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Ecology (Chapter 51 Animal behavior (Operant Conditioning (testing until…
Ecology
Chapter 51 Animal behavior
Operant Conditioning
testing until the correct answer is found
B.F Skinner and his rat contraption
may not be the best form of evolution due to the trial & error
Habituation
the formation of Habits
waking up with out an alarm after using one for a long time
takes a shorter amount of time and is possibly the best
Associative learning
learning to Associating two separate things together
Pavlov and Pavlov's dog
evolution possible but yet again it will be over a long time
Imprinting
teaching a behavior at a critical point in life
Ducks will follow the mother until they are older
Can evolve due to the ability to mimic
Observational learning
learning through visual stimulation
Monkey see monkey do
This mimicking results in fast adaptation due to others learning by example
Fixed Action Pattern
Actions taken until completion
A goose who puts eggs in the nest that have fallen out
Can evolve but there needs to be sufficient stimuli for change
Insight
High level thinking when faced with difficult problems
"The candle test" sticking a candle to a wall with tacks and a box
problematic due to needing to have a more developed brain so evolution kind of caps off
Innate
actions performed without the need of being taught
A human baby's grab reflex
Chapter 52 Ecology and the Bioshpere
Terrestrial Biomes
Savanna
near equator, dry and hot, tall grass and large grazers and their predators
Chaparral
Mid latitude, dry and wet seasons, shrubs, deer, rabbits and reptiles
Temperate Grassland
Flat grassy areas, rains in season, seasons vary, tall grass, grazers
Desert
Extreme hot or cold, not much rain, Cacti, and few animals
Northern Coniferous Forrest
Northern US and Siberia, rainy, cold, conifers, moose and bears
Tropical Forest
Hot, wet, lots of trees and animals near equator
Temperate Broad leaf Forest
New England, and South Africa, wet, seasonal, Deciduous trees, squirrels
Tundra
Near poles, rain dependent on location, cold, shrubs and mosses
Aquatic Biomes
Streams/Rivers
Streams form into rivers and most of the time they are cold, and can carry nutrients from forested streams
Estuaries
Transition from Rivers to Sea, salt content varies between high and low tide, and due to high nutrients this is a productive biome
Wetlands
water-saturated soil, can filter dissolved nutrients, and chemical pollutants
Intertidal Zones
Places that are some times under water, Oxygen is replenished with the turn of the tide
Ocean Pelagic Zones
Open ocean, with light going farther down than than on the coastline, nutrients varies between location and time of year Oxygen levels are high
Lakes
Light decreases in depth, and can be Oligotrophic or Eutrophic
Coral Reefs
Formed by skeletons of Corals, constant tropical temperature, with high oxygen levels and inputs of fresh water, and near islands
Marine Benthic Zones
Seafloor , no sunlight cold temperatures, and oxygen levels are sufficient to sustain life
Environmental effects
Tilt and Spin of the earth
Causes seasons due to the angle of sunlight
Causes winds of at different latitudes
Coriolis effect
Makes objects move the right in the northern hemisphere and left in the southern hemisphere
Rain shadow
The effect that makes rich valleys near the coast and deserts on the other side of the mountains
Chapter 53 Population Ecology
Population Density & Dispersion
They are effected by the abundance of resources
Density
can be changed by immigration, emigration, births and deaths
Dispersion
has patterns of clumped, uniform, and random
Factors that effect population growth
Dependent
birth rate or death rate that does not
change with population density
Independent
birth rate or death rate that does not change with population density
Population Growth
A graph on how population grows overtime
Exponential
Grows at a rate and then crashes due to the resources not being able to support the population
Logistical
Stays near the resource level to avoid a collapse of the population