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Biodiversity: Preserving Species
... how to select certain plant and animal species form the natural biota and to grow/raise them. • This process is called Domestication. The organisms that resulted relied on humans completely for life. • Our natural world has never been the same ...
... how to select certain plant and animal species form the natural biota and to grow/raise them. • This process is called Domestication. The organisms that resulted relied on humans completely for life. • Our natural world has never been the same ...
from random mutation to
... Definition: Species X is competitive in a foodweb if the time average of its per-capita growth rate dX/dt/X is positive along the steady state of the web without X. Theorem: A competitive species can always invade the foodweb, but a non-competitive species cannot. With intraspecific competition (m_ ...
... Definition: Species X is competitive in a foodweb if the time average of its per-capita growth rate dX/dt/X is positive along the steady state of the web without X. Theorem: A competitive species can always invade the foodweb, but a non-competitive species cannot. With intraspecific competition (m_ ...
Predator or Prey? - chemistrywithmrsmorton
... of Small Populations Minimum viable population size – number of individuals endangered species need for longterm survival ...
... of Small Populations Minimum viable population size – number of individuals endangered species need for longterm survival ...
Predation
... of Small Populations Minimum viable population size – number of individuals endangered species need for longterm survival ...
... of Small Populations Minimum viable population size – number of individuals endangered species need for longterm survival ...
Chapter 4 Section 2 Vocabulary
... Any relationship in which two species live closely together. Both species benefit from one another. One member of the association benefits and the other is neither helped nor harmed. One organism lives on or inside another harming it. The series of predictable changes that occur in a community over ...
... Any relationship in which two species live closely together. Both species benefit from one another. One member of the association benefits and the other is neither helped nor harmed. One organism lives on or inside another harming it. The series of predictable changes that occur in a community over ...
Jelly Bean Diversity
... dominated by just one species – the buttercup. A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance. Simpson’s index (D) is a measure of diversity, which takes into account both species richness, and an even ...
... dominated by just one species – the buttercup. A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance. Simpson’s index (D) is a measure of diversity, which takes into account both species richness, and an even ...
Competitive Exclusion
... Interspecific interactions • Symbiotic interactions – competition (-/-) • compete for limited resource ...
... Interspecific interactions • Symbiotic interactions – competition (-/-) • compete for limited resource ...
Factors that make Species Prone to Extinction
... population can eliminate them. Widespread and common species are less likely to be wiped out. o E.g. the slender-billed grackle, a bird which once occupied a single marsh near Mexico City was driven to extinction. Species with small populations also tend to have low genetic diversity – inability ...
... population can eliminate them. Widespread and common species are less likely to be wiped out. o E.g. the slender-billed grackle, a bird which once occupied a single marsh near Mexico City was driven to extinction. Species with small populations also tend to have low genetic diversity – inability ...
File
... Def: The full range of physical & biological conditions in which an organism lives & the way in which an organism uses those conditions An organism’s occupation Includes place in the food web, range of survivable temps, type of food eaten, physical conditions needed for survival… ...
... Def: The full range of physical & biological conditions in which an organism lives & the way in which an organism uses those conditions An organism’s occupation Includes place in the food web, range of survivable temps, type of food eaten, physical conditions needed for survival… ...
An Organism`s Niche • Niche - the unique position occupied by a
... – Species can compete even if they never come into direct contact with each other. – For example: Humans rarely interact with the insects that eat our food crops, but those insects are still competing with us for food. Adaptations to Competition • When two species with similar niches are placed toge ...
... – Species can compete even if they never come into direct contact with each other. – For example: Humans rarely interact with the insects that eat our food crops, but those insects are still competing with us for food. Adaptations to Competition • When two species with similar niches are placed toge ...
Endangered Species Act: Recent Developments (Powerpoint)
... “Significant Portion of its Range” •Flat-tailed horned lizard: Service cannot ignore threatened portions of the range simply because persistence is likely in other portions •Utah prairie dog: loss of historical range cannot be ignored •Gray wolf: if a species is listable in a significant portion of ...
... “Significant Portion of its Range” •Flat-tailed horned lizard: Service cannot ignore threatened portions of the range simply because persistence is likely in other portions •Utah prairie dog: loss of historical range cannot be ignored •Gray wolf: if a species is listable in a significant portion of ...
Prairie dogs – an endangered keystone species?
... arch that locks the other pieces in place. 2. something on which associated things depend for support.” – Webster’s Dictionary. “Keystone Species: A keystone species is a species that exerts great influence on an ecosystem relative to its abundance.” – Wikipedia. Will the extinction of a single spec ...
... arch that locks the other pieces in place. 2. something on which associated things depend for support.” – Webster’s Dictionary. “Keystone Species: A keystone species is a species that exerts great influence on an ecosystem relative to its abundance.” – Wikipedia. Will the extinction of a single spec ...
Biodiversity - My Teacher Pages
... ecosystems on earth and the ecological processes of which they are a part of. Or… describes the variety of and relationships between all life ...
