ability to fly. They one of the largest class of animals. They do not have the vertebral column. They also lack the spinal cord, but instead, they possess an exoskeleton made of the cuticle.

Examples of insects include:

a)ButterflyExamples of Invertebrates

b) Mosquito

c) Housefly

d) Cockroach

e) Lice

f) Termites like those on dogs etc.

Molluscans: These are the animals which have flexible, soft and stout bodies. They are of different shapes and lack a vertebral column. Perhaps the presence of vertebral column in these animals would not permit their flexible nature of the body. Most of them are marine while few of them live in freshwater and land.

Examples include:

a) Snails 

b) Oyster.

c) Octopus

d) Starfish.

e) Slugs

f) Squid etc. These are also the examples of marine invertebrates.

Examples of echinoderms invertebrates:

a) Starfish

b) Sea cucumber

c) Sea Urchin.

Arthropods: These animals have many legs and the legs are jointed. They also include insects, but those without an ability to fly will be discussed here.

Examples include:

a) Scorpion

b) Crabs

c) Spiders

d) centipedes

Annelids: These animals creep and crawl on the ground. They have annules or rings on the entire body, i.e., their body is cylindrical with many rings like annules. They do not have legs and also a vertebral column.

Examples under annelids

a) Earthworms

b) Leeches

c) Rag-worms.

Flatworm/ roundworms: These are helminth parasites living in humans and other mammalian digestive tracts. They do not have limbs and also a vertebral column.

Examples of Platyhelminthes invertebrates:

a) Taenia solium

b) Ascaris

c) Wuchereria bancrofti.

From the list mentioned above, we can answer few questions like

1. Examples of parasitic invertebrates: These include helminth parasites, ectoparasites (leech), lice, etc.

2. Examples of mollusks invertebrates: Corals, Starfish, octopus, etc.

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