ISB 202 11-25-08 - ISB 202 Detritus dead organic matter...

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

View Full Document Right Arrow Icon
11-25-08 Detritus- dead organic matter Kinds of species interaction: o 1. Predation-keeps the ecosystem in balance 1880s there huge caribou slaughter in Canada taking their tongues salting them and shipping them back to Europe o 2. Parasitism-one benefits, the other loses Tapeworms (inside) Mistletoe on plants o 3. Mutualism-each benefits (symbiosis) Bees and flowers Bird picking ticks off of a rhinoceros Bacteria in our stomach Certain fish swim inside alligator’s mouth to clean Nitrogen fixation by bacteria in nodules on roots Mycelia (fungi) on plant roots o 4. Commensalism- one benefits w/o hurting the other E.g.: Epiphytes (aerophytes) don’t hurt the trees but do get some moisture from their bark. Orchids All other organisms do just fine-people are the ones who mess up the delicate balance in nature Environment o Made up of two big input components: 1. Solar capital- sun’s energy
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 04/21/2011 for the course ISB 202 taught by Professor Johnson during the Fall '08 term at University of Michigan.

Page1 / 3

ISB 202 11-25-08 - ISB 202 Detritus dead organic matter...

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