SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

Which of the following display retrogressive metamorphosis?

a)

Salpa and Herdmania

b)

Doliolum and Oikopleura

c)

Pyrosoma

d)

All of these


Question ID - 329 :-

Which of the following display retrogressive metamorphosis?

a)

Salpa and Herdmania

b)

Doliolum and Oikopleura

c)

Pyrosoma

d)

All of these

1 Answer
5876 Votes
3537

Answer Key : (d) -

(d)

Metamorphosis is a charge from juvenile to adult stage in which larval stage is quite different from adult stage. In retrogressive metamorphosis, the larva possesess advanced characters which are lost during the development and adult is either sedentary or degenerated with primitive characters. All urochordates display retrogressive metamorphosis



Next Question :

Which of the following is true of Aves?

a)

They are poikilotherms and have a three chambered heart

b)

Tiny pebbles eaten by some birds and are used in crushing                                                                                                                                                                                                                                         

c)

They have 10 pairs of cranial nerves

d)

All of the above


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