Which of the following is an example of an r-selected species?   a. Whales   b. Elephants   c. Humans   d. Most insects   e. Most tropical rainforest trees

A farm grows tomatoes, basil, and lettuce together. The basil repels pests that like to eat tomatoes and both plants can increase the number of pollinators that the farm attracts. This is an example of: _________.   A. Facilitation B. Temporal diversity C. Complementarity D. Buffer strips E. A delicious salad F. A and C

Wildebeest are species of antelope found in southern Africa. The wildebeest herd in Serengeti National Park, Tanzania, is the largest herbivore herd on Earth. Scientists began monitoring the sizes of the Serengeti's large mammal populations in the 1960s. Over the next few decades, they noticed something unusual: the wildebeest population was increasing at a rate much faster than before. The scientists determined that this increase was due to several factors. One factor was a vaccination program that eradicated rinderpest, a viral disease that kills wildebeest. Based on the figure, what kind of population growth model would you use to represent wildebeest (circles) populations? wildebeest zebra 1960 1970 1980 1990 2000 year Figure 1. Wildebeest and zebra populations in the Serengeti from the 1950s to 2010. vaccination campaign 00000L 000000 000009 000007 population

We observe very few cases of war among countries with democratic regimes. Which of the following concepts refers to this phenomenon? A. Capitalist peaceB. Democratic unityC. Democratic peaceD. World peace