While examining a specimen under the microscope, Janet discovers a structure that has some genetic material that has RNA but not DNA. What

is the specimen?

A

virus

B.

plant

C.

D.

fungi

bacteria

E.

animal

What is it called when the muscular walls of the blood vessels in the skin relax?

Atoms of nonmetals have a tendency to __ or__ electrons when they react.

All of the following statements about neutrons are true except A. Neutrons have a mass of 1 AMU. B. Neutrons carry a positive charge. C. Neutrons carry no charge. D. Neutrons are found in the nucleus of an atom

Which of these is an example of recycling? A) using an old coffee cup as a pen holder B) bringing a cloth bag to a grocery store C) using less paper by printing on both sides D) melting old plastic bottles to make new carpeting

Which of the following correctly describes the importance of the carbon cycle? A) to recycle nitrogen-based compounds B) to replenish oxygen in the atmosphere C) to decompose dead animals D) to replenish carbon dioxide needed by plants

What characteristic of Charales would enable them to survive a dry spell? sperm with flagella phragmoplasts sporopollenin chlorophyll a

Many Head Start programs have a community aide who A. tutors at-risk children in the home. B. gives families the money they need to survive. C. connects families to community resources they need. D. represents families at family/teacher conferences.

Stranded on an island, you have two sources of water to drink: salty ocean water and contaminated fresh water. explain your choice of drinking water and indicate why your selection is the best choice.

How are a hypothesis a prediction and an experiment related

Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore, they rarely encounter each other and do not interbreed. What type of isolation is this?