Rhizobium: feed off dead plants
add nitrogen to soil
are part of the fungi kingdom
all of the above

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Match each symbol with its description.