Q7 of 24 Page 75

Answer the following questions by choosing correct option.

Which special cells are present in the body of sponges (Porifera)?

Collar cells

Explanation: The specialized type of cells present in the body of sponges belonging to the Phylum Porifera are known as the collar cells.

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6

Give scientific reasons.

Balanoglossus is connecting link between non-chordates & chordates.

 6

Give scientific reasons.

Body temperature of reptiles in not constant.

 7

Answer the following questions by choosing correct option.

Which of the following animals’ body shows bilateral symmetry?

 7

Answer the following questions by choosing correct option.

Which of the following animals can regenerate it’s broken body part?