Which of the following characteristics of a watershed would act to reduce erosion?

large floodplain areas

soil with a high porosity

a large number of lakes

channels with a low gradient

Consider the haplotype for the bacterial lac operon: i-o+z+. there is also a plasmid with the haplotype: i+ocz-. for all of the questions below, assume there is no glucose and no inducer. functional beta-galactosidase will be produced in this cell:

Which of the following statements is true? Sound vibrations are changed into electrical impulses by the eardrum. It is dangerous to listen to sounds over 160 dBs. High-pitched sounds have low frequencies. All of the above.

How is hardness defined when identifying minerals? ability to resist scratching ability to scratch density of a mineral organization of crystals size of crystals

Each amino acid in a protein is specified by a three base sequence called a Promoter Codon ribosome tRNA

Horses, zebras, and donkeys are all different species. They are believed to have come from one common ancestor and just become more and more different due to their different environmental conditions. These animals may have evolved by

Both bats and honeybees have wings. Which of the following statements is true

Choose two organisms: one sexual reproducer and one asexual reproducer. For each organism, discuss the following Describe the organism Draw or find a graphic that represents your organism

What would you do if you found an alien in your living room? (Check all that apply.) Scream Say hi Call 911 Offer it a sandwich Take the remote Fight it Kick it out Give it some clothes Bribe it to do your homework Make it take this poll

The mistaken idea that life can arise from nonliving matter.

When parietal cells secrete protons into the stomach, what would you predict would happen to the pH of the blood? Would this process be affected if you treated with an inhibitor of the enzyme carbonic anhydrase?