How many genders are there?

A: 2

B: 2

C: 2

D: Only 2

In Mendel's experiments with a single trait, the trait that disappeared in the first generation and reappeared in the next generation is called the ...

What are three sources of signals related to the regulation of cell growth and division?

6: Disruptions to ecosystems can cause changes in succession, which then result in changes to the natural balance of (mark all that apply) A biodiversity of the ecosystem B availability of limiting factors in the ecosystem C global currents D

If you shine a light in one eye of a healthy animal, what should happen? A. Only the pupil of the eye with the light shining in should constrict; the pupil of the other eye should remain unaffected. B.

A phosphate, a sugar, and a nitrogenous base form a ... ?

Which choice below best shows various types of genetic material in order from simplest to most complex? a. chromosome, gene, genome b. gene, genome, chromosome c. genome, gene, chromosome d. gene, chromosome, genome?

Problems the vegetable vendors face in their job

Which statement best describes why electrons are typically not included when determining the mass of an atom? The charge of a proton cancels the charge of an electron. The protons and neutrons are much more massive than the electrons.

What did the evidence that Darwin collected during his voyage on the HMS Beagle allow him to accomplish? A. to propose the theory of artificial selection B. to propose the theory of evolution by natural selection C.

List four types of evidence used to organize organisms in systematic taxonomy