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| What is the joining of a sperm cell and a egg cell during sexual reproduction? |
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| What is the process by which cells form? |
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| What are three ways for organisms to reproduce? |
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Definition
- The female lays eggs which are then fertilized by sperm from the male.
- Eggs are fertilized inside the female's body, then laid in a nest until they hatch.
- Eggs are fertilized inside the female's body and the offspring grows inside the female until they are ready for live birth.
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Term
| What is formed when an eggs cell and a sperm cell join? |
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| A sperm cell and an egg cell both each have only ____ of the chromosomes needed to make a human cell. |
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A zygote grows through ______ &_________.
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| Some eggs are fertilized inside the females body________________. |
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What happens for plants to reproduce sexually?
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Definition
| Insects gather pollen from the stamens. The pollen contains sperm. Next, the pollen travels down the pistil to the egg cells. |
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| Why does a sperm cell and an egg cell have only half of the chromosomes needed to make a human cell? |
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Definition
| So that children can have a wider range of human traits. |
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| Only the _____ sperm cell to enter the egg can fertilize that egg. |
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| In _________________ the offspring can be different from a parent and each other. |
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