Before puberty, children do have an estrogen level in their body. This is only truly noticeable around the time of puberty. It's always there, but not hyperactive until puberty.
Should be A. Species have changed over time.
Possesses the characteristic of compartmentalization of organelles,wherein the organelles are bound by membranes
Stomata is present at epidermis of the leaves lenticels are present at bark
Each of a Number of small areas of habitat, typically of one square meter, selected at random to act as samples for assessing the local distribution of plants or animals.
