(b) In spring these eggs hatch. The young aphids are all female.
Explain why they are all similar but not identical to each other.

Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Eutrophication caused by human nutrient pollution.