In what geological era were the dinosaurs a dominant life form on earth?
a. cenozoic
b. mesozoic
c. paleozoic
d. phanerozoic

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

What do you think scientists face when classifying new organisms?