Annie wants to study the effect of gkucose on bacterial colonies. she grows two coloniesof bacteria-one with glucose present in the enviornment and one in an enviornment without glucose. categorize the statements about the experiment as either hypotheses or observations.

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?