Quarterly Exam 1 Study Guide

ITEMS THAT WILL APPEAR ON THE EXAM

CH1 and CH2: risk, probability, hypothesis, statistics, prediction, decision-making model, experiment, experimental method, correlation, value, mean, distribution, sample size, sustainability

CH4: natural selection, adaptation, evolution, artificial selection, evolution of resistance

CH5: biotic/abiotic, population, community, producer, consumer, herbivore, carnivore, omnivore, decomposer, 10% rule, human effect on CNP cycles, nitrogen-fixing bacteria, primary succession, secondary succession, food chain vs. web, energy pyramids

CH6: climate, biome, temperate grasslands, tundra, rain forests, taiga, chaparral, savannas, climate/latitude/altitude

SHORT ANSWER QUESTIONS

3. Explain the importance of sample size in statistical populations.

4. Imagine a population of birds that feeds only on hard-shelled nuts. They use their short, powerful beaks to crack through the shells to get to the nuts inside. Using specific terms and concepts discussed in class, explain how these birds might have evolved their specialized beaks.

5. Describe the difference between developed and developing countries. Give an example of each. Explain why the ecological footprint left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation.