On some islands, during the mating season, birds compete intensely for breeding sites. On these islands, these breeding sites represent a(n)
A) limiting factor.
B) zone of stress.
C) environmental condition.
D) limit of tolerance.
A
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The 2000 leakage of a cyanide leaching pond in Romania that release toxic metals into the Danube and Tisza Rivers was an entirely preventable event
Indicate whether the statement is true or false
From this cross section of the Grand Canyon, what occurred between the formation of the Precambrian metamorphic rocks and the deposition of the lowest Paleozoic rocks?
A) Uplift
B) Erosion
C) Deposition and tilting of the Precambrian sedimentary and igneous rocks
D) Uplift and erosion
E) All of these are correct.
The carrying capacity of Earth has not quite been reached yet which is why our population is able to
grow. Indicate whether the statement is true or false.
Ultraviolet radiation, X-rays, and extreme temperatures are all _____
A)chromosomes B)populations C)genes D)mutagens E)mutations