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9 Cards in this Set
- Front
- Back
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Define life cycle |
The life cycle of an animal or a plant is the series of changes or developments that it passes through from the beginning of its life until the death. |
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Define lifespan |
It is the time period from the birth to the natural death of an organism. |
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A turtle has a lifespan of 100 years. A horse has a lifespan of 40 years. Does the variation in size of these organisms affect their lifespan? |
No. The lifespan of an organism is not related to their body size. |
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Define reproduction |
It is a biological process in which an organism gives rise to young ones similar to itself. |
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Why is reproduction essential? |
A) maintains life on earth & maintains cycle of life B) enables continuity of species C) creates variation in the population |
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Define asexual reproduction |
It is the phenomenon of production of offspring by a single parent without the formation and fusion of gametes |
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What are clones |
They are morphological LG and genetically identical copies of an organism. In asexual reproduction, the offspring are clones of the parent and each other. |
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What is binary fission? Give an example |
Binary fission is the division of parent body into two equal halves. Eg: amoeba, paramecium |
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Which type of asexual reproduction is seen in paramecium |
Binary fission |
