Using complete sentences, answer the following questions individually:

1. Using complete sentences, answer the following questions individually: • Describe an experiment that would require a quadrant study. • Draw and label a population graph that shows the following (make sure to label your axes): • A small population takes 20 years to begin growing. • A population of predators went through an extinction event due to a virus. These predators were the only limiting factor for your sample population. • 5 years after the original predators went extinct, an invasive species in introduced into the environment and brings your population to the environment’s carrying capacity. • 60 years after the invasive species is introduced, your population suffers an extinction event. • Describe 5 characteristics of an invasive species. • Why are invasive species so strongly connected to human behavior? • Which industries are most responsible for introducing invasive species into the wild? • Describe lake overturn (use the terms hypolimnion, epilimnion, and thermocline). • What are three consequences of lake overturn for the organisms that live in the lake? • Complete the diagram described on the following page:

2. In groups of 2: Draw & label a food web that includes the following: • Producers Epilimnion • Primary Consumers Hypolimnion • Secondary Consumers Nektonic • Tertiary Consumers Planktonic • Detrivores Benthic • Estuary • Open ocean • Euphotic Zone • Abyssalpelagic/bathylpelagic