Difference between revisions of "Reproduction in Animals"
(Created page with "==Key Stage 2== ===Meaning=== '''Reproduction in animals''' is when one or two animals produce offspring. ===About Reproduction in Animals=== : Most animals need two adul...") |
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: Sexual reproduction is when two adults are needed to create one or more offspring. | : Sexual reproduction is when two adults are needed to create one or more offspring. | ||
: In sexual reproduction of animals two adult animals will mate. | : In sexual reproduction of animals two adult animals will mate. | ||
| + | : In sexual reproduction the offspring have some of the features of their parents but are not an exact copy of either parent. | ||
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| style="height:20px; width:200px; text-align:center;" |When reptiles mate the male puts sperm inside the female and then the female lays eggs afterwards. | | style="height:20px; width:200px; text-align:center;" |When reptiles mate the male puts sperm inside the female and then the female lays eggs afterwards. | ||
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| + | ===A-sexual Reproduction=== | ||
| + | : A-sexual reproduction is when one adult creates one or more offspring without needing another adult. | ||
| + | : In a-sexual reproduction the offspring are exactly the same as the parents. | ||
Revision as of 14:14, 24 August 2018
Contents
Key Stage 2
Meaning
Reproduction in animals is when one or two animals produce offspring.
About Reproduction in Animals
- Most animals need two adults to produce offspring. This is called 'sexual' reproduction.
- Some animals can reproduce on their own. This is called 'a-sexual' reproduction.
Sexual Reproduction
- Sexual reproduction is when two adults are needed to create one or more offspring.
- In sexual reproduction of animals two adult animals will mate.
- In sexual reproduction the offspring have some of the features of their parents but are not an exact copy of either parent.
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| When amphibians mate the female lays eggs and the male gives out sperm to fertilise the eggs. | When birds mate the male puts sperm inside the female and then the female lays eggs afterwards. | When fish mate the female lays eggs and the male gives out sperm to fertilise the eggs. |
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| When some insects mate the male puts sperm inside the female and then the female lays eggs afterwards. | When mammals mate the male puts sperm inside the female and then the female becomes pregnant. She then gives birth to the offspring. | When reptiles mate the male puts sperm inside the female and then the female lays eggs afterwards. |
A-sexual Reproduction
- A-sexual reproduction is when one adult creates one or more offspring without needing another adult.
- In a-sexual reproduction the offspring are exactly the same as the parents.