The body of a cervical vertebrae is longer laterally and is shaped like a jelly-bean, while the body of a thoracic vertebrae is somewhat heart-shaped when viewed from the superior
aspect.
O True
O False​

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.