What does it mean to say that a trait is heritable?

a. the trait is advantageous to the organism
b. the trait does not change over time
c. the trait can be passed on to offspring
d. the trait does not vary among individuals in a population

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

Which direction does the energy flow in this energy pyramid ?

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?