AP Biology Test 1 Questions and Answers
what is the correct ordering of the levels of complexity at which life is studied, from most simple to most complex?
Cell, tissue, organ, organism, population, community
A key point in Darwin's explanation of evolution is that?
Any trait that confers ...
ap biology test 1 questions and answers what is th
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AP Biology Test 1 Questions and Answers
what is the correct ordering of the levels of complexity at which life is studied, from most simple to
most complex?
Cell, tissue, organ, organism, population, community
A key point in Darwin's explanation of evolution is that?
Any trait that confers even a small increase in the probability that its possessor will survive and
reproduce will be a strongly favored will spread through the population
After observing that fish live in clean water but not in polluted water, researchers state that "polluted
water kills fish" This simple statement is an example of?
a prediction
The main purpose of any single experiment is to?
test a prediction that is based on a hypothesis
The advantage of controlled experiments is that?
all variables are held constant except for one
An example of what can be answered by means of hypothesis
Are red roses more beautiful than yellow roses?
The atomic number of an element is the same as the number of ? in each atom
protons
Phosphorus has an atomic number of 15 and an atomic mass of 31. How many neutrons does it have?
16
The ability of an atom to combine with other atoms is determined by
the number and distribution of electrons
Because atoms can have the same number of protons but a different number of neutrons, elements
have
isotopes
The element magnesium has an atomic number of 12. Therefor, it has ? electron shells and ?
electrons in the outermost shell
3;2
The element silicon has an atomic number of 14. Therefore, it has similar properties to
carbon
Whats different about ionic and covalent bonds
electron sharing is more equal in the covenant bond
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