Artificial selection is the intentional reproduction of individuals in a population that have desirable traits.
Answer: crossing over
during the process of fertilization, a sperm and egg join together to create a zygote. since a sperm had half the number of chromosomes and an egg has half the number of chromosomes, when they join together the zygote had a complete diploid set of chromosomes. the assortment of chromosomes and crossing over promotes genetic variation during the process of reproduction
Two procedures that should be used to properly handle a microscope are:
1.) Carry the microscope with both hands.
2.) Transport one microscope to your work area. Remove the dust cover.
Answer: Option C) organ
Explanation:
An organ is made up of similar tissues performing the same function e.g skin.
The skin is an organ (sense organ) composed of several kinds of tissues that all help to protect the body from invaders
The plant cell has a cell wall, chloroplasts, plastids, and a central vacuole—structures not found in animal cells. Plant cells do not have lysosomes or centrosomes.
