Answer:
DNA, is short for deoxyribonucleic acid, is the molecule that contains the genetic code of organisms. This includes animals, plants, protists, archaea and bacteria. DNA is in each cell in the organism and tells cells what proteins to make.
Answer:
This can be caused by mating differences, sterility or environmental barriers that eventually lead to the adaptive splitting into two species. ... However, reproductive isolation is not sufficient but internal barriers to gene flow are required for speciation to evolve.
Explanation:
I hope this helps I'm not so good at explaining.
Food water and predators can cause organisms to move on
Answer:
I think it is D
Explanation:
A- That is a random gene mutation and is not natural selection
B- A lizard sitting under the shade isn't selecting anything
C- that would be sexual selection
D- bacteria becomes resistant because of natural selection.
Hope this helps :)
