Aplant is starting to fall over because the plant can no longer support its own weight. students want to find out why this is happening. which of the following is a good hypothesis for their experiment?
a. the plant is producing cellulose molecules.
b. the plant is not producing simple sugars to support its structure.
c. the polysaccharides in the plant are breaking down.
d. the glucose molecules in the plant are breaking down.

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Give an example of a trait that is controlled by more than one gene.

This is the process of making a prediction based on the results of prior observations of similar events.