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Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?
parenchyma cells
guard cells
phloem cells
companion cells
Answers: 2
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, 21.06.2019 22:30
Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials
Answers: 2
Biology, 22.06.2019 03:30
Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry
Answers: 2
Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?
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