Epithelial tissue
It is also widespread thought the body and covers organs.
B. Similar bacteria or protozoa which group together.
These are all caused by viruses.
Answer:
alleles
Explanation:
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.
Answer:
Arteries are the vessels that will be the first to contact the blood from the ventricles. Arteries are blood vessel that transports blood from the heart to other parts of the body such as lungs and tissues.Explanation: