Ms. B is a 40-year-old woman who is the CEO of a struggling company. Lately, she has been experiencing headaches that are so severe that she gets dizzy and nauseated, and she is unable to carry out her usual daily routines. She reports that they usually begin as a throbbing pain in the left temple and then seem to spread throughout her head. A diagnosis of migraine headache is made after several tests. Based on the patient history and signs and symptoms, discuss this type of headache and its physiological causes

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

burning fossil fouls really decrease the carbon in the atmosphere so b