Question

write about porifera and Mammalia

Answer 1

porifera (pore bearing)- the word porifera means organisms with holes. they are non motile animals attached to some solid support. there are holes or pores all over the body. they are commonly called sponge and are mainly found in Marine habitats some examples are sycon and spongilla

mammalia- these are warm blooded animals with four chambered hearts. they have mammary glands for the production of milk to nourish their young. for example human beings rats blue whale etc.

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Answer 2

HLO FRIEND YOUR ANSWER IS HERE!!!!

# PORIFERA--

i) These are non motile animals attached to some solid support.These are called as sponges.

ii) There are holes or pores all over body.

iii) The canal system help in circulating water throughout the body to bring in food and oxygen.

iv) These organisms are covered with a hard layer outside.

v) They are mainly found in marine habitats.

For example-- CYCON, SPONGILLA etc.

# MAMMALIAN_--

i) They are warm blooded wirh four chambered hear.
ii) They are mammary glands for the production of milk to nourish their young ones.

iii) Their skin have hairs sweat and oil glands.

iv) 2 pairs of pentadactyl limbs are present.

v) Respiration is by lungs only..

For example-KANGAROO, RAT, HUMAN etc.,

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