Unit 4 powerpoint
... • The Alligator is a: • Keystone species- A species in an ecosystem that plays a central role in the health of that ecosystem, and whose removal may cause the collapse of the ecosystem ...
... • The Alligator is a: • Keystone species- A species in an ecosystem that plays a central role in the health of that ecosystem, and whose removal may cause the collapse of the ecosystem ...
population - wsscience
... >produce more offspring at a time >reproduce more often >reproduce earlier in life – this has the greatest effect because it shortens the generation time (the average time taken to reach reproductive age) ...
... >produce more offspring at a time >reproduce more often >reproduce earlier in life – this has the greatest effect because it shortens the generation time (the average time taken to reach reproductive age) ...
A1. Investigate and interpret diversity among species and within
... . A parasite lives on or in the body of the host and obtains nourishment from it. For example, viruses, bacteria, fungi, protozoans, flatworms., nematodes, and some insects can be parasites on different plants and animals. ...
... . A parasite lives on or in the body of the host and obtains nourishment from it. For example, viruses, bacteria, fungi, protozoans, flatworms., nematodes, and some insects can be parasites on different plants and animals. ...
Chesson, P. and Rees, M. 2007. Commentary on clark et al
... The challenge is recognizing where both can contribute. General circulation models of the atmosphere make predictions that disagree in many ways, but they all get the right answers near an ice sheet. When one or a few forcing variables overwhelm, the dimensionality is effectively reduced. But many o ...
... The challenge is recognizing where both can contribute. General circulation models of the atmosphere make predictions that disagree in many ways, but they all get the right answers near an ice sheet. When one or a few forcing variables overwhelm, the dimensionality is effectively reduced. But many o ...
Predation
... Protects some animals from predators Packs allow some to get prey Temporary groups for mating and caring for young ...
... Protects some animals from predators Packs allow some to get prey Temporary groups for mating and caring for young ...
Chapter 9-Applying Population Ecology
... patterns that can occur in nature and comment on which is most common and why. 7. Explain density-dependent population controls and densityindependent population controls. Define birth rate, death rate, immigration, and emigration. Write an equation to mathematically describe the 8. List the four ge ...
... patterns that can occur in nature and comment on which is most common and why. 7. Explain density-dependent population controls and densityindependent population controls. Define birth rate, death rate, immigration, and emigration. Write an equation to mathematically describe the 8. List the four ge ...
Chapter 5: Population Ecology
... patterns that can occur in nature and comment on which is most common and why. 7. Explain density-dependent population controls and densityindependent population controls. Define birth rate, death rate, immigration, and emigration. Write an equation to mathematically describe the 8. List the four ge ...
... patterns that can occur in nature and comment on which is most common and why. 7. Explain density-dependent population controls and densityindependent population controls. Define birth rate, death rate, immigration, and emigration. Write an equation to mathematically describe the 8. List the four ge ...
Community Interactions notes
... Objective: A3 - Interpret relationships, including predation, parasitism, commensalism, mutualism, & competition among organisms. ...
... Objective: A3 - Interpret relationships, including predation, parasitism, commensalism, mutualism, & competition among organisms. ...
BIO102-Ecology Part 2
... Species Interactions • Ecological processes can interact – Predation reduces competition • Superior competitors become more numerous and attract predators • This allows other species to survive when they could have been out competed ...
... Species Interactions • Ecological processes can interact – Predation reduces competition • Superior competitors become more numerous and attract predators • This allows other species to survive when they could have been out competed ...
Chp 5: Biodiversity, Species Interactions, and Population Control
... when a fire, bulldozer, or other human or natural disturbance removes most of the inhibiting species. • __________________________ - late successional plants are largely unaffected by plants at earlier stages of succession because they are not in direct competition with them for key ...
... when a fire, bulldozer, or other human or natural disturbance removes most of the inhibiting species. • __________________________ - late successional plants are largely unaffected by plants at earlier stages of succession because they are not in direct competition with them for key ...
Living things in their environment.
... • An organism or type of living thing needs to obtain food, water, shelter and other things it needs to live, grow, and reproduce from its environment. • An environment that provides the things an organism needs to live is called its habitat. ...
