Home
Class 11
BIOLOGY
Body cavity is the cavity present betwee...

Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm.Such animals are called

A

acoelomate

B

pseudocoelomate

C

coelomate

D

haemocoelomate

Text Solution

Verified by Experts

The correct Answer is:
b
Acoelomates are characterised by absence of coelom or body cavity while coelomates are those organisms where mesoderm lines the coelom. Pseudocoelomates are those, which have a body cavity (derived from blastocoel of embryo) but is not lined with mesoderm, e.g. roundworms.
Promotional Banner

Similar Questions

Explore conceptually related problems

Name the body cavity in which lungs are present.

In these animals, the female retain the eggs inside its body after fertillisation and allows the development of embryo inside the body without providing extra nourishment ot the developing embryo as the placenta is absent. Such animlas are called as

What type of body cavity a cockroach has?

Hypersensitivity of the body against some foreign particles is called _______.

The deformation produced in an elastic body by the application of some external force called ?

The deformation produced in an elastic body by the application of some external forces is called _____.

Which of the following statements is/are correct or incorrect regarding Class Amphibia? (i) Body is divisible into head and trunk. Tail is present in some amphibians. (ii) Show respiration by gills, lungs and through skin. (iii) Has scales in all its members. (iv) Can lead dual life (aquatic and terrestrial) (v) Has eyelids.

Body wall of Hydra is_______.

The given figures shown a cross section of the body of an invertebrate. Identify the animal which has such body plan.

In some animal groups, the body is found divided into compartments with serial repetition of at least some organs.This characteristic feature is called