The product of 4 and a number is 18 more than twice the number.

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

Why are recessive alleles not removed from populations over time? a.individuals can pass recessive alleles on to offspring b.recessive alleles are removed with enough time c.recessive alleles will always reappear after being removed