On a hike through the forest, you notice a population of 100 flowering plants that all look identical (phenotypic clones), and they span an area of approximately 100 square meters. You take some representatives from one corner of their distribution back to the lab, sequence their DNA, and conclude that they are also genetic clones. Based on this information, is this statement

1. true
2. false

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Cells are adapted to preform specific functions. which of the following terms refers to this capability?