OBJ - Ecology
... 15. Explain how modeling of the trophic structure of an ecosystem can be used to make predictions about the effects of changes in biotic and abiotic factors on that ecosystem. Describe the strengths and limitations of this approach. 16. How do “bottom-up” or “top-down” controls on community organiz ...
... 15. Explain how modeling of the trophic structure of an ecosystem can be used to make predictions about the effects of changes in biotic and abiotic factors on that ecosystem. Describe the strengths and limitations of this approach. 16. How do “bottom-up” or “top-down” controls on community organiz ...
Keystone Ecology
... Abiotic: wind, temperature, rainfall, ground water, humidity, amount of sunlight, soil composition, intensity of daylight Biotic: bacteria, fungi, flowering plants, trees, invertebrates and vertebrates ...
... Abiotic: wind, temperature, rainfall, ground water, humidity, amount of sunlight, soil composition, intensity of daylight Biotic: bacteria, fungi, flowering plants, trees, invertebrates and vertebrates ...
Why Marine Islands Are Farther Apart in the Tropics.
... effect of dispersal is Rapoport’s rule, the tendency of species to be restricted to smaller geographic areas and narrower ranges of abiotic conditions in the tropics than at higher latitudes (e.g., Stevens 1989; McCain 2009). I readily admit, however, that the mechanistic connections between environ ...
... effect of dispersal is Rapoport’s rule, the tendency of species to be restricted to smaller geographic areas and narrower ranges of abiotic conditions in the tropics than at higher latitudes (e.g., Stevens 1989; McCain 2009). I readily admit, however, that the mechanistic connections between environ ...
The role of behavioural variation in the invasion of
... et al. 2010). Very few species pass easily through all three filters. Importantly, the same filtering process that applies to taxa also applies to individuals within an invasive taxon (in fact, it applies to the individuals first, and the taxon only as an after-effect). The individuals that are tran ...
... et al. 2010). Very few species pass easily through all three filters. Importantly, the same filtering process that applies to taxa also applies to individuals within an invasive taxon (in fact, it applies to the individuals first, and the taxon only as an after-effect). The individuals that are tran ...
Chapter 8 Natural selection: empirical studies in the wild
... Light coat color evolved independently in different populations ...
... Light coat color evolved independently in different populations ...
LECTURE 18 BIODIVERSITY
... the more chance for species to evolve, ergo the more diversified it should be. b. The ecological time hypothesis is based largely on the need for species to disperse into unoccupied areas of suitable habitat. This requires that an area be stable for sufficient time. 2. Climatic stability hypothesis. ...
... the more chance for species to evolve, ergo the more diversified it should be. b. The ecological time hypothesis is based largely on the need for species to disperse into unoccupied areas of suitable habitat. This requires that an area be stable for sufficient time. 2. Climatic stability hypothesis. ...
Chapter 53 Presentation
... It is somewhat of an oversimplification. It can only be applied over short time periods and on small islands. Large islands are subject to a number of ...
... It is somewhat of an oversimplification. It can only be applied over short time periods and on small islands. Large islands are subject to a number of ...
African mammals, foodwebs, and coexistence
... to coexistence? Clearly, by eating different plant species, each herbivore species reduces the abundances of its own preferred food plant species more than it reduces the abundances of the preferred food for the other species. This dietary differentiation meets the classic ecological criterion for t ...
... to coexistence? Clearly, by eating different plant species, each herbivore species reduces the abundances of its own preferred food plant species more than it reduces the abundances of the preferred food for the other species. This dietary differentiation meets the classic ecological criterion for t ...
Epistemology of natural sciences - Development Studies Association
... • Hypothesis: Changes in diversity will affect ecological processes • Treatment variables – Spp diversity and Func diversity • Response variables – e.g. Biomass, Nutrients cycling etc • Experiment: Manually manipulate diversity (treatment variable) and measure processes (response variables) • H0 – T ...
... • Hypothesis: Changes in diversity will affect ecological processes • Treatment variables – Spp diversity and Func diversity • Response variables – e.g. Biomass, Nutrients cycling etc • Experiment: Manually manipulate diversity (treatment variable) and measure processes (response variables) • H0 – T ...
File
... 28. Inherited Trait – a characteristic that is passed down from parents to offspring through genes. Example: blue eyes. 29. Acquired Trait – characteristics that are not passed down but instead "acquired" after birth. Example of this is: scars, pierced ears, the length of your hair, the loss of a l ...
... 28. Inherited Trait – a characteristic that is passed down from parents to offspring through genes. Example: blue eyes. 29. Acquired Trait – characteristics that are not passed down but instead "acquired" after birth. Example of this is: scars, pierced ears, the length of your hair, the loss of a l ...
