Then the population is evolving. If a population is not in Hardy-Weinberg equilibrium, then it is evolving. Evolution (microevolution) is a change in allele frequencies across generations.
Answer:
Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane (Figure 2). The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen.
Explanation:
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Answer:
C.Because of hunting, species such as bears and wolves are in danger of extinction.
Answer:
A) The aim of the experiment is to test the plant for photosynthesis.
B) Sodium hydrogen carbonate is known to increase the amount of carbon dioxide supply to the plants. Hence, it the availability of sodium hydrogen carbonate ensures that carbon dioxide is not the limiting factor for the experiment.
C) Submerged water plants are used because using these plants makes it easier to measure the rate of photosynthesis. Water and carbon dioxide become readily available to the plant which are the reactants for photosynthesis.
