★ Circulatory and Lymphatic System Quiz
Skeletal muscle contractions account for the flow of blood in:
A. veins and arteries
B. arteries and capillaries
C. veins
D. arteries
Select your answer:

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Plant Biotechnology › ViewWhat would be a positive reason to genetically alter Fraser Fir trees in North Carolina to make them more resistant to rot?
A. By producing crops that are frost resistant
B. By making robots to replace large farm machines
C. The population of fir trees would increase and grow healthier.
D. By increasing the use of wind farms that produce electricity
Prokaryotic Cells and Viruses › View
Is it a eukaryotic or prokaryotic cell?
A. prokaryotic
B. eukaryotic