The Convention on International Trade in Endangered Species (CITES) addresses all of the following except
a. It restricts international trade of roughly 5,000 species of animals.
b. It restricts international trade of roughly 28,000 species of plants.
c. It focuses on ecosystems rather than individual species.
d. It has helped to reduce international trade on elephant ivory.
e. It has been signed by 174 member countries, including the United States.
C
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________ are geological forces generated inside the Earth.
A. Electrochemical forces B. Celestial forces C. Tectonic forces D. Inertial forces E. Surficial forces
Some beetles escape from a ship and fly to a small island covered with grass but with no trees or beetle predators. As the beetles feed, they destroy all the grasses. But with abundant food, the beetle population soars, doubling in size every month
After about a year, the population crashes as thousands of beetles have destroyed almost all of the plants and there is little left to feed the large population. This scenario best illustrates A) constant growth followed by equilibrium. B) a population that has stabilized near its carrying capacity. C) exponential growth followed by a population crash. D) the fact that the beetles have strong competition from other species for food supply.
Suppose it is summer in the northern hemisphere. What happens to temperatures in the southern hemisphere if tilt angle increases to 25 degrees?
A. stay the same B. warmer C. colder
The concept of space-time compression means
A) as an object moves faster through space, time slows for that object. B) people no longer have time to read books. C) today it is harder than ever to keep track of what is happening in distant places. D) distant places in the world are becoming effectively closer together. E) there is more space in smaller places than ever.