The weakness of hydrogen bonds between the bases of DNA allows what?

In a food web a lot of energy is dispersed into the environment as

Describe the unique appearance of diatoms. what chemical compound composes their outer covering, and what is this shell called? how does the diatoms' habitat enable them to photosynthesize?

Whats the diffrents between prokaryotic and eukaryotic

Why does table salt (NaCl) dissolve readily in water? It is a hydrophobic substance. It is a polar molecule. It is an ionic compound. It is a binary compound.

Who was a great general of Carthage? Cincinnatus Poeni Hannibal Philip of Macedonia

How does information flow through the most common type of cns neuron (iist the 3 regions in the proper order) ?

The thalamus sends auditory information to the primary visual cortex. true or False

Which of the following is an accurate definition of relative age? A. a rock's age as compared to the ages of other rocks B. the number of years since the rock formed C. a rock's age based on how much carbon-14 it contains D.

ALL BUT ONE factor is believed to be the source of Earth's internal heat energy. That is

Which advantages does the skeleton of birds provide for flight? a. Light hollow bones b. Volume and heavy weight for lift c. Rigid structure to anchor strong muscles for flight d. Loosely unconnected bones