The most significant characteristic of reptiles is that they can't regulate their temperature, this means they need to being exposed to the sun.
Places like the African savannah, or Amazonas where you have hotter and humid weather are the most common habitats for reptiles.
I think you're talking about histones. Histones are proteins found in eukayotic cell nuclei. Histones are what DNA wrap around so it fits inside the nucleus and helps with the formation of chromosomes.
Answer:
1 and 2 human 3 and 4 monkeys
Hmm good question. Well I would have to test it for where there are no living life. I would have to build another NASA in the County because there is plenty of room there. Mars is made out of Dusty Crust that is about 30 miles thick. And let's say that the desert's Dusty Crust is about 5 miles - 15 miles thick. That will give about the same amount of surface that mars has. So we would know what to build for a perfect lander to work on Mars. This isn't much but it is something.
Answer: B
Explanation: Because the Red shows activity
