Ecology: Lecture 1
... x-axis: state of a particular resource (size of prey, for example) y-axis: species response/fitness (much as for Shelford’s law of tolerance) ...
... x-axis: state of a particular resource (size of prey, for example) y-axis: species response/fitness (much as for Shelford’s law of tolerance) ...
File - Hoblitzell`s Science Spot
... Populations Can Grow, Shrink, or Remain Stable (2) Age structure – can have strong effect on how rapidly a population changes • Pre-reproductive age • Reproductive age • Post-reproductive age Populations w/ even distributions among 3 groups tend to be stable ...
... Populations Can Grow, Shrink, or Remain Stable (2) Age structure – can have strong effect on how rapidly a population changes • Pre-reproductive age • Reproductive age • Post-reproductive age Populations w/ even distributions among 3 groups tend to be stable ...
populations - cloudfront.net
... a. Type of exponential growth that shows slow growth at first, followed by increasingly faster rates of growth b. Under natural conditions, the exponential phase of growth may drop off sharply due to environmental constraints c. Note: Happens to a population only briefly when encountering a new habi ...
... a. Type of exponential growth that shows slow growth at first, followed by increasingly faster rates of growth b. Under natural conditions, the exponential phase of growth may drop off sharply due to environmental constraints c. Note: Happens to a population only briefly when encountering a new habi ...
a10 Food Webs andCommunity Dynamics
... an ecosystem, yet despite their low population numbers, they have a strong impact on the other species within a community. A foundation species, also known as an “ecosystem engineer” is a species that plays a major role in shaping communities by creating and enhancing a habitat that benefits other s ...
... an ecosystem, yet despite their low population numbers, they have a strong impact on the other species within a community. A foundation species, also known as an “ecosystem engineer” is a species that plays a major role in shaping communities by creating and enhancing a habitat that benefits other s ...
Conclude Conditions and Resources - Powerpoint for Sept. 23.
... that are consumed (used up) by living organisms – There are many different resources – • For plants – solar radiation, soil nutrients, water, carbon dioxide, space • For animals – primarily food sources, oxygen, space • For decomposers – a supply of dead organic matter