Environmental Sciences, asked by suyash35, 1 year ago

the life cycle of animal

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Answered by shivi1802
2
the upper one is the pic of fish life cycle...




Most animals including fish, mammals, reptiles and birds have very simple life cycles:

they are born (either alive from their mother or hatched from eggs)they grow up

These animals have three stages -- before birth, young and adult.  The young are typically similar to the parent, just smaller.  The young slowly "grow" to become adults.

 

Amphibians:

Amphibians, like frogs and newts, have a slightly more complicated life cycle.  They undergo a metamorphosis (a big change):

they are born (either alive from their mother or hatched from eggs)they spend their childhood under water, breathing with gillsthey grow into adults and move to the land, breathing with lungs

 

Animals that Undergo a CompleteMetamorphosis:

Insects

These insects have four stages in their life cycle:

egg:   unborn stage.larva:   young stage -- this is when most of the feeding is done.
        (they usually look like worms)pupa:  inactive (no feeding) stage between larva and adult stages.
        (usually well camouflaged)adult:   final, breeding stage.
         (they usually grow wings)

Animals that go through a complete metamorphosis are what my daughter Kaitlyn calls "Wow!" animals -- they go to bed looking one way and wake up a completely different creature.  Wow!

 

Animals that Undergo an IncompleteMetamorphosis:

About 10% of insects go through an incomplete metamorphosis.  They do not have a pupal form -- these include dragonflies, grasshoppers and cockroaches.

These insects have three stages in their life cycle:

egg:   unborn stage.nymph:   young stage -- this is when most of the feeding is done.adult:   final, breeding stage - including wings.


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Answered by Shashank2003awasthi
0
hi

life cycle of animal is

most animals including fish mammals reptiles and birds have very simple life cycle

the are born
*either alive from their mother or hatched from eggs

they grow up

these animals have three stages
*before birth
*young
*adult
the young are typically similar to the parent just smaller.the young slowly "grow" to becomes adult

hope you find it helpful
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