In a 1m squared quadrant of a meadow a taxonomist counted 12 golden rod, 7 daisies, 1 giant hogweed and 5 milkweed. Calculate the biodiversity index in the quadrant of this meadow.

Four types of motile cells in human body?

Which blood cell spend most of their time in the lymphatic system?

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant