Darwin's inference that individuals within a population compete for limited resources was based on which
observation(s)?
a. Most organisms produce more than one or two offspring.
b. Populations do not increase in size indefinitely.
c. Food and other resources are limited for most populations.
d. Most organisms produce more than one or two offspring and populations do not increase in size indefinitely.
e. Most organisms produce more than one or two offspring, populations do not increase in size indefinitely, and
food and other resources are limited for most populations.
ANSWER: e
You might also like to view...
Sumatra is home to one species of orangutan, a species of critically endangered elephant, and the Sumatran tiger, but half of Sumatra’s forest is now gone. The neighboring island of Borneo, home to the other species of orangutan, has lost a similar area of forest. Forest loss continues in protected areas of Borneo. All three species of orangutan are now listed as endangered by the International Union for Conservation of Nature (IUCN), but they are simply the most visible of thousands of species that will not survive the disappearance of the forests in Sumatra and Borneo. This is an example of which type of threat to biodiversity?
a. introduction of exotic species b. global climate change c. habitat loss d. overharvesting
Where is NADPH formed in the accompanying diagram?
a. F b. 4 c. 3
d. 2 e. B
A mutualism in which the survival of one or both participants is dependent on the other is ____
Fill in the blank with the appropriate word.
The suprachiasmatic nuclei are found in the _____
A) hypothalamus B) epithalamus C) amygdala D) Broca's area