Which of the following descriptions about the organization of an ecosystem is correct?
Communities make up species, which make up populations.
Populations make up species, which make up communities.
Species make up communities, which make up populations.
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Species make up populations, which make up communities.

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

What are the two main phases of a cell cycle

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point