Biology, 10.04.2020 01:06, dubose8872
The outermost layer of plant stems in dicotyledons consists of epidermal cells and guard cells that surround openings called stomata.
The epidermal cells are usually covered with a waterproof layer that provides protection from injury and water loss. The stomata allow gas exchange. The epidermal cells and stomata have functions similar to those of which two human body systems?
a. skeletal and respiratory
b. cardiovascular and skeletal
c. integumentary and respiratory
d. cardiovascular and integumentary
Answers: 3
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What percentage of light hits earth's surface directly?
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Biology, 22.06.2019 03:10, RiddleMeThis
Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."
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Biology, 22.06.2019 08:00, ladypink94
Can create a hboth of these instruments can measure wind speed. doppler radar and psychrometer anemometer and hygrometer doppler radar and anemometer radiosonde and psychrometer
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Biology, 22.06.2019 15:00, rgilliam3002
Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.
Answers: 2
The outermost layer of plant stems in dicotyledons consists of epidermal cells and guard cells that...
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