HW1 - 1. What five essentials are needed for human...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1. What five essentials are needed for human existence? air, water, food, heat, and light. 2. Define the following terms: a. Biosphere: Incorporates all living matter regardless of the physical sector in which it is found. b. Ecology: The study of living organisms within their environment. c. Population: Group of individuals of one kind of organism. d. Carnivore: Any living organism that consumes flesh for sustenance. e. Intensification: Increased concentration of hazardous contaminants as you move up the food chain. f. Mutualism: The existence of two organisms that live together for their mutual advantage. g. Eutriphication: Nutrient enrichment of lakes where excessive growth of plants depletes the dissolved oxygen present in the water. h. Solar flux: The amount of solar energy arriving at the earth’s outer atmosphere. 3 What are the main ecosystem divisions? a. Living 1. Producers 2. Consumers 3. Decomposers a. Non-Living 1. Energy 2. Materials 4. How does plant transpiration affect the hydrologic cycle? Transpiration adds to the water in the atmosphere.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/06/2011 for the course CE 350 taught by Professor Nies,l during the Spring '08 term at Purdue.

Page1 / 2

HW1 - 1. What five essentials are needed for human...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online