Increased food supplies in an ecosystem decrease competition because the competing organisms would

a. reproduce more often.

b. have enough food to eat.

c. store large quantities of food.

d. have more space in which to live.

Which of the following would be a result of eutrophication of a lake? A) undergrowth of water plants B) hypoxia, or low levels of oxygen C) decreased decomposition D) inactivity of fertilizers

Where does the RNA polymerase bind during the process of transcription? A. The polysome B. The operator C. The promoter D. The initiator

The table shows how water in the US was used in 2010. Which statement accurately summarizes the data? A) More water was used to farm aquatic organisms than to make products. B) More water was used to make products than to produce electricity.

Name all five levels of organization in the human body

The pulmonary plexus is a weblike network of nerve fibers that surrounds the primary bronchi and enters the lungs at the hilum. It consists of both sympathetic and parasympathetic fibers. A. True B. False

The relationship of blood flow (Q), resistance (R), and pressure (P) in a vessel can be expressed by which equation?

Plants that might be called "weeds" are often great pioneer species. What characteristics do they possess that would make them a successful pioneer species?

Which tissue type contains cells that can be described as long, cylindrical, multinucleated, and striated?

Which of the following is the correct explanation for linked genes?

A lizard lives in a desert. which would be an adaptation for this lizard?