Threshold trait
A trait that falls into natural groups that originate not in categorically distinct causes but in whether or not the outcome attains critical values; e.g., gallstones may result from a categorical cause or from unusual levels of causal factors that themselves show no evidence of grouping.
Synonym: liminal trait.
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..