How many chromosomes will en egg cell of the weed have?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Explain how mendel kept his pea plant from self pollination