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68 Cards in this Set

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Self-controlling feedback system
A system that is composed of groups of interrelated parts that function to produce an equilibrium.
Feedback loop mechanism = close loop system
What are the four components of a feedback system
1) Source of energy
2) Means of transferring energy into a usable form
3) System must have ability to vary with conditions (cannot be static)
4) System must have inherit limitations in efficiency. If too efficient, it will break down
What are two problems of "equilibrium in ecology"
1) No system is in constant and perfect equilibrium
2) Function of a system does not create stability (balance between competition and cooperation)
What are the abiotic components of an ecosystem
Elements: C,H,O,N,P,K
Solar energy
What is a biome? What are the five components of a biome?
Biome = combined relationship between abiotic and biotic elements
Main components: MALTA
1) Moisture
2) Altitude
3) Light
4) Temperature
5) Atmosphere
What are the three classes of biotic elements?
Producers- plants take abiotic elements and produce biotic elements
Consumers- obtain all energy from producers
Decomposers- feed of the dead organic material and convert biotic elements to abiotic (simple) organic material
What is a trophic system? What are the different components of a trophic system?
Trophic system- transfer of energy through an ecosystem

Autotrophic level- plants use solar energy to convert inorganic chemicals into organic chemicals. This is the first level of a trophic system. Competition for abiotic components determines the form of a plant

Hetertrophic level- get energy directly from biotic elements
1) Herbivores: These are primary consumers. Ex = colobinae
2) Carnivores: These are secondary consumers. Eat animals that eat plants. Ex = tarsiers
3) Decomposers
What are some of the evolutionary adaptations that have been made by herbivores to aid in plant digestion?
1) Many molars
2) Enlarged cecum
3) Multisached stomachs
Self-controlling feedback system
A system that is composed of groups of interrelated parts that function to produce an equilibrium.
Feedback loop mechanism = close loop system
What are the four components of a feedback system
1) Source of energy
2) Means of transferring energy into a usable form
3) System must have ability to vary with conditions (cannot be static)
4) System must have inherit limitations in efficiency. If too efficient, it will break down
What are two problems of "equilibrium in ecology"
1) No system is in constant and perfect equilibrium
2) Function of a system does not create stability (balance between competition and cooperation)
What are the abiotic components of an ecosystem
Elements: C,H,O,N,P,K
Solar energy
What is a biome? What are the five components of a biome?
Biome = combined relationship between abiotic and biotic elements
Main components: MALTA
1) Moisture
2) Altitude
3) Light
4) Temperature
5) Atmosphere
What are the three classes of biotic elements?
Producers- plants take abiotic elements and produce biotic elements
Consumers- obtain all energy from producers
Decomposers- feed of the dead organic material and convert biotic elements to abiotic (simple) organic material
What is a trophic system? What are the different components of a trophic system?
Trophic system- transfer of energy through an ecosystem

Autotrophic level- plants use solar energy to convert inorganic chemicals into organic chemicals. This is the first level of a trophic system. Competition for abiotic components determines the form of a plant

Hetertrophic level- get energy directly from biotic elements
1) Herbivores: These are primary consumers. Ex = colobinae
2) Carnivores: These are secondary consumers. Eat animals that eat plants. Ex = tarsiers
3) Decomposers
What are some of the evolutionary adaptations that have been made by herbivores to aid in plant digestion?
1) Many molars
2) Enlarged cecum
3) Multisached stomachs
Self-controlling feedback system
A system that is composed of groups of interrelated parts that function to produce an equilibrium.
Feedback loop mechanism = close loop system
What are the four components of a feedback system
1) Source of energy
2) Means of transferring energy into a usable form
3) System must have ability to vary with conditions (cannot be static)
4) System must have inherit limitations in efficiency. If too efficient, it will break down
What are two problems of "equilibrium in ecology"
1) No system is in constant and perfect equilibrium
2) Function of a system does not create stability (balance between competition and cooperation)
What are the abiotic components of an ecosystem
Elements: C,H,O,N,P,K
Solar energy
What is a biome? What are the five components of a biome?
Biome = combined relationship between abiotic and biotic elements
Main components: MALTA
1) Moisture
2) Altitude
3) Light
4) Temperature
5) Atmosphere
What are the three classes of biotic elements?
Producers- plants take abiotic elements and produce biotic elements
Consumers- obtain all energy from producers
Decomposers- feed of the dead organic material and convert biotic elements to abiotic (simple) organic material
What is a trophic system? What are the different components of a trophic system?
Trophic system- transfer of energy through an ecosystem

Autotrophic level- plants use solar energy to convert inorganic chemicals into organic chemicals. This is the first level of a trophic system. Competition for abiotic components determines the form of a plant

Hetertrophic level- get energy directly from biotic elements
1) Herbivores: These are primary consumers. Ex = colobinae
2) Carnivores: These are secondary consumers. Eat animals that eat plants. Ex = tarsiers
3) Decomposers
What are some of the evolutionary adaptations that have been made by herbivores to aid in plant digestion?
1) Many molars
2) Enlarged cecum
3) Multisached stomachs
How many levels of consumers are possible? What is the level of scavengers? parasites?
There are 13 possible levels (n+12)
Savengers: N + 1
Parasites: N + 2
Eltonian Pyramid
See notes
How much energy is lost in transfer between consumer levels
About 90% is lost. That is, only 10% is transferred to the next energy level
What is the process of succession?
An orderly change in the environment from one community to another until a stable equilibrium is attained at that area
What is a climax community? What are characteristics of a climax community?
Climax Community: a community where no other species is able to out-compete that of a native species. This is an example of a dynamic equilibrium

