Notes Jan 21 - *East Africa Hippo provides nutrients in...

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

View Full Document Right Arrow Icon
Biology Jan 21 Ecosystems- A collection of different communities living together with the a biotic and other living organisms Ecology- Study of interaction of living things with their environment (Biological and Physical) *Energy Sources *Autotrophs- self feeding; photosynthetic CO2+H2O+sunlight= glucose+ O2 *Heterotrophs- other feeding; other sources -Herbivore= Plant -Carnivore= Flesh -Omnivore=Pant or Flesh *Decomposers- Fungi and Bacteria A biotic sources: Physical, non- living things, geology, altitude, water availability, water quality, temperature, climate and weather factors Biotic Factors- Plants, Animals, Food sources, diseases, parasites, bacteria, fungi Food Chain or Food Webs- order in which energy is being moved Keystone species- without a certain species and ecosystem cannot survive
Background image of page 1

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

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

Unformatted text preview: *East Africa- Hippo provides nutrients in water, without that nothing can survive Habitat- place or surroundings where an organism lives Niche- Role of a species (plant or animal) within an ecosystem Biosphere- All global geological, climatic, and living things working together *Some sense like a “Giant Organism” *To a large part Homeostatic Things such as global warming demonstrate the potentially catastrophic effect by seemingly miniscule things Pyramid of Numbers ***Look at Diagram in Notes Biomass- Measure of stored energy (calories) Productivity- the amount of biomass produced in a year represented by g/m^2.year Trophic structure= “feeding levels” Trophic Levels- represent food chains and the amount of energy in each level Pyramid of Biomass ***Look at Notes...
View Full Document

This note was uploaded on 08/15/2011 for the course BIO 1005 taught by Professor Limcomb during the Spring '08 term at Virginia Tech.

Page1 / 2

Notes Jan 21 - *East Africa Hippo provides nutrients in...

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