How were you able to explain how two plants that were both purple on the outside could produce
offspring that were not purple? Use your vocab
words to explain (phenotype/genotype).

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

a. the production of carbon dioxide through the process of photosynthesis

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.