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Biology Notes

by: Brittney Rude

Biology Notes Bio 150

Brittney Rude


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About this Document

Week 1 and 2 (approximate)
General Biology
John Ford
Class Notes
Biology, river, Falls, Ecology, Bioshpere, Science
25 ?




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This 4 page Class Notes was uploaded by Brittney Rude on Sunday October 9, 2016. The Class Notes belongs to Bio 150 at University of Wisconsin - River Falls taught by John Ford in Fall 2016. Since its upload, it has received 5 views. For similar materials see General Biology in Biology at University of Wisconsin - River Falls.


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Date Created: 10/09/16
Catadromous: spawning in saltwater and traveling to lie eggs in freshwater and to die Anadromous: (opposite) spawns in freshwater and makes way to saltwater Sargasso Sea: spawn-point of eels Sargassum: a plant growing in the SS, breeding grounds Tradewinds: predictable wind patterns, not present in Sargasso Sea Species: the ability to produce viable offspring ~2 million species named Hybrid: Cannot produce viable offspring ~Dogs are not a species, only have variations and breeds Biodiversity: All species Eels reach sexual maturity 8-10 years into their life Eels breathe ambient air, they can be out of water for short periods of time Prime sense of smell, locate up and thru rivers GPS in brain??? Atoms - Molecules - Cells - Tissue -Organ - Body System - Organism Population - Community - Ecosystem - Biosphere Book Notes (rewritten): Deductive reasoning: using general principles to predict specific results Inductive reasoning: observations to make general scientific principles Reductionism: Attempt to understand complex system by using only component parts Theory: A proposed explanation of natural phenomenon, a generally accepted idea Basic Research: extending boundaries of what we know Applied Research: Use scientific findings in practical areas such as medicine or industry Darwin: Preexisted by the theory of evolution, Natural Selection Cell Theory: All living things are made of cells Structure vs. Function: function develops a structure based on evolutionary relationship All living things exist in nonequilibrium states, they need constant supplies of energy Bacteria and Archaea are prokaryotic Protista, Animalia, Fungi and Plantae are eukaryotic Prokaryotes have no nucleus or membrane-bound organelles The silica gel of brown algae forms “diatomaceous earth” soft crumbly deposit To be alive: MUST POSSESS ABILITY TO PASS ON HEREDITARY TRAITS 1. Growth & Development 2. Metabolize with Environment 3. Homeostasis 4. Adaption 5. Respond to Stimuli 6. Organization 7. Reproduction Photoperiodism: the response of an organism to seasonal changes in day length Fish Video: 8000 trout/mi in 9mi creek? “Impervious” structures cause warm water pollution Land trusts, barriers and detention ponds help Cold Water Ecosystems Stream Rehab -remove vegetation -stream armoring (rocks hold up the scooped out banks) -stream flows narrow and deeper, prairies along the bank Avian predators can attack fish in shallow waters. A K-Den creates a plunge pool where water flows and scours out sediment to create a hiding spot for fish under the bank, occurs naturally in a stream A Lunker Structure is a wooden structure in a bank so fish can swim inside and hide from predators on the bank, built and inserted during stream rehab Mottled Sculpin: dark on back, light on belly is their camo, they are an indicator species, first to disappear if water quality dips Brook Trout: native species living in high quality water, brook and brown trout reproduce in cold water All trout have an adipose fin with no known use, no regeneration ability Tail can be clipped, caudal identification Floy tagging is long term, but increases chances of mortality for that fish Species Diversity: number of individuals in a species Species Richness: number of species in an area Zoos have great richness but poor diversity Endemic Species: a species that is only found in one location In many hot spots, like Madagascar, logging is causing mass extinctions of species, lowering biodiversity overall Fragmentation: removing parts of cover and separating it into smaller, spread about pieces Habitat: an animal’s “address” where it lives Niche: an animal’s role, what it eats, what it does to survive


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