Homozygous means "the same" and Heterozygous means "different". If a pheno type is homozygous, for example, it could be XX or xx, while heterozygous could be Xx. Hope that helps.
The answers are principles C and D. After the big bang, particles in gas clouds were closer to each other and clumped up faster. As they clumped together, they gained more gravitational force, eventually creating asteroids, stars, and planets.
Answer:
Option (B).
Explanation:
Neurons or nerve cell are the basic structural and functional unit of the nervous system. Fibers are the thread like long projection of the nerve cells.
Neurons are classified into three fibers- Group A fibers, B fibers and C fibers. The group C fibers cannot capable of doing the saltatory conduction of the nerve impulse because they are unmyelinated.
Thus, the correct answer is option (B).
Answer: Microbes in the hindgut of a termite break down cellulose into more easily digested sugars and short-chain fatty acids. These fatty acids are taken into the cells of the termite and used as nourishment in the same way human cells take in nutrients processed by our digestive system.
Explanation: I hope this helps