Biology, 03.04.2021 02:10 kprincess16r
Fossils of organisms that are different than today's organisms and are found in deeper rock layers indicates that
A.
evolution has occurred
B.
organisms must have changed over time
C.
evolution occurred faster in the past
D.
Both A and B
Answers: 2
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Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters
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Biology, 22.06.2019 07:30
Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box
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Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside
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Biology, 22.06.2019 20:10
18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.
Answers: 2
Fossils of organisms that are different than today's organisms and are found in deeper rock layers i...
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