Biology, 18.07.2019 05:30 hxmiltrxshh
Which statement best describes the differences in how flatworms and people remove waste from their body? a. flatworms release carbon dioxide directly from the skin, and use a simple digestive system to remove liquid waste. people use lungs to remove carbon dioxide, and have developed complex excretory and digestive systems to remove waste. b. flatworms do not need to remove carbon dioxide from their body, and do not have a system to remove solid or liquid waste. humans continually remove carbon dioxide and liquid waste from their body. c. flatworms store waste in their bodies until they die. people remove waste through kidneys and lungs.
Answers: 1
Biology, 21.06.2019 22:00
Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
Answers: 1
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 10:30
Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi
Answers: 1
Biology, 22.06.2019 12:00
If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6
Answers: 1
Which statement best describes the differences in how flatworms and people remove waste from their b...
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