What's one cause of the heat island effect? A. Pollution of groundwater B. Reduced rainfall in urban areas C. Higher albedo in urban areas D. Lower albedo in urban areas

Blood pressure results from the force of blood fluids pressing against the walls of blood vessels. Hypertension, or high blood pressure, is often caused by a constriction of the blood vessels by fatty deposits in artery walls.

Dr. Jones a botanist observes the flowers of the same species express a slightly different shade of red coloring based on where the plants are located within her greenhouse she hypothesizes that the more sunlight the flowers receive the darker red

Which of these is an example of a haploid cell? a. Neuron b. Sperm c. Red blood cell

Of what value are forests besides for wood? Is there a value to forests that is not a monetary value? How much is that value considered when forests are being used for their resources?

Which pair of body systems provide the raw materials that cells need for energy?

What is true for an amoeba, a clock, or both.

The genes on a chromosome were represented as abcdefgh. after chromosomal breakage the order was found to be abcefgh. which type of change has occurred in chromosomal structure

The failure of homologous chromosomes to separate during meiosis is called a. skin disorders b. translocation. c. nondisjunction. d. Down syndrome.

As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) increases and energy decreases.

The most obvious source of gene flow into any population is A) Emigration B) Immigration