Biology, 02.04.2020 10:10 quetzaliescalona
Which of the following is a characteristic of unicellular organisms?
They can possess tissues and organs
All of their functions are performed by a single cell.
They are usually microscopic.
Each of their cells is specialized to perform a specific function
Answers: 3
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Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?
Answers: 1
Biology, 21.06.2019 20:40
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Biology, 22.06.2019 10:00
Number and variety of living organism; includes genetic, species, and ecological types
Answers: 1
Which of the following is a characteristic of unicellular organisms?
They can possess tissues...
They can possess tissues...
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