(a) In both plants and animals,there are thre | vedclass

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(A) Statement $(a)$ is correct: All organisms,including plants and animals,undergo three main phases in their life cycle: the juvenile phase (or veget

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$A$ and $B$ both correct.

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(A) Statement $(a)$ is correct: All organisms,including plants and animals,undergo three main phases in their life cycle: the juvenile phase (or vegetative phase in plants),the reproductive phase,and the senescence (or aging) phase.Statement $(b)$ is correct: The transition between these three phases is regulated by the interaction between hormones and certain environmental factors. Hormones play a crucial role in triggering the onset of the reproductive phase and the subsequent transition to senescence.

Column-$I$	Column-$II$
$p$. Gemmules	$v$. Sponge
$q$. Conidia	$w$. Hydra
$r$. Zoospores	$x$. Penicillium
$s$. Bud	$y$. Amoeba
-	$z$. Chlamydomonas

$(a)$ In both plants and animals,there are three phases during their life cycle.
$(b)$ In plants and animals,hormones are responsible for the transitions between these three phases.

Similar Questions

What is maintained in organisms through the process of reproduction?

In this type of reproduction,the offspring are exact clones of their parents.

Match the following columns:
Column-$I$ Column-$II$
$p$. Gemmules $v$. Sponge
$q$. Conidia $w$. Hydra
$r$. Zoospores $x$. Penicillium
$s$. Bud $y$. Amoeba
- $z$. Chlamydomonas

What do organisms primarily consider when they reproduce?

Differentiate between a zoospore and a zygote.

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$(a)$ In both plants and animals,there are three phases during their life cycle.$(b)$ In plants and animals,hormones are responsible for the transitions between these three phases.