Biology Questions

The amount of energy lost at the transition between each trophic level of the pyramid of energy is about _______.
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Which factor is not used to define biomes? a. plant structures b. leaf type c. historical similarities d. climate
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This group of animals is primarily aquatic and has mandibles and two pairs of antennae. Which group is this?
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Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?
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The process of ___________________leads to the formation of new species by ___________________.
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Which of the following describes a structure that both prokaryotic and eukaryotic cells have in common?
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How does the water get to the leaves in the tops of the tallest trees against the force of gravity?
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The _______ in plants is directly responsible for absorbing light energy.
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The movements of energy and nutrients through living systems are different because
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Is a source of genetic variation that refers to a random error in the genetic code.
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Most wind erosion is caused by _____. saltation abrasion traction plucking
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Which base is found only in DNA? adenine guanine cytosine thymine
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What would happen to skin cells if mitosis did not take place?
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How many electrons are in the n = 2 shell of the oxygen atom before bonding?
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Gases such as oxygen and carbon dioxide cross the plasma membrane by
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What happens to an enzyme's structure as it exceeds the typical human body temperatur?
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A variation of pronounce is a. Proclaim c. Produce b. Profound d. Pronunciation
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The flat portion of a valley floor adjacent to a stream channel is called a
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