File - Ms. Poole`s Biology
... strong control due to their ecological roles or niches… Sea Otters!!! • Richness number of species & abundance • Why would one species become dominant? ...
... strong control due to their ecological roles or niches… Sea Otters!!! • Richness number of species & abundance • Why would one species become dominant? ...
File
... Carnivores prey on (eat) other heterotrophs, e.g., wolves, lions, lynxes Omnivores eat both plants and animals, e.g., bears, humans, hummingbirds Detritivores eat fragments of dead items, e.g., worms, many aquatic insects Scientists model the flow of energy in living organisms in different way ...
... Carnivores prey on (eat) other heterotrophs, e.g., wolves, lions, lynxes Omnivores eat both plants and animals, e.g., bears, humans, hummingbirds Detritivores eat fragments of dead items, e.g., worms, many aquatic insects Scientists model the flow of energy in living organisms in different way ...
Bennetts Wallaby Species Sheet
... Bennetts Wallaby Species Sheet References Blumstein D, Daniel J, Foraging Behaviour of Three Tasmanian Macropod Marsupials in Response to Present and Historical Predation Threat in Ecography,2003, Vol 26, Issue 5, Pages 585-594. Sprent J and McArthur C, Diet and diet selection of two species in the ...
... Bennetts Wallaby Species Sheet References Blumstein D, Daniel J, Foraging Behaviour of Three Tasmanian Macropod Marsupials in Response to Present and Historical Predation Threat in Ecography,2003, Vol 26, Issue 5, Pages 585-594. Sprent J and McArthur C, Diet and diet selection of two species in the ...
Evolving to Invade Lesson Plan
... B3.4: changes in ecosystems: although the interrelationships and interdependence of organisms may generate biological communities in ecosystems that are stable for hundreds or thousands of years, ecosystems always change when climate changes or when one or more new species appear as a result of migr ...
... B3.4: changes in ecosystems: although the interrelationships and interdependence of organisms may generate biological communities in ecosystems that are stable for hundreds or thousands of years, ecosystems always change when climate changes or when one or more new species appear as a result of migr ...
13-Interactions
... Carbohydrate reward (nectar, fruit pulp) Pollinating “vectors” — high degree of plant-animal specificity assures that pollen will not be wasted. ...
... Carbohydrate reward (nectar, fruit pulp) Pollinating “vectors” — high degree of plant-animal specificity assures that pollen will not be wasted. ...
Latitudinal gradients
... Ant species richness is significantly correlated to mean annual temperature and mean primary production, but not to area ...
... Ant species richness is significantly correlated to mean annual temperature and mean primary production, but not to area ...
EXAM 2012
... colour can be red or black. You are able to determine that shape is determined by the A gene while colour is determined by the B gene. You also determined that diamond and black are dominant traits. You cross a snake expressing a black diamond pattern with a snake expressing a red round pattern. The ...
... colour can be red or black. You are able to determine that shape is determined by the A gene while colour is determined by the B gene. You also determined that diamond and black are dominant traits. You cross a snake expressing a black diamond pattern with a snake expressing a red round pattern. The ...
02Johnson
... • Darwin expanded Malthus’ view to include every organism all organisms have the capacity to over-reproduce only a limited number of these offspring survive and produce the next generation ...
... • Darwin expanded Malthus’ view to include every organism all organisms have the capacity to over-reproduce only a limited number of these offspring survive and produce the next generation ...
BIOL 4120 Principles of Ecology
... Population ecology is the study of how groups of individuals (the same species) grow (or shrink) and reproduce. Depending on the nature of the species, many factors (food availability, competition, predation etc.) may affect population growth. Community ecology is the study of how populations from d ...
... Population ecology is the study of how groups of individuals (the same species) grow (or shrink) and reproduce. Depending on the nature of the species, many factors (food availability, competition, predation etc.) may affect population growth. Community ecology is the study of how populations from d ...
Invasive species in marine food webs: their key to success?
... A biochemical substance indicating a process, condition or identity of a biological system or organism. Use in ecological studies: ...
... A biochemical substance indicating a process, condition or identity of a biological system or organism. Use in ecological studies: ...
MCCA-MCGE
... stresses if they harbor many species rather than just one or a few. The more species an ecosystem contains, the more likely some of them will be resistant to environmental stress.” Based on the above statement discuss the need for biodiversity in Senegal. Evaluate possible human impacts or natural f ...
... stresses if they harbor many species rather than just one or a few. The more species an ecosystem contains, the more likely some of them will be resistant to environmental stress.” Based on the above statement discuss the need for biodiversity in Senegal. Evaluate possible human impacts or natural f ...