Answer:
the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
it only need one to fertilize a egg in a flower
The answer is a) a rubber band
D. the squirrel's digestive system breaks down food for energy.
Answer:
The answer is NITROGENOUS WASTE.
Explanation:
The urinary tract filters wastes and water from the blood, and eliminates them from the body.
UREA which is a nitrogenous byproduct of the decomposition of protein metabolism in mammals, is also released into the blood stream and to the tubes, after being broken down by the LIVER. All waste mixes with the filtrate to form urine
Urine is then collected in a duct and excreted through the bladder.
