Question

16 How many of the following are correct and incorrect about the characteristics of pore bearing animals
a) Mostly sessile but some are free swimming
b) A primitive network of nervous system present
c) Water canal system helps for defence, prey capture and anchorage
d) Hermaphrodites, sexual reproduction, internal fertilisation and indirect development
e) Remarkable power of regeneration
1) 2 are incorrect but 3 are correct
2) 3 are incorrect but 2 are correct
3) 4 are correct but 1 is incorrect
4) 4 are incorrect but 1 is correct
of sony glandular layer of skin that covers the visceral hump, secrete​

Answer 1

Answer:

Explanation:

2nd option 3 are incorrect but 2 are correct

Answer 2

Phylum porifera include Pore bearing animals

Explanation:

• Option 1 is the answer of this question

• Phylum porifera has a characteristic which involve pores on the animal.

• This include mostly sedentary animal

• Circulatory system, Nervous and ,Excretory system are not well developed.

• Water system is present in the animal of this phylum which help in transport of food and exchanging the gases and in excretion

• It is reproduce through asexually through fragmentation , sexually by gamete. Its internal fertilization , sexes not separated so hermaphrodite, indirect develpoment.

• Highest degree of regeneration present