Several dozen species of plants and animals cease to exist every day. This trend is referred to as
a. the demise of the ecosystem.
b. declining biodiversity.
c. ecological Armageddon.
d. ethnographic doomsday.
Question 2
A social-conflict theorist who takes a Marxist class-conflict position is likely to agree with which of the following statements?
a. The hierarchical organization of the United States gives control over our society to the greatest number of people.
b. Most of the harm done to the natural environment is directed at people living in overdeveloped nations.
c. Most of the planet's people live in poor societies and will never raise their living standards under the current capitalist world economy.
d. Corporate executives who order the release of pollutants or toxic waste are usually held personally accountable for their actions.
Different mechanisms of sex determination in animals.
Comparison of small subunit (SSU) rRNA gene sequences from three animals and a protist.
Species richness decreases with distance from the source pool.
Plants
Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ...