Macro evolution occurs within a population true or false

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp