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Glossary Terms
Glossary Terms

... decisions made by an animal about what habitat it would use at different scales of the environment (Morrison et al. 2006). habitat type. The vegetation association in an area or the area that will be occupied by that association as plant succession advances. keystone species. A species whose impact ...
Interactions within communities
Interactions within communities

... reproduces, the temperature range it tolerates, its habitat, behavioural responses, and all other factors that can describe its pattern of living ...
Ecological Principles
Ecological Principles

... Ecological Principles ...
Unit 7 fill in notes
Unit 7 fill in notes

... Density Dependent are those whose effect _______________________ as population __________________ Ex. ______________________________________________________________________________ Density Independent are those that affect _______________________________________________________ ...
Ecology > Text reference: Chapter 2
Ecology > Text reference: Chapter 2

... transfers these microscopic larva as it bites. During the next few months, these larva migrate through the dogs body arriving at the heart several months later where they become adults. ...
An Organism`s Niche
An Organism`s Niche

... • It includes their physical home, the environmental factors necessary for survival, and all interactions with other organisms ...
AP Environmental Science notes
AP Environmental Science notes

... hosts (example – deer ticks) Cryptosporidium and Giardia are parasites found in water -even in the wilderness!! slide show of parasites that take over their host bodies ...
Aquatic Biodiversity
Aquatic Biodiversity

... better growth of rainbow trout due to increases in phytoplankton and zooplankton production also higher predation on rainbow trout by cormorants due to lack of cover, and changes in diet, densities, and growth of native fishes. Increases in phytoplankton populations is a secondary effect ...
Chap53_Community_Ecology
Chap53_Community_Ecology

... role in maintaining ecosystem processes than their abundance or biomass suggests. • Example: In intertidal pools, Pisaster (starfish) acts as a keystone species by feeding on Mytilus (mussel). This allows other species to compete with Mytilus for attachment space on rocks. ...
Ecosystem Project - CHAPPELL MATH AND SCIENCE
Ecosystem Project - CHAPPELL MATH AND SCIENCE

... - Describe what your species looks like: size, shape, colour, legs, arms, eyes. - Include a picture (or drawing) of your species. 3. Ecosystem: - Describe the ecosystem where your species lives (ex: farm, ocean, swamp, forest). - Describe abiotic and biotic features that can be found within the ecos ...
Interactions among living things
Interactions among living things

... Commensalism (+,0): relationship where one species benefits and the other species is neither helped nor ...
What is “Natural Selection”?
What is “Natural Selection”?

... The theory that explains the process by which organisms with favorable traits survive & reproduce at a higher rate than others without the favorable trait. ...
Fact sheet - Natural Resources South Australia
Fact sheet - Natural Resources South Australia

... Biology and Ecology The SAMDB lineage seems to be more sensitive to habitat and flow changes. Individuals in spawning condition have been noted in spring and occasionally through summer in sites with permanent cool flows. Feed on small invertebrates picked from underwater surfaces. Individuals are s ...
Ecology - bulldog biology
Ecology - bulldog biology

... Fundamental niche-potential Realized niche-actual Specialists-narrow niche ...
53 Community Ecology
53 Community Ecology

...  When two species rely on the same limiting resource.  Intraspecific competition usually more severe than ...
Conserving Populations (week 11)
Conserving Populations (week 11)

...  2000 land vertebrate species in the next 200 years  Small populations  Control of matings  maximize genetic diversity ...
Small Mammal Population and Diversity in Relation
Small Mammal Population and Diversity in Relation

... • Populations have declined by 90%-98% • Range disappearing due to encroachment on ...
No Slide Title
No Slide Title

... • dominant species - usually the species which constitute a large portion of the biomass in an ecosystem - pines in a pine forest • controller species - species which play major role in movement of energy and nutrients - primary producers and fungal decomposers • keystone species - species which hav ...
FINAL EXAM WILL COVER - San Diego Mesa College
FINAL EXAM WILL COVER - San Diego Mesa College

... How does San Diego County compare to other counties in the US in terms of number of federally listed endangered animal and plant species? Why? How does the US compare to other countries in terms of total energy consumption? In terms of per capita energy consumption? How is erosion related to defores ...
Ecology Review - Issaquah Connect
Ecology Review - Issaquah Connect

... Ecosystem changes, such as the introduction of a new species (zebra mussels) can cause both short- and long-term effects on populations ...
Ecology PowerPoint - Capital High School
Ecology PowerPoint - Capital High School

...  Predators are consumers that get energy and nutrients by capturing, killing, and eating prey  Relative abundances of predators and prey shift over time in response to species interactions and changing environmental conditions ...
What Shapes an Ecosystem?
What Shapes an Ecosystem?

... recorded feeding positions of the different warblers within each. A record in zone "T3" indicated a bird feeding among the abundant new needles and buds of the tip of a branch, between 20 and 30 feet from the top of the tree. A record of "M3" signified feeding mostly among dead needles at the same h ...
tracking form
tracking form

... in the food web or chain (Be able to relate biotic factors and terms such as carnivore, herbivore, etc.) Describe what a niche is. Discriminate and explain the difference between a realized niche and a fundamental niche (Glossary, eorarth.org). Explain how limiting factors and range of tolerance aff ...
Benefits of Marine Protected Areas
Benefits of Marine Protected Areas

... the extend of their home range, or how far they will travel in a lifetime. Through spillover, MPA benefits will not only be seen inside the boundaries, but also exported outside MPA boundaries. ...
Species Relationship notes
Species Relationship notes

... • Competition in an interaction between two organisms that are using the same resources • Competition within the same species= intraspecific • Competition between different species= interspecific ...
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Occupancy–abundance relationship

In ecology, the occupancy–abundance (O–A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well-documented relationships in macroecology, and applies both intra- and interspecifically (within and among species). In most cases, the O–A relationship is a positive relationship. Although an O–A relationship would be expected, given that a species colonizing a region must pass through the origin (zero abundance, zero occupancy) and could reach some theoretical maximum abundance and distribution (that is, occupancy and abundance can be expected to co-vary), the relationship described here is somewhat more substantial, in that observed changes in range are associated with greater-than-proportional changes in abundance. Although this relationship appears to be pervasive (e.g. Gaston 1996 and references therein), and has important implications for the conservation of endangered species, the mechanism(s) underlying it remain poorly understood
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