Why are lower case letters only used with complete dominant alleles?

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Abanana plant produces rhizomes, which are involved in?

Which hotel do you think is most likely to move ahead in market competition? a. a hotel that provides basic amenitiesb.a hotel that provides luxurious amenitiesc.a hotel that shows understanding of customers' latent needsd.a hotel that gives discounts