Question

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Answer 1

1. Mitochondria
2. Yeast
3. Origin of a genetically distinct type of of organism from a pre existing life through modification is known as evolution.
4. Homologous organs are the traits inherited by two different organisms from common ancestry. For example, Organs such as bat's wing, wings of birds, seal's flipper, forelimb of a horse,etc.

Analoguus Organs: The organs which have different anatomy but perform similar functions are called as analogous organs. They have different origin.

For example, wings of insects and birds. Sweet potatoes and potatoes both have the same function of food storage but have different origin.

5. The amount of urine produced depends on the amount of excess water and dissolved wastes that are present in the body.When excess water is more in the body, diluted urine is excreted whereas when the excess water is less, the urine is concentrated.

6. Menstruation is a woman's monthly bleeding. It occurs so as to shed the lining of the uterus or womb.

Answer 2

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