B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
Answer:
The 3 major observations were:
1. More individuals are produced each generation that can survive.
2. Phenotypic variation exists among individuals and the variation is heritable (through parents' genes).
3. Those individuals with heritable traits better suited to the environment will survive.
Explanation:
Charles Darwin was a British naturalist who proposed the theory of known to everyone as 'The Theory of Evolution' through natural selection.
<span>a foot or more in length, and each cell contains hundreds of nuclei</span>
Answer:
The correct answer is D.
Explanation:
Scientists observed and discovered that some traits in certain embryos disappear as the embryo develops.
Hopefully, this helps! :D
Ask your question below!
A. Thst is what they are doing xD
