The main decomposers are the fungi and bacteria.
Answer the following statement true (T) or false (F)
True
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The pilomotor response causes
a. your hair to "stand on end." b. your muscles to shiver. c. hunger. d. thirst. e. an increase in heart rate.
What is the ultimate explanation for modern human preference for fatty foods?
a. When we eat fatty foods, taste receptors on our tongue are stimulated, sending an action potential to our brain triggering the "do-it-again" centers. Fatty foods have nine calories per gram, unlike carbohydrates and proteins, which have four calories b. per gram, and in our environment we need to maximize our caloric intake in order to maximize our fitness. c. Ancestral humans who preferred fatty foods were less likely to starve, leaving more offspring in the next generation. d. We do not actually prefer fatty foods; we prefer sugary foods. e. We like the way that lipid-rich foods taste.
Crossing-over and independent assortment of chromosomes ensure
What will be an ideal response?
A layer of organized colonies of bacteria coating a surface is also known as a
A) halophile. B) tissue. C) biofilm. D) plague.