SOLUTIONS GUARANTEE A+
✔✔Two key variables - ✔✔Good science experiments focus on
✔✔True - ✔✔A dependent variable is the same thing as the outcome.
✔✔True - ✔✔In an experiment, the only variable influencing outcome is the
independent (or test) variable.
✔✔Are held constant - ✔✔Controlled variables
✔✔False - ✔✔It is a good idea to investigate more than one manipulated variable and
one responding variable at a time.
✔✔True - ✔✔Experiments should always be begun with a tentative explanation in mind.
✔✔A hamster's breathing rate will increase as its activity level increases. - ✔✔Choose
the testable hypothesis statement.
✔✔They demonstrate key points of science quickly - ✔✔Visuals and graphics are used
in science because
✔✔This will help them draw conclusions. - ✔✔Charts for elementary school students
include graphics because
✔✔can serve the same function as charts. - ✔✔Spreadsheets
✔✔Line graph - ✔✔The type of graph most often used to display results of a science
experiment is a
✔✔homeostasis - ✔✔The ability of an organism to maintain a steady internal state
despite changing environmental conditions is called:
✔✔True - ✔✔In asexual reproduction, all offspring are identical to the parent and
identical to each other—i.e., their genetic material is an exact copy.
✔✔protists - ✔✔Which of these groups contains eukaryotic single-celled organisms?
✔✔plastids - ✔✔Which of these organelles is only found in plant cells?
✔✔photosynthesis - ✔✔Which physiological process contains the Calvin Cycle?
✔✔oxygen - ✔✔Which of the following is not a by-product of cellular respiration?
, ✔✔oviparous - ✔✔Animals that reproduce by laying eggs that develop and hatch
outside the mother's body are called:
✔✔endocrine - ✔✔Which organ system regulates metabolism in humans?
✔✔cardiovascular and lymphatic systems - ✔✔Which two organ systems work together
to form the circulatory system?
✔✔True - ✔✔Mutations may be positive, negative, or neutral for the life of an organism.
✔✔Natural selection - ✔✔The rate at which offspring are produced in every species is
greater than the rate at which the environment can provide food, shelter, and other
needs. Plants and animals that carry the advantageous traits will come to outnumber
those without them, causing a shift in the common characteristics of the species over
time. This is a description of:
✔✔Heredity - ✔✔When traits or characteristics are passed from ancestors to
descendents, it is called
✔✔Theory - ✔✔Which of the following best describes plate tectonics, also called
continental drift? It's a
✔✔Nested - ✔✔The complete Linnaean taxonomic system is
✔✔transpiration - ✔✔Through which process do green plants contribute water vapor to
the water cycle?
✔✔Nonrenewable - ✔✔Coal
✔✔renewable - ✔✔Fisheries
✔✔renewable - ✔✔Forests
✔✔Nonrenewable - ✔✔Minerals
✔✔Nonrenewable - ✔✔Natural gas
✔✔Nonrenewable - ✔✔Oil
✔✔renewable - ✔✔Sun
✔✔renewable - ✔✔Water