Animal Construction
Animal Construction: Overview
This topic describes the body plan, symmetry, segmentation, notochord and level of organisation of animals. It discusses the features of animals and their significant parts. We will also study the basis of classification of the animal kingdom.
Important Questions on Animal Construction
Organisms, attached to substratum generally possess
Give example of organism who possess cell aggregation.
Tube within tube type of body plan is found in Aschelminthes upto chordata.
Tube-within-tube body plan is shown by _____.
Name the phylum that shows tube within tube organisation.
Mention the characteristics of body plan of protostomes.
Draw the hierarchical organisation of the body of living organisms.
Statement (S) : Bilaterally symmetrical animals are less efficient than the other animals in seeking food and locating mates because of cephalization.
Reason (R): Cephalization is developed in bilaterally symmetrical animals.
The correct answer is:
Statement : Symmetry of an organism is determined based on the symmetry of the early developmental stages and not that of the adults.
Reason : Bilaterally symmetrical animals are more efficient in seeking food, locating mates and avoiding predators.
Which of the following is true?
The first animals which exhibit "Tube with in a tube" organisation are
What do you mean by asymmetric symmetry?
In the word 'organisation' only applicable to living things? Justify your answer.
Anus develops first in the embryo and mouth is formed later. It is called
How is classification helpful in the study of the living world?
When any plane passing through the central axis of the body divides the organism into two identical halves, it is called _____.
