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Answers
Match-
- Zygote
fusion of male and female gametes
- Hydra
Buds
- Ovum
Egg cell
- External fertilization
Fish
- Foetus
stage when organs can be identified externally
- Amoeba
Binary Fission
Explanation-
☆1st☆
- Zygote
fusion of male and female gametes
Zygote is formed when the male and female reproductive cells fuse.
And then zygote develops into embryo.
☆2nd☆
- Hydra
Buds
In Hydra reproduction occurs by budding. Small outgrowths called buds are formed in the body.
Then, the buds develop into individuals and later they detached.
☆3rd☆
- Ovum
Egg cell
The female has female reproductive organ which is called ovary in which the female reproductive cell called egg or ovum are produced. Thus Ovum is an egg cell.
☆4th☆
- External fertilization
Fish
In fishes, fertilization takes place externally.
The female fish discharges the eggs in the water and the male discharges the sperms. The sperms swim with the help of tail and fertilizes the egg.
☆5th☆
- Foetus
stage when organs can be identified externally
In female pregnancy, eight weeks after fertilization the embryo develops body parts and that stage of the embryo in which all the body parts can be identified is called foetus.
☆6th☆
- Amoeba
Binary Fission
Amoeba is a single-celled organism that reproduces by binary fission.
✴Binary fission is the splitting of cells into two almost identical cells.
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