Answer:
this is correct
Explanation:
because the energy gets transferred from one animal to another
Nitrogen is needed by organisms to make amino acid which is essential for protein synthesis
The answer is a because without them our veins would be dead
Answer:
Organism having the suitable traits appears more in the population.
Explanation:
Natural selection is a non-random process in the biological traits becomes less or more common in the population due to the different rate of survival of their bearer or their differential reproduction.
Natural selection leads to evolution because those organisms are selected to survive and reproduce which are having those traits that are better suited to a certain set of environmental conditions over others. As a result, the number of these organisms increases over time and they appear more in the population.
So natural selection leads to evolution as an organism having the suitable traits appears more in the population.
The correct answer is B) An electron beam passes over the specimen's surface and displaces electrons, which are then focused on a screen to form an image.