Answer:
B. External respiration
Explanation:
Respiration means transport of oxygen to the cells within tissues, and the transport of carbon dioxide in the opposite direction.
Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
Answer:
Why is internal Fertilisation important to animals?
Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young.
Explanation:
For science
1 cells
2 tissue
3 organs
<span>race is not a defined term in biology and cannot solely be explained by different groups having different genes</span>