MYP Biology Topic Life Cycles Questionbank

Question

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In a life cycle featuring complete metamorphosis, what is the specific role of the pupal stage?

A

To provide a period of rapid feeding and growth

B

To act as the stage where gametes are produced

C

To facilitate the radical internal and external transformation from larva to adult

D

To allow the organism to disperse to new habitats before becoming an adult

Question

If a species' sexual life cycle failed to include meiosis, what would be the chromosome number of the offspring after two generations of reproduction, assuming the original parent was diploid ( $2n$ )?

In the transition between life cycle stages, __________ act as the internal messengers that travel through the organism to initiate physiological and structural changes.

Gametes are always __________, meaning they contain half the usual number of chromosomes found in somatic cells.

Why might direct development be favored in species where the young are born or hatched in a protected environment, such as a womb or a leathery egg?

MYP Biology Life Cycles Questionbank

MYP MYP Biology Topic Life Cycles Questionbank