B. Communities exist within populations which exist within ecosystems is false. -
ANS-Which of the following statements is false?
A. Tissues exist within organs which exist within organ systems.
B. Communities exist within populations which exist within ecosystems.
C. Organelles exist within cells which exist within tissues.
D. Communities exist within ecosystems which exist in the biosphere.
The hypothesis is 3 - something is wrong with the outlet.
The prediction is 4 - if something is wrong with the outlet, the coffeemaker won't work
when plugged into the same outlet.
Hypothesis fails, alternative is that the toaster is broken. - ANS-In the example below,
the scientific method is used to solve an everyday problem. Which part in the example
below is the hypothesis? Which is the prediction? Based on the results of the
experiment, is the hypothesis supported? If it is not supported, propose some
alternative hypotheses.
1. My toaster doesn't toast my bread.
2. Why doesn't my toaster work?
3. There is something wrong with the electrical outlet.
4. If something is wrong with the outlet, my coffee maker also won't work when plugged
into it.
5. I plug my coffeemaker into the outlet.
6. My coffeemaker works.
The smallest unit of biological structure that meets the functional requirements of "living"
is the CELL. - ANS-The smallest unit of biological structure that meets the functional
requirements of "living" is the _____
a. organ
b. organelle
c. cell
, d. macromolecule
biosphere, ecosystem, community, population, organism. - ANS-Which of the following
sequences represents the hierarchy of biological organization from the most complex to
the least complex level?
a. organelle, tissue, biosphere, ecosystem, population
b. organ, organism, tissue, organelle, molecule
c. organism, community, biosphere, molecule, tissue, organ
d. biosphere, ecosystem, community, population, organism
The type of logical thinking that uses related observations to arrive at a general
conclusion is called INDUCTIVE REASONING. - ANS-The type of logical thinking that
uses related observations to arrive at a general conclusion is called ____.
a. deductive reasoning
b. the scientific method
c. hypothesis-based science
d. inductive reasoning
A hydrogen bond represents a weak chemical bond. - ANS-Which type of bond
represents a weak chemical bond?
a. hydrogen bond
b. ionic bond
c. covalent bond
d. polar covalent bond
An isotope of Sodium has a mass number of 22. It has 11 neutrons. (22, the mass
number - minus the atomic number) - ANS-An isotope of sodium (Na) has a mass
number of 22. How many neutrons does it have?
a. 11
b. 12
c. 22
d. 44
ALL OF THE ABOVE. Fructose, glucose, galactose are all examples of a
monosaccharide. - ANS-An example of a monosaccharide is _____.
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