Week 8 - Interactions and Ecosystems Unit Test

Study Guide


iiInteractions and Ecosystems - Study Guide

Below is a list of the topics covered by the questions that may appear on your exam. The entire exam consists of 50 multiple choice questions. Use the text, your notes, and information from the activities in Lotus Notes to help study for this exam.

Topics on the Interactions and Ecosystems Exam:

- define commensalism, parasitism, and mutualism
- understand how and why organisms adapt
- identify adaptations
- understand the difference between producers, consumers, and decomposers - what role does
each group have?
- define habitat
- identify habitats belonging to various organisms
- understand the process of quadrant sampling
- what is a pioneer species? what is a climax species?
- what is the difference between a biome, biosphere, habitat, ecosystem and microenvironment
- define herbivore, omnivore, and carnivore
- what is a niche?
- how does a food chain work?
- define predator and prey
- what is a species?
- understand the relationship of predator and prey populations ie, what happens if the prey
numbers increase?
- what does decaying matter in water bodies cause?
- define scavenger
- what were the problems associated with the use of DDT?
- explain the difference between abiotic, biotic, and dead
- what is a tolerance range?
- define population and community
- explain photosynthesis
- explain the difference between threatened, extinct, and endangered
- what are the possible outcomes from competition between species?
- what is a food web?
- explain what an ecological footprint is
- define sampling
- list examples of household waste, what is the most common household waste?
- what do plants need for optimal growth?
- define hibernation
- define migration
- how do herbicides and pesticides effect the environment?
- define controlled variables in an experiment
- use mark and recapture data to mathematically estimate the population of fish
- what happens to soil when vegetation is stripped?
- what caused the plains Buffalo to almost become extinct?
- what is a symbiotic relationship?
- what is the difference between a food web and a food chain?
- define humidity
- what is the relationship between ecosystems, individuals, communities, and populations?