Identify two characteristics of forests that develop when fires are suppressed, and explain why the practice of fire suppression does not reduce, but actually increases, the risk of intense and extensive forest fires.

True or false: the claim "no hormones added," doesn't mean much on poultry or pork labels because federal regulations already prohibit the use of hormones in both poultry and pork.

It is important to confirm new scientific findings through

If an organism's haploid number is 12, its diploid number is a. 6. b. 24. c. 12. d. 3.

Which of the following characteristics is directly related to the coding of a single amino acid during the process of translation?

What region of the brain is the corpus callosum? A marks the base portion of the brain connecting to the spinal cord, B marks the top of the brain, C marks the center section of the brain, and D marks the section at the rear bottom of the brain.

Which of the following are important uses of genetic maps? Select all that apply. a) copying DNA during PCR reactions b) pasting two DNA strands together to form one molecule c) studying evolution d) locating genes that cause disease

Georgette drew a diagram to compare chytrids and sac fungi. Which description belongs in the area labeled Z? Sac Chytrid O Have reproductive cells with flagella O Contain cell walls O Release chemicals to break down food O Lack hyphae

the cell membrane is a lipid bilayer, but a cell has only one cell membrane. which organelles in this lesson have a double membrane?

While reading a novel, Raoul isn't easily distracted by the sounds of the television or even by his brothers' loud arguments. This best illustrates

Is selective breeding the best way to combine traits from two different species ?