An indevidual is a fifty-year-old smoker that lives in a highly polluted city, gets no exercise, eats fast food everyday, and has a family history of lung cancer. Which of the following is an uncontrollable risk factor?

What are the major characteristics of Mollusks ?

Which is an effective stress management strategy? Associate with optimistic people. Increase your annual income. Acknowledge your character flaws. Replicate the efforts of successful people.

A gene with the original sequence of ATGTT-TACT underwent substitution mutation to form ATATT-TACT after a few generations. TACT is a part of a muscle protein encoding region, and ATGTT codes for a digestive enzyme.

Which of these is an example of quantitative data a. Recording amount of chemicals used in an experiment and any temperature changes observed b. Listing the materials equipment and process is required for an experiment c.

What kind of organism does not generally require oxygen or sunlight to live?

look at the ocean system below plankton, shrimp, salmon, human what will most likely happen if the plankton population decrease in this ocean systems? A. it will be more difficult for salmon to find food. B more shrimp will move into the area C.

Gloria wanted to find out if the color of food would affect whether kindergarten children would select it for lunch. She put food coloring into 5 identical bowls of mashed potatoes. The colors were plain, red, green, yellow, and blue.

Why was Copernicus's heliocentric model not believed until Galileo and Kepler provided more evidence?

Neurotransmitters (like acetylcholine) are required to conduct nerve impulses because the neurons do not physically touch each other or the cells on which they are acting.

The population size of a predator species is directly controlled by _.