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Secondary succession can happen after primary succession or independently of primary succession

Based solely on the inner planets, what relationship is evidenced between crust thickness and proximately to the Sun? A. The greater the distance from the Sun, the thicker the crust. B. None of the above. C.

Nitrogen fixing bacteria convert atmospheric nitrogen into forms of nitrogen that living things can use

Would you except to find muscle tissue in a plant? Why or why not?

Hunger can be defined as starvation a physiological drive to find and eat food a sensation caused by distension of the stomach and small intestine a psychological desire to eat

Which is a reason that many organisms that have existed on earth have left no fossils?

Are all organisms with similar physical characteristics related to one another? If not, why?

The first step in testing whether a population is in Hardy-Weinberg equilibrium is to calculate the allele frequencies in the population.

What type of learning describes when animals learn by watching or listening to others of their species?

The process of grouping things based on their similarities is?