As agriculture throughout the world improves and standardizes species of plants it is helping to:
a. destroy the diversity of plant species.
b. increase production in all parts of the world.
c. preserve wild species more tolerant to climate changes.
d. decrease soil erosion.
e. reduce the need for genetically modified foods.
Question 2
In the United States, how much cropland is used to produce feed for livestock?
a. less than what is used to produce grain for people
b. more than what is used to produce grain for people
c. more than the size of the whole continent of Africa
d. less than what is needed to feed all the people of Europe
e. more than the surface area of all the oceans combined
Extinction of species in the past.
Relationship between fruit radius and beak length in populations of native and introduced species of
Eye configuration of a Hogna species
The common squirrel monkey (Saimiri sciureus) is a small New World primate from the Cebidae (squirre
The comparative brain sizes of different species
Psychological Dimensions of the Visual World