When you eat your dinner each evening, you are best demonstrating which property of life? - correct
answer ✔✔need for energy
The ability of the body to keep blood pressure, body temperature, and other internal conditions within a
relatively narrow range is called: - correct answer ✔✔homeostasis
In a negative feedback system the response of the effector - correct answer ✔✔eliminates the original
stimulus
Which of the following is a domain? - correct answer ✔✔eukarya
In taxonomy, the "Homo" part of Homo sapiens is the: - correct answer ✔✔genus
What does a scientist do after making observations? - correct answer ✔✔formulate a hypothesis
Evolution, cell theory, and germ theory are considered to be theories because - correct answer ✔✔they
are well-supported explanations of the natural world that have not been disproved
Humans and primates share which of the following characteristics? - correct answer ✔✔opposable
thumb
Which of the following statements is correct? - correct answer ✔✔hominids and chimpanzees share a
common ancestor
The study of interactions between the living and non-living components of a defined area is called -
correct answer ✔✔ecology
Autotrophs - correct answer ✔✔make food for themselves by photosynthesis or chemosynthesis
, An organism that consumes decaying matter is called - correct answer ✔✔a detrivore
Which collection of elements are the most common in the human body? - correct answer ✔✔oxygen,
carbon, hydrogen, and nitrogen
The atomic number is equal to - correct answer ✔✔the number of protons
Which description of Ca2+ is most accurate? - correct answer ✔✔a cation that has lost two electrons
How many electrons are in the valence shell of the atom shown here? - correct answer ✔✔Five
The high specific heat of water makes it - correct answer ✔✔a good temperature buffer
Which of the following chemical bonds is the weakest? - correct answer ✔✔hydrogen
What makes an acid different from a base? - correct answer ✔✔acids contain more hydrogen ions than
bases
Glucose belongs to which category of carbohydrate? - correct answer ✔✔monosaccharide
What would happen if the active site of an enzyme had a different 3D shape? - correct answer ✔✔the
enzyme would not be functional
The cell theory includes all of the following tenets except: - correct answer ✔✔cells are made up of
similar shapes and sizes
A key difference between eukaryotic and prokaryotic cells is that - correct answer ✔✔eukaryotes have a
nucleus and prokaryotes do not
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