If a scientist finds the remains of a plant between a rock layer that

contains 400 million-year-old Phacops fossils and a rock layer that contains

230 million-year-old Tropites fossils, how old could the plant fossil be?

Which tool is best used to predict the outcome of various genetic combinations?

Compare primary and secondary succession

Calculate the ratios of the genotypes and phenotypes of the offspring in the F1 generation.

Which skin layer contains pigmentation? epidermis dermis fatty tissue

Why do plants have one hormone that promotes seed germination and another that suppresses seed germination? why not just have one or the other?

What process often begins by a portion of population becoming physically or geographically separated?

The ability to roll your tongue into a U-shape is dominant to inability. What is/are the genotype (s) of a person that can roll their tongue into a U-shape?

A person is swimming when a fish touches her foot. her heartbeat and breathing increase for a few seconds until she realizes the fish is harmless. which part of the nervous system returns her heartbeat back to normal? a. somatic b. parasomatic c.

In New York State, small farms that were abandoned many years ago have become hardwood forests. This is an example of (1) local deforestation (2) biotechnology (3) ecological succession (4) habitat loss

Determine if the following is a carbohydrate, lipid, protein, or nucleic acid: Potato