Which feature is most likely to have been formed by flowing water? A. canyon B. U-shaped valley C. sand dune D. root pry

Understand how and why heredity increases the diversity among organisms

What advantage does nuclear power have over fossil fuels? A. It is less expensive B. It has less risk of a dangerous explosion C. It is available to poor countries D. It has no negative byproducts

What conditions are required for natural selection? Select three options

Visible quartz and potassium feldspar grains are the main constituents in:

Which of the following is not a negative feedback mechanism of homeostasis in controlling human body temperature (thermoregulation) ? A. Shivering B. Sweating C. Insulin Secretion D. Vasodilation

Many of the biochemical reactions that occur within cells are catalyzed by enzymes. Which of the following statements is true about most enzyme-assisted reactions?

A _ is a combination of substances that are combined physically but not chemically.

Heterotrophic organisms used the process of fermentation to nourish. What is fermentation?

The approximate water temperature at a depth of 125 meters would be closest to: (1) 15°C (2) 8°C (3) 13°C (4) 3°C

At what age do billions of cells make connections