bisexual

Self-pollination and its type

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Self-pollination is the transference of pollen grains from the anther of a flower to the stigma of either the same or genetically similar flower. It is generally not dependent on any external agency for pollination. It is of two types: 1.Autogamy It is the transfer of pollen grains from anther of a bisexual flower to … Read more

Differences between vertebrates and invertebrates

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S.N Vertebrates Invertebrates 1. They have backbone or vertebral column. They do not have backbone or vertebral column. 2. They are the most organized animals on the earth. They are not organized as vertebrates. 3. They consist of single phylum. They consist of eight phylum. 4. They have internal skeleton. Internal skeleton absent. 5. They … Read more