Describe how physical appearance, predation, and environmental factors can influence the increasing abundance of one variant of an organism relative to another variant.

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

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

if you know your abc's you should be able to get your answer or just use google

yes we can.   a lady urinates from her urethra.