Alligators will use their powerful feet, tail, and snouts to dig a hole through the mud, producing small ponds known as "alligator holes."
Many other species benefit fromalligator holes. During the dry season,
fish, turtles, and other aquatic animals live in thealligator holes.
Birds, terrestrial animals, and plants use these holes as a source of
water.
What term best describes the role of alligators in this ecosystem?
A. invasive exotic species
B. keystone species
C. producer
D. primary consumer

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.