Biology, 16.10.2020 18:01 christpress0
A paramecium is a unicellular organism that lives in pond water. It has a cell structure known as a contractile vacuole that uses energy to pump out water so that the paramecium does not burst. What does this demonstrate?
A.) osmosis
B.) diffusion
C.) homeostasis
D.) cellular respiration
Answers: 1
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
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Biology, 22.06.2019 21:30
Which of your fossils are most likely heterotrophs? which of them are autotrophs? how do you know?
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A paramecium is a unicellular organism that lives in pond water. It has a cell structure known as a...
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