Answer:
I'm not sure if im 100% understanding the question but all cells have DNA
Explanation:
Aside from red blood cells and cornified cells, all other cells in the human body contain nuclear DNA.
Answer:
The presence of fins in both species represents an adaptation to the same environment (i.e., sea), but in no way does this adaptation means close evolutionary homology between fishes and mammal cetaceans (whales)
Answer: It can decrease or increase a population of species.
Explanation: Limiting factors include the availability of food, water, shelter, and etc. When a population of species are limited in any of these, they either move or adapt to their environment. So, population tends to decrease. The population that may finds an abundance of resources will find that their numbers tend to increase. This cycle is repeated over and over again.
Hope this helps!!!
Lungs have a pulmonary circulation