Answer: Viruses
Explanation:
Viruses are tiny infectious agents that rely on living cells to multiply. They may use an animal, plant, or bacteria host to survive and reproduce.
Answer:
A
Explanation:
reproductive means reproduction= A
Answer:
Mitochondral
Explanation:
Mitochondria were made before ribosomes
Answer:
In meiosis I, crossing over during prophase and independent assortment during anaphase creates sets of chromosomes with new combinations of alleles. Genetic variation is also introduced by random fertilization of the gametes produced by meiosis.
Explanation:
hope this helps :)
Answer:
Neural crest -
Explanation:
Neural crest -
The neural crest is those temporary sets of cells that are stick to particular vertebrates that arise due to the embryonic layer of germs. Neural crest provides a way to produce PNS(peripheral nervous system).
These cells are migratory cells that can develop into different cells tissue all over the body.