If a person lived several years without any noticeable signs of viral infection and then one day suddenly fell ill, which of the following provides the best reason as to why? a. Everything in the person’s internal and external environment remained the same b. The individual was surprised all of a sudden by a group of friends c. Something in the individual’s internal environment changed d. The individual watched a horror film*

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino