The right option is; A) gametes
Gametes are reproductive cells (male (sperm) or female (eggs)) that contain only half the usual number of chromosomes and unite during sexual reproduction to produce a new cell (zygote). The mutation for sickle cell anemia occurs in the woman’s gamete (eggs) and this type of mutation is known as germline mutation; a mutation that occur in the germ (reproductive) cells and can be passed on to an organism’s offspring.
B) climate
Climate is influenced by all of the factors listed in the question, as well as ocean currents, temperature and percipitation.
Answer:
Explanation:Ss
Because
The gene snails of a population consists of all the copies of all the genes in that population.
Answer:
If I remember correctly, its "the plasma membrane".
Explanation:
The plasma membrane is the outer part of the cell and it can control what ever leaves the cell.
Overproduction
Most species produce more offspring than can survive.
Competition
Since living space and food are limited, organisms must compete for the necessities.
Variation
Differences between individuals in a population.
Adaptations
Any kind of inherited trait that improves an organism's chances of survival.
Natural selection
The environment selects organisms with optimal traits to be the parents of the next generation.
Speciation
Over many generations, favorable adaptations accumulate and may result in a new species.
