Answer: D
Explanation: the image shows this. Let me know if I’m right.
Answer:
Concentration gradient.
Explanation:
Diffusion may be defined as the process of the movement of solute particles down the concentration gradient. This process does not require the expenditure of energy.
The main driving force in diffusion is the concentration gradient. The molecules generally move from its region of the higher concentration towards the region its lower concentration.
Thus, the correct answer is option (3).
Answer:
He came up with the theory of natural selection, for which he is famous for
Explanation:
Darwin studied closely related species of finches and devised that species change over time as they adapt over time in what is known as evolution.
<span>They can be found in the ground preserved by the weight of dirt.
Fossils are simply remains of a living organism. They also can be found in ice or under the ocean floor.</span>