... ecosystems on earth and the ecological processes of which they are a part of. Or… describes the variety of and relationships between all life ...
Chapter 53 - TeacherWeb
... 13. Explain the relationship between species richness and relative abundance and explain how both contribute to species diversity. 14. Distinguish between a food chain and a food web. 15. Describe two ways to simplify food webs. 16. Summarize two hypotheses that explain why food chains are relativel ...
... 13. Explain the relationship between species richness and relative abundance and explain how both contribute to species diversity. 14. Distinguish between a food chain and a food web. 15. Describe two ways to simplify food webs. 16. Summarize two hypotheses that explain why food chains are relativel ...
SpeciesInteractions
... population will slow and eventually decrease as the prey population decreases there will be a drop in the number of predator species when the predator numbers drop below a certain point the prey species will increase ...
... population will slow and eventually decrease as the prey population decreases there will be a drop in the number of predator species when the predator numbers drop below a certain point the prey species will increase ...
3.3 eNote Outlinex
... By the end of section 3.3 you should be able to understand the following: ...
... By the end of section 3.3 you should be able to understand the following: ...
The impact of exotic species on island ecosystems in the Dutch
... exotics interact, and how exotics affect ecosystem functioning. The student will first conduct field surveys to identify the species compositions and habitat characteristics at sites across the island. Then, additional experimental and observational techniques will be used to determine how those spe ...
... exotics interact, and how exotics affect ecosystem functioning. The student will first conduct field surveys to identify the species compositions and habitat characteristics at sites across the island. Then, additional experimental and observational techniques will be used to determine how those spe ...
Ch. 54 Community Ecology 9e F12(1).
... Ecological niche: the sum total of an organism’s use of abiotic/biotic resources in the environment • Fundamental niche = niche potentially occupied by the species • Realized niche = portion of fundamental niche the species actually occupies Chthamalus Balanus ...
... Ecological niche: the sum total of an organism’s use of abiotic/biotic resources in the environment • Fundamental niche = niche potentially occupied by the species • Realized niche = portion of fundamental niche the species actually occupies Chthamalus Balanus ...
ppt
... 3. Landscape Model Subpopulations inhabit patches of different habitat quality, so there are ‘source’ populations with surplus populations that disperse to populations in lower quality patches (‘sinks’). However, the quality of the patches is ALSO affected by the surrounding matrix… alternative reso ...
... 3. Landscape Model Subpopulations inhabit patches of different habitat quality, so there are ‘source’ populations with surplus populations that disperse to populations in lower quality patches (‘sinks’). However, the quality of the patches is ALSO affected by the surrounding matrix… alternative reso ...
ppt
... 3. Landscape Model Subpopulations inhabit patches of different habitat quality, so there are ‘source’ populations with surplus populations that disperse to populations in lower quality patches (‘sinks’). However, the quality of the patches is ALSO affected by the surrounding matrix… alternative reso ...
... 3. Landscape Model Subpopulations inhabit patches of different habitat quality, so there are ‘source’ populations with surplus populations that disperse to populations in lower quality patches (‘sinks’). However, the quality of the patches is ALSO affected by the surrounding matrix… alternative reso ...
chapter 7
... A. Community structure and diverse species help define an ecosystem. B. Different species’ interactions and influences on their environments are not completely clear. C. Ecological communities are constantly changing, establishing communities, responding to disturbances, and seeking stability. D. Fo ...
... A. Community structure and diverse species help define an ecosystem. B. Different species’ interactions and influences on their environments are not completely clear. C. Ecological communities are constantly changing, establishing communities, responding to disturbances, and seeking stability. D. Fo ...
Habitat and Niche (Butterflies, Moths, Wasps, Bees, and Ants)
... • You will explore the West campus ecosystem searching for Hymenopterans and Lepidopterans. • You will be responsible for locating three different species of either Hymenoptera or Lepidoptera. • You will describe where you found the individual insect, its appearance (take a picture if you like), and ...
... • You will explore the West campus ecosystem searching for Hymenopterans and Lepidopterans. • You will be responsible for locating three different species of either Hymenoptera or Lepidoptera. • You will describe where you found the individual insect, its appearance (take a picture if you like), and ...
Ecology and Ecosystems Focus Questions
... What is gross primary productivity (GPP) and net primary productivity (NPP)? How are they measured? ...
... What is gross primary productivity (GPP) and net primary productivity (NPP)? How are they measured? ...
Ecological Interactions
... Effect of X: - Effect on Y: Competition describes the relationship between two species that interact where both species or organisms are negatively impacted by the interaction. This occurs in occasions such as when two species share the same food source, and therefore are competing for the best food ...
... Effect of X: - Effect on Y: Competition describes the relationship between two species that interact where both species or organisms are negatively impacted by the interaction. This occurs in occasions such as when two species share the same food source, and therefore are competing for the best food ...