Active transport in plants works against a concentration gradient and this allows for substances to pass through plant cells without an energy input.
Answer the following statement true (T) or false (F)
False
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Imagine that you are managing a large game ranch. You know from historical accounts that a species of deer used to live there, but they have been extirpated
After doing some research to determine what might be an appropriately sized founding population, you reintroduce them. You then watch the population increase for several generations, and graph the number of individuals (vertical axis) against the number of generations (horizontal axis). With no natural predators impacting the population, the graph will likely appear as _____. A) a diagonal line, getting higher with each generation B) an "S" that ends with a vertical line C) an upside-down "U" D) a "J," increasing with each generation
For a tissue or an organ to function as a unit, _____
A) there must be a signal molecule recognized by all cells in the tissue or organ B) there must be cell-cell communication among the cells within a tissue or organ C) the tissue or organ must perform similar functions D) the tissue or organ must be composed of all of the same type of cells
The functions of vascular tissue in plants include
_____ physical support of the plant. _____ photosynthesis. _____ transport of water. ______ transport of minerals. _____ transport of organic compounds. _____ transport of gametes.
Andrew Hendry and colleagues demonstrated that the process of speciation is gradual by studying the distribution and variation in gill raker length in ________
A) brook trout B) aquatic copepods C) salmonids D) threespine sticklebacks E) razorfish