week 1 - Cloudfront.net
... • Communities differ dramatically in their species richness (number of species) & relative abundance of different species ...
... • Communities differ dramatically in their species richness (number of species) & relative abundance of different species ...
Ch 3.5 Non-Native Species
... whether they will become invasive over time. - There are three types of control measures; chemical, Mechanical, and Biological. Chemical Control - Pesticides are used mostly in forests and agriculture because of their economic importance. - There risks with pesticides, they sometime target native sp ...
... whether they will become invasive over time. - There are three types of control measures; chemical, Mechanical, and Biological. Chemical Control - Pesticides are used mostly in forests and agriculture because of their economic importance. - There risks with pesticides, they sometime target native sp ...
Food, song and speciation
... been affected, and is a further factor influencing speciation in these birds. ...
... been affected, and is a further factor influencing speciation in these birds. ...
Introduced Species
... Once upon a time, the USA was a pioneer: John Muir, Teddy Roosevelt, FDR: Creation of a network of areas where humans can only visit—on foot, canoe, or horseback. [I have hiked and canoe by now in about 1/4 of the American ones—worth a try! Again, the ad men are depriving us of even decent vacations ...
... Once upon a time, the USA was a pioneer: John Muir, Teddy Roosevelt, FDR: Creation of a network of areas where humans can only visit—on foot, canoe, or horseback. [I have hiked and canoe by now in about 1/4 of the American ones—worth a try! Again, the ad men are depriving us of even decent vacations ...
Communities, Ecosystems, and Biodiversity
... Dynamic: always changing on fine temporal scales Over geologic time: slow and quick changes ...
... Dynamic: always changing on fine temporal scales Over geologic time: slow and quick changes ...
MS Word Document - 2.5 MB - Department of Environment, Land
... Most Australian plants need fire for species regeneration. Tolerable Fire Intervals (TFIs) are the ideal interval between fires for vegetation communities or Ecological Fire Groups (EFGs). TFIs help determine the frequency, severity and intensity of planned burning so that it supports ecological s ...
... Most Australian plants need fire for species regeneration. Tolerable Fire Intervals (TFIs) are the ideal interval between fires for vegetation communities or Ecological Fire Groups (EFGs). TFIs help determine the frequency, severity and intensity of planned burning so that it supports ecological s ...
Evolutionary Patterns Guided Notes
... Punctuation Model of Speciation This model holds that many morphological changes happen during ________________________________________________, followed by long periods of ________________. The fossil record shows that stability prevails for all but 1% of the history of most species, followed ...
... Punctuation Model of Speciation This model holds that many morphological changes happen during ________________________________________________, followed by long periods of ________________. The fossil record shows that stability prevails for all but 1% of the history of most species, followed ...
Abstract_SFE_GD
... How biodiversity influences ecosystem processes, such as plant productivity, is still a challenging question. Among leading hypotheses proposed to explain the diversityproductivity relationship, Tilman’s diversity hypothesis postulates that ecosystem processes are enhanced in more diverse communitie ...
... How biodiversity influences ecosystem processes, such as plant productivity, is still a challenging question. Among leading hypotheses proposed to explain the diversityproductivity relationship, Tilman’s diversity hypothesis postulates that ecosystem processes are enhanced in more diverse communitie ...
3.1 Notes ws
... 8. A group of populations is called a(n) 9. Which includes animals of different species living together? Circle the correct answer. Population ...
... 8. A group of populations is called a(n) 9. Which includes animals of different species living together? Circle the correct answer. Population ...
Read Chapter 1 in the textbook (pages 4 – 21)
... 17) Give an example of a species with random population dispersion? __________________________________ 18) What is the difference between density-dependent deaths and density-independent deaths? Provide an example of each. _________________________________________________________________________ ___ ...
... 17) Give an example of a species with random population dispersion? __________________________________ 18) What is the difference between density-dependent deaths and density-independent deaths? Provide an example of each. _________________________________________________________________________ ___ ...
Predatory Drilling Frequencies in Lower Miocene (Karpatian) Near
... Jennifer A. SAWYER & Martin ZUSCHIN ...
... Jennifer A. SAWYER & Martin ZUSCHIN ...
Practice Questions
... a. Photosynthesis or atmosphere to terrestrial plants b. Plant & Microbial respiration or from terrestrial systems to the atmosphere c. Ocean photosynthesis or atmosphere to ocean ...
... a. Photosynthesis or atmosphere to terrestrial plants b. Plant & Microbial respiration or from terrestrial systems to the atmosphere c. Ocean photosynthesis or atmosphere to ocean ...
