Mammal Life Cycle

What do mammals have?

• hair or fur

• scales

• feathers

What do mammals need to breathe?

• gills

• lungs

• gills turn into lungs

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Mammals are.....

• warm blooded

• cold blooded

• without blood

Mammals take care of their young by...

• sitting on the egg to warm them

• nursing them with milk

• leaving them alone once they are born

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Mammals start

• as seeds

• as eggs

• with a live birth

A life cycle is like a circle because...

• it repeats over and over and doesn't end

• it is shaped like an egg

• it is easy to draw

• it has a specific ending point

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True or false: Mammal babies look like the parent.

• true

• false

• I don't know.

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What is the first stage of a mammal life cycle?

• egg

• live birth

• seed

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What is the last stage of the life cycle?

• birth

• growing

• death

What are the stages of the mammal life cycle?

• eggs, hatchling, juvenile, adult

• eggs, tadpole, young frog, adult

• live baby, young, adult

• egg, larva, pupa, adult

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NGSS.3-LS1-1