A gyrus is a ridge or fold between two clefts on the human cortex.
A- Changes in the inherited characteristics pf a population over time.
Answer:
variation,inheritance,high rate of populations growth,differential survival and reproduction
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Living organisms exist only on the Earth's crust.
Answer:
The right answer is B. The offspring are genetically distinct ... by sexual reproduction.
Explanation:
Sexual reproduction, as opposed to asexual reproduction, indicates that the propagation of a species involves male and female gametes. It is the main method of reproduction of multicellular organisms.
In the first stage of sexual reproduction, meiosis, the number of chromosomes is reduced from a diploid number (2n) to a haploid number (n). During fertilization ("fertilization"), haploid gametes come together to form a diploid zygote and restore the initial number of chromosomes (2n).
