If snakes are taken out of the environment, the population of salamanders would rise significantly due to the lack of a predator, resulting in an over-hunting of earthworms, causing earthworm populations to fall.
Organ systems are made up of tissues which are made up of cells.
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Answer:
The parent plants both have heterozygous (YG) genotypes, there will be 25% YY, 50% YG, and 25% GG offspring on average. These percentages are determined based on the fact that each of the 4 offspring boxes in a Punnett square is 25% (1 out of 4).