... • An organism or type of living thing needs to obtain food, water, shelter and other things it needs to live, grow, and reproduce from its environment. • An environment that provides the things an organism needs to live is called its habitat. ...
Chapter 19-Introduction to Ecology
... (1) Darwin collected data about the ranges, habits, and interrelationships of organisms during his voyage. Furthermore, the central theme of natural selection is the interaction between the organism and the environment. (2) An outbreak of gypsy moth caterpillars would damage the oak trees and probab ...
... (1) Darwin collected data about the ranges, habits, and interrelationships of organisms during his voyage. Furthermore, the central theme of natural selection is the interaction between the organism and the environment. (2) An outbreak of gypsy moth caterpillars would damage the oak trees and probab ...
12.4 - Factors Affecting Population Growth
... There are some situations where the population is not large enough to sustain itself. This is known as the Allee Effect, where some plants and animals which reach a population size too small (density) so they will see a decrease in their per capita growth rate, the population will continue to decrea ...
... There are some situations where the population is not large enough to sustain itself. This is known as the Allee Effect, where some plants and animals which reach a population size too small (density) so they will see a decrease in their per capita growth rate, the population will continue to decrea ...
Community and Ecosystem Ecology
... 3. Predation A. Predator-Prey Population Dynamics Cycling of predator and prey populations Occurs when either predators overkill prey, or when prey ...
... 3. Predation A. Predator-Prey Population Dynamics Cycling of predator and prey populations Occurs when either predators overkill prey, or when prey ...
Plant Ecology
... Competition is unimportant in unproductive environments and success is dependent onthe ability to ...
... Competition is unimportant in unproductive environments and success is dependent onthe ability to ...
Chapter 5 - Kennedy APES
... a. Individuals in the population reproduce early in life. b. Individuals have short periods between generations. c. Individuals have long reproductive lives. d. Individuals reproduce multiple offspring each time they reproduce. 4. Rabbits have a high biotic potential, bacteria’s biotic potential is ...
... a. Individuals in the population reproduce early in life. b. Individuals have short periods between generations. c. Individuals have long reproductive lives. d. Individuals reproduce multiple offspring each time they reproduce. 4. Rabbits have a high biotic potential, bacteria’s biotic potential is ...
Biotic Interactions : is the interaction between two or more organisms
... b. Lice feed harmlessly on the feathers of birds. __________________________________ c. A cowbird removes an egg from a robin’s nest and replaces it with one of its own. _____________________________ d. An orchid plant grows on the branch of a tree. The tree remains healthy. ________________________ ...
... b. Lice feed harmlessly on the feathers of birds. __________________________________ c. A cowbird removes an egg from a robin’s nest and replaces it with one of its own. _____________________________ d. An orchid plant grows on the branch of a tree. The tree remains healthy. ________________________ ...
Ch. 53
... 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 ...
Lecture 4
... – habitat diversity- the variety of places where life exists -- coral reefs, old-growth forests in the Pacific ...
... – habitat diversity- the variety of places where life exists -- coral reefs, old-growth forests in the Pacific ...
Why is the competition paradigm so prevalent? based on
... ii. Theory of the niche iii. Resource division ...
... ii. Theory of the niche iii. Resource division ...
global population
... island where it grows rapidly feeding on rats BUT then the population eventually levels off. (a) Maximum yield (b) Carrying capacity (c) Tertiary level (d) Climax community ...
... island where it grows rapidly feeding on rats BUT then the population eventually levels off. (a) Maximum yield (b) Carrying capacity (c) Tertiary level (d) Climax community ...
Populations and Communities Population Growth
... Population: group of the same species that live in the same area in a given time. If living conditions are IDEAL, growth will be exponential… there is nothing to inhibit growth! In reality – exponential growth is not sustainable – there will always be a limiting factor – Can you think of an exceptio ...
... Population: group of the same species that live in the same area in a given time. If living conditions are IDEAL, growth will be exponential… there is nothing to inhibit growth! In reality – exponential growth is not sustainable – there will always be a limiting factor – Can you think of an exceptio ...