The circulatory, or cardiovascular system, is composed of

a. heart, arteries and veins.

b. lungs, heart and brain.

c. heart, blood and blood vessels.

d. lungs, blood vessels and heart.

A bush in your backyard is it alive according to the characters of life

Gene speaks to the flowers in pot A for one hour every day, but not to the flowers in pot B. At the end of his experiment, Gene finds that the flowers in pot A grew faster than those in pot B.

Our perception of the environment depends on a. the properties of the objects in the environment. B. the properties of the electrical signals in the nervous system. C.

In a bean plant, which reaction will release the greatest amount of energy? a) aerobic respiration of a glucose molecule b) anaerobic respiration of a glucose molecule c) synthesis of a chlorophyll molecule d) hydrolysis of a cellulose molecule

What events are likely to occur at a transform boundary? (choose multiple) A. Earthquakes B. Mountain formation C. New land formation D. Seafloor spreading E. Magnetic orientation of the rock can change

Why can't you use visible light to "see" molecules?

A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each one does

Which of the following is a sac fungus? A rhizopus, B candida C penicillium notatum

What are the stop codons

One factor that can increase sensitivity to sunlight is genetics. a. True b. False