What does the H-R diagram represent? a star’s size and distance from the Sun.

a star’s static levels and its brightness.

a star’s life span and its size.

a star’s absolute magnitude and temperature.

Did you know that a blue wales tongue weighs more than an elephant?

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Some substances but not other can cross the (blank) membrane of a cell