Biology, 08.11.2019 18:31 gharrell03
3. in the phylum porifera, the highest level of organization is arguably only at the cellular' levél. how
have the cnidarians become more complex in terms of organization? what does this mean?
Answers: 1
Biology, 22.06.2019 02:30
Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?
Answers: 1
Biology, 22.06.2019 04:00
Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone
Answers: 2
3. in the phylum porifera, the highest level of organization is arguably only at the cellular' levél...
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