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Ecology Review. Question 1- Organization. List the following levels of organization from SMALLEST to LARGEST A- Ecosystem B- Species C- Community D- Population. Answer 1. Species Population Community Ecosystem. Question 2. Which of the following is an abiotic factor of an ecosystem?
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Question 1- Organization • List the following levels of organization from SMALLEST to LARGEST • A- Ecosystem • B- Species • C- Community • D- Population
Answer 1 • Species • Population • Community • Ecosystem
Question 2 • Which of the following is an abiotic factor of an ecosystem? • A- The number of predators • B- The amount of producers • C- The amount of herbivores • D – The type of soil
Answer 2 • D- the type of soil • Abiotic factors are the NON-Living factors of an ecosystem
Question 3 • Steps in a food web are called: • A- Food levels • B- Consumer levels • C- Trophic levels • D- Organism levels
Answer 3 • C- Trophic levels
Question 4 List 3 secondary consumers in the food web above
Answer 4 • Owl • Bird • Wild Cat
Question 5 List all Apex predators in this food web
Answer 5 • Lioness • Eagle
Question 6 • Cowbirds follow bison and eat small insects that the bison make fly up while walking through the grass. • What type of relationship is this between the cowbirds and the bison?
Answer 6 • Commensalism • The cowbird benefits from the food the bison kicks up • The bison is unaffected by the cowbirds
Question 7 • The falling of water from clouds to the ground is know as…
Answer 7 • Precipitation • Can be rain, snow, sleet, hail etc.
Question 8 • What are two sources of nitrogen fixation?
Answer 8 • Bacteria • Lightning
Question 9 • Which is most likely to be the first organism to return to an ecosystem after a natural disaster? • A- Grass • B- Mammals • C- Lichen • D- Reptiles
Question 10 • What is the name of the volcano in Washington state that famously erupted in 1980, killing 57 people, destroying hundreds of miles of forests and causing 1.1 billion dollars of damage?
Answer 10 • Mount St. Helens