How many dominant alleles i needed for an expression of a dominant phenotype

Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

How can an organ, such as the lungs, work for multiple body systems?