Water Bodies
... tropical and subtropical intertidal area Distribution of the trees is largely controlled by air temperature, exposure to wave and current attack, tidal range, substrate and sea water chemistry Detritus from the mangrove forms the base of the food chain ...
... tropical and subtropical intertidal area Distribution of the trees is largely controlled by air temperature, exposure to wave and current attack, tidal range, substrate and sea water chemistry Detritus from the mangrove forms the base of the food chain ...
8.1.1 Competing For Resources
... Competing for Resources When in competition two organisms use one or more resources in common, such as food, shelter and mates. The competition is so the organism can acquire a limited factor in the environment. For example, plants compete for factors such as water, light, carbon dioxide and minera ...
... Competing for Resources When in competition two organisms use one or more resources in common, such as food, shelter and mates. The competition is so the organism can acquire a limited factor in the environment. For example, plants compete for factors such as water, light, carbon dioxide and minera ...
Ecological Structure - Stanford University
... Netherlands described a 9-year experiment with plants on abandoned farmland. They found that small communities of plants ended up with the same array of functional traits, such as whether a seed is dis- Diversity. Structure results from many sources, including predpersed by an animal ators such as s ...
... Netherlands described a 9-year experiment with plants on abandoned farmland. They found that small communities of plants ended up with the same array of functional traits, such as whether a seed is dis- Diversity. Structure results from many sources, including predpersed by an animal ators such as s ...
Unit 2.3.1 – Biodiversity
... for the samples. Remember that it is best to use many areas as it would then be more representative of the entire area. ...
... for the samples. Remember that it is best to use many areas as it would then be more representative of the entire area. ...
Part 1 - Brown University
... sunlight for other plants in the area forming what could be called a monoculture, which is an area where one species dominates. In addition to space and light, Typha and Phragmites also monopolize nutrients that other organisms need to survive. All of these resources can be called limiting factors, ...
... sunlight for other plants in the area forming what could be called a monoculture, which is an area where one species dominates. In addition to space and light, Typha and Phragmites also monopolize nutrients that other organisms need to survive. All of these resources can be called limiting factors, ...
Biology 3201 Conditions of Hardy-Weinberg and Speciation Things
... they are not geographically isolated. E.g. Chromosome changes, non-random mating. 2. Polyploidy - extra sets of chromosomes can lead to sterility. An error occurring during meiosis causes the chromosomes not to separate so that gametes are 2n. A new species can be produced two 2n gametes fuse. An in ...
... they are not geographically isolated. E.g. Chromosome changes, non-random mating. 2. Polyploidy - extra sets of chromosomes can lead to sterility. An error occurring during meiosis causes the chromosomes not to separate so that gametes are 2n. A new species can be produced two 2n gametes fuse. An in ...
Powerpoint: Chapter 3 notes
... (plants and animals) that live in an area. - used to measure the health of an ecosystem; the greater the biodiversity, the more stable the ecosystem. ...
... (plants and animals) that live in an area. - used to measure the health of an ecosystem; the greater the biodiversity, the more stable the ecosystem. ...
Exam 2 - philipdarrenjones.com
... 36. A large population of laboratory animals has been allowed to breed randomly for a number of generations. After several generations, 25% of the animals display a recessive trait (aa), the same percentage as at the beginning of the breeding program. The rest of the animals show the dominant phenot ...
... 36. A large population of laboratory animals has been allowed to breed randomly for a number of generations. After several generations, 25% of the animals display a recessive trait (aa), the same percentage as at the beginning of the breeding program. The rest of the animals show the dominant phenot ...
here
... Ecosystems can also be represented by a pyramid comprising a series of “trophic levels”. A species’ trophic level indicates its relative position in the ecosystem’s food chain. Producers (including algae and green plants) use energy from the sun to produce their own food rather than consuming other ...
... Ecosystems can also be represented by a pyramid comprising a series of “trophic levels”. A species’ trophic level indicates its relative position in the ecosystem’s food chain. Producers (including algae and green plants) use energy from the sun to produce their own food rather than consuming other ...
Extinction and Conservation
... despising the California Sea Otter, despite its important place in the ecosystem of the California Coast, because of its status as a competitor. They are protected now, however, they were nearly hunted to extinction for their pelts. Species that cross the paths of humans sometimes suffer for it. ...
... despising the California Sea Otter, despite its important place in the ecosystem of the California Coast, because of its status as a competitor. They are protected now, however, they were nearly hunted to extinction for their pelts. Species that cross the paths of humans sometimes suffer for it. ...
Bifrenaria
Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.