The list below shows some events which took place at different periods in the geologic time scale.

1. fish with craniums appear 2. mammals appear 3. sharks appear

which of these best orders that events from the earliest to the most recent?

Constipation is a condition where the feces become hard and difficult to pass. What are two possible reasons for this condition?

In cabbage butterflies, white wings are dominant to yellow wings. A) if a heterozygous winged butterfy is crossed with a recessive winged butterfly, what are the possible genotypes and phenotypes of the offspring AND the percent chance for each?

The majority of B-vitamin deficiencies in today's world can be associated with

What is the formula for fermentation

A star-nosed mole's habitat is the same as its niche. True or False?

Blond hair is represented by the filled circles, and brown hair is represented by the empty circles. from this pedigree, what can be said about blond hair color?

The offspring of a particular cross are 100% heterozygous for tallness. What were the most likely genotype a of the parents?

Which is a reflex response?

You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the E coli cells on light 14N medium for many generations and then transfer them to heavy 15N medium and allow them to grow for 2 additional generations (2 rounds

How long ago did oceans form