Why is biodiversity highest at the equatorial (tropical) latitudes
... nutrients back to primary producers (i.e. plants). Species richness = total number of different species; relative abundance = a measure of how rare or abundant a specie is; biodiversity (heterogeneity) considers both richness and ...
... nutrients back to primary producers (i.e. plants). Species richness = total number of different species; relative abundance = a measure of how rare or abundant a specie is; biodiversity (heterogeneity) considers both richness and ...
Ecosystems - TeacherWeb
... • Populations tend to grow exponentially (J-curve) given unlimited resources (food, space, etc) • Limiting factors (competition for food/nutrients, predation, parasitism etc.) tend to limit growth • Limiting factors force populations into logistic growth (S-curve) where population levels off at carr ...
... • Populations tend to grow exponentially (J-curve) given unlimited resources (food, space, etc) • Limiting factors (competition for food/nutrients, predation, parasitism etc.) tend to limit growth • Limiting factors force populations into logistic growth (S-curve) where population levels off at carr ...
Competition Within a Population
... death that is caused regardless of the pop.’s density. It affects all members of a population in a general/similar way. ...
... death that is caused regardless of the pop.’s density. It affects all members of a population in a general/similar way. ...
Factors Affecting Population Change
... › (ex// a lion may compete for food with vultures and hyenas) › The biological charatceristics of the organism and the resources individuals in a population actually use under the prevailing environmental conditions. ...
... › (ex// a lion may compete for food with vultures and hyenas) › The biological charatceristics of the organism and the resources individuals in a population actually use under the prevailing environmental conditions. ...
3.2 Interactions and Changes Occur in Ecosystems
... consequences on ecosystems. Often these introduced species are stronger than the native species or they do not have any natural predators in their new environment. This means that they compete directly with native species for the available resources. Populations of native species are often reduced a ...
... consequences on ecosystems. Often these introduced species are stronger than the native species or they do not have any natural predators in their new environment. This means that they compete directly with native species for the available resources. Populations of native species are often reduced a ...
Prelecture Chapter 53 - Seattle Central College
... a. only a single species of herbivore feeds on each plant species. b. local extinction of a species causes extinction of the other species in its food chain. c. most of the energy in a trophic level is lost as it passes to the next higher level. d. predator species tend to be less diverse and less a ...
... a. only a single species of herbivore feeds on each plant species. b. local extinction of a species causes extinction of the other species in its food chain. c. most of the energy in a trophic level is lost as it passes to the next higher level. d. predator species tend to be less diverse and less a ...
doc - LPS
... 8. Using examples, discuss the ways in which parasitism, predation, intraspecific competition, emigration, mutualism, and physiological and behavioral mechanisms can act as density-dependent limitations on population growth. 9. Explain, using an example, how destroying the balance between predator a ...
... 8. Using examples, discuss the ways in which parasitism, predation, intraspecific competition, emigration, mutualism, and physiological and behavioral mechanisms can act as density-dependent limitations on population growth. 9. Explain, using an example, how destroying the balance between predator a ...
Bio 4 - Study Guide 4
... What is a population? What is density? What are density dependent and density independent factors? What is dispersion? What are the three types of dispersion patterns? Which is the most common? What are the two types of population growth models? What is carrying capacity? What are the two types of o ...
... What is a population? What is density? What are density dependent and density independent factors? What is dispersion? What are the three types of dispersion patterns? Which is the most common? What are the two types of population growth models? What is carrying capacity? What are the two types of o ...
Chapter 5 Review
... What do the arrows in a food web represent? What happens if a keystone species disappears from an ecosystem? Explain why understanding competition and niche could be important to controlling an invasive species or predicting whether an exotic species will become invasive. Explain the advantages to p ...
... What do the arrows in a food web represent? What happens if a keystone species disappears from an ecosystem? Explain why understanding competition and niche could be important to controlling an invasive species or predicting whether an exotic species will become invasive. Explain the advantages to p ...
Unit 7 fill in notes
... “S-Shaped Curves” ______________________________________ limit exponential growth flattening the j-shaped curve into an _______________________ curve fluctuating around the _______________________________________. Carrying Capacity is ________________________________________________________________ ...
... “S-Shaped Curves” ______________________________________ limit exponential growth flattening the j-shaped curve into an _______________________ curve fluctuating around the _______________________________________. Carrying Capacity is ________________________________________________________________ ...
204FinalSG_AA_W05
... - When calculating population sizes, do you count migratory species? - Do we know the carrying capacity of the world for humans? - When determining human population growth, do the only consider natural death or all causes? - In the barnacle example, are you saying that Balanus is better suited to th ...
... - When calculating population sizes, do you count migratory species? - Do we know the carrying capacity of the world for humans? - When determining human population growth, do the only consider natural death or all causes? - In the barnacle example, are you saying that Balanus is better suited to th ...
Chapter 4
... Natural selection involves the struggle of organisms to survive and reproduce in a given environment Traits which are beneficial to the survival of an organism in a particular environment tend to be retained and passed on, and therefore, increase in frequency within a population Traits which have lo ...
... Natural selection involves the struggle of organisms to survive and reproduce in a given environment Traits which are beneficial to the survival of an organism in a particular environment tend to be retained and passed on, and therefore, increase in frequency within a population Traits which have lo ...
Ecological Interactions
... Competition 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 ...
... Competition 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 ...
File - Big Green Planet
... organisms that require that resource must “battle” each other for the resource. This battle is called competition. There are two types of competition, intraspecific and interspecific. ...
... organisms that require that resource must “battle” each other for the resource. This battle is called competition. There are two types of competition, intraspecific and interspecific. ...
Populations, Communities, and Species Interactions Environmental
... • Organisms appear well adapted to current conditions because these resemble the conditions in which they evolved. • The theory does not predict perfect adaptation, adaptation, it is not purposeful; rather, using random variation as the raw material, organisms evolve to match their environment by be ...
... • Organisms appear well adapted to current conditions because these resemble the conditions in which they evolved. • The theory does not predict perfect adaptation, adaptation, it is not purposeful; rather, using random variation as the raw material, organisms evolve to match their environment by be ...
8.2 guided reading
... Indirect Competition: Write down the example given in the book where humans are in indirect competition with another organism. Explain it in your own words. ...
... Indirect Competition: Write down the example given in the book where humans are in indirect competition with another organism. Explain it in your own words. ...
Unit 11-Ecology
... ◦ Species with narrow niches ◦ Koala bear (eats only leaves of eucalyptus tree) ...
... ◦ Species with narrow niches ◦ Koala bear (eats only leaves of eucalyptus tree) ...
Niche & Community Interactions PPT
... survival. An example would be water. The Biological Aspects of the Niche involve the biotic factors that are required for survival. An example would reproduction and food. ...
... survival. An example would be water. The Biological Aspects of the Niche involve the biotic factors that are required for survival. An example would reproduction and food. ...