Characteristics
1) Germination rates = death rates
2) Plants share similar structural features
What is a disclimax?
Overuse of the environment which prevents a climax community from ever being reached
What is the optimum environment for a seedling?
The optimum environment is the environment that came before that environment developed
What is primary succession? What happens during primary succession?
Normalization of the environment by pioneer plants and abiotic elements. This creates near optimal conditions for vascular plants. Formation of soil occurs during this period
Desert
1) Less than ten inches of rain each year
2) More daily variation in temperature than seasonal variation
3) Most animals are small
4) Primates are rare because little water and difficult to regulate temperature. Some primates border deserts, including the patas monkey, baboons and lemurs.
5) No new world monkeys border deserts
Grasslands
1) Intermittent rain between 10-14 inches of rain annually
2) Plants- grasses and bamboo
3) Primates present: patas monkey, baboons, lemurs, maccax, gorillas
Tropical Rain Forest
1) Torrential rain
2) Plant growth is perennial (year round)
3) Have continuous canopy
Contain many species of primates- most prevalent here
Deciduous forest
1) More seasonal variation in temperature than daily variation in temperature
2) Mostly in temperate zones
3) Characterized by warm summers and cold winters
4) Rain is seasonal- varies between 30-40 inches per year
5) Includes Meccata Mocata, Langers and the Chinese golden monkey
Taiga / Tundra
Cold climate
No primates found here
Neutralism
(0,0). Neither population is affected by the presence of another
Competition
(-,-). Each population adversely affects the other in struggle for food, nutrients and space
Mutualism
(+,+). Growth and survival of both populations are benefited by presence of another. Neither could survive without the presence of another. Ex. gut flora
Protocooperation
(+,+). When both populations benefit from presence of each other, but relationship is not obligatory. Ex. Flowers and insects
Commensalism
(0,+) One population benefits and the other is not affected
Amensalism
(0,-) One population is inhibted and the other is not affected (ex. Penicillin)
Parasitism (+,-)
One population adversely affects the other by direct attack
Predation (+,-)
One population, the predator, kills and consumes the other population, the prey
Liebrig's Law of the Minimum
States that the material
(including chemical, water, heat, energy, space) that is most limited in supply will be the limiting factor for the population. I.e. An organism is no stronger than its weakest link in an ecological system.
this will affect the distribution of populations
Carrying Capacity
The maximum size of a population that an environment can hold
Keystone species
Species of food that the animal needs in order to maintain its current carrying capacity
Joseph Bridsell
Found that Aborigine population distribution is related to rainfall
Shelford's Law of Tolerance
States that too much of a material can be a limiting factor
Any condition that exceeds the limits of tolerance is a limiting factor
Stenothernal
When a species has small tolerance to temperature variations. Relates to Shelford's Law of Tolerance
Eurythermal
When a species has wide tolerance of temperature variations
George Schaller
Person who showed that predators often become extinct before prey species
What are the three ways that prey species defend themselves?
1) Try to exploit the limits of a predators motor or sensory capacity
• Can be dispersal
• Camouflage- can be active or passive
2) Exploitation of the predators learning ability
• Imitate other species that are toxic- constant coevolution
• Displays- many primates have large canines
3) Direct Protection
• Horns, scales, spines and canines
• Loris- vertebrae are sharp and butts predator
• 3:1 weight ratio between predator and prey- above this ratio, will not fight back
Cooperative Polyandrous Group (Communal Breeding)
Social group in which a group of multiple males and females interact with each other. However, only one female is reproductively active
Primates: Callitrichidae (tamarinds and marmosets)
Multi-Male Group
Groups consist of more than one adult male and more than one adult female and offspring.
Some variation in how many females there are
Most common type of nonhuman primate social group
Primates: Cebidae (capuchins, squirrel monkeys), savanna baboons, diurnal lemurs, Colobinae, gorillas
Allochronic species
Two groups of animals living in the same lineage, but during different time periods
Cohesion concept of species
Species are groups of animals that share a suite of genetic, phenotypic, demographic, ecological, and behavioral characteristics or cohesive mechanisms that help maintain the group as a cohesive unit
Monotypic
When there is only once component of a group (ex. only one species of Homo)
What are the different components of taxonomy (ex. phylum, kingdom)
Kingdom
Phylum
Class
Order
Family
Genus
Species
Describe the taxanomic categorization of primates
Kingdom- Animalia
Phylum- Chordata
Subphylum- Vertebrae
Class- Mammals
Order: Primates
Monophylitic taxonomy
When a group of animals in the same higher taxon descended from a common ancestor
Holophyletic taxonomy
Strict form of Monophylitic taxonomy in which:
1) All members of a group must share a common ancestor
2) All descendents of the ancestor must be classified in the taxon
Suffixes

1) Infraorder suffix
2) Superfamily suffix
3) Family suffix
4) Subfamily suffix
1) "-iformes"
2) "-oidea"
3) "-idae"
4) "-inae"
Describe Lemuriformes. Where are they found? When are they active? What familes are part of this suborder?
Lemuriformes are found in costal regions of Madagascar. They are small animals that are active during the night (nocturnal) or day (diurnal). They are frequently referred to as “secondary nocturnal” because all ancestors are diurnal. There are five families of lemuriformes, including Cheirogaleidae, Lemuridae, Lepilemuridae, Indriidae, and Daubentoniidae.
What are the five families of Lemuriformes?
1)Cheirogaleidae
2)Lemuridae
3) Lepilemuridae
4) Indriidae
5) Daubentoniidae.
Lemuridae
A family of lemuriformes. Include monkey-looking lemurs that are mostly diurnal (some are cathemoral). They include Ringtail lemurs and red roughed brown lemurs.
What are the four genus of lemuridae
1) Eulemur
2) Hapalemur
3) Lemur catta
4) Varecia