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7 Cards in this Set
- Front
- Back
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External fertilization |
Outside of the body Both the supermarket and the eggs meet outside Water Large number of offspring is produced The mom cannot protect the baby Frogs and fish |
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Internal fertilization |
Inside the body supermarket and egg joint Fewer offspring produced Protected by mom's All mammals reproduce internally |
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Types of animal reproduction |
Hi |
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Monotremes |
Egg laying Duckbill platypus anteater |
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Marsupials |
Give birth to their young and young are not fully developed Spends time in pouch Kangaroos, koalas, opossums |
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Placental |
Young remain inside the body until all systems function independently Surrounded by placenta Gives food to baby |
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Gestation period |
Time spent within mother
The smaller the animal the longer the baby is inside |
