It decreases the amount of carbon in the air thus making the environment happy
Answer: a. natural selection can only act on existing variation
Explanation:
Natural selection is the process of differential survival and reproduction. It occurs when a beneficial trait it passed on from the parents to the offsprings in the population of the same species. A beneficial trait will not be passed to the offspring if the trait is non heritable. The trait will be passed on as a genetic component. For example, beak length the trait for beak length or genetic variation is already present in the population. It is selected on the basis of the natural selection and can be expressed in the new generation. The natural selection process acts on the individual but the results of the selection can be seen on the entire population.
The pulmonary vein carries oxygenated blood from the lungs to the left atrium
Explanation:
the exosphere is the outermost layer of our atmosphere answer is d
False. The root of the Eukarya is probably within the Archaea, but this was only discovered six months ago. The consensus hasnt yet shifted from thinking the tree of life has three distinct domains. In any case, bacteria are a separate domain to Archaea.
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