codominance multiple alleles incomplete dominance A pink roses are formed when red roses are mated with white roses. arrowRight Genes with the alleles IA, IB, and i are responsible for expression of A, B, and O blood types. arrowRight A red flower and a white flower produce an offspring with equal proportions of red and white coloration.

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi