Tension on the vocal cords is regulated by the

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

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?