B osmosis is simplified by water dissolves stuff
When a single copy of a disease allele doesn't result in a disease but instead is good for the person or organism that carries it, we say that allele has a heterozygote advantage. In other words this occurs when heterozyhotes have increased fitness over both homozygotes. A good example is sickcle cell trait, which protects against malaria in heterozygotes, but causes a deadly disease in homozygotes.
<u>Answer:</u>
The evidence comes from fossils.
<u>Explanation:</u>
Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.
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They waxy cuticle<span> keeps water inside the </span>leaf<span> cells. Tis water is then used for photosynthesis. ... Suggest a way in which the stoma and guard cells arrangement might </span>work<span> to control the amount of water that is leaving the </span>leaf<span>. The guard cells regulate the opening and closing of the </span>stomata<span>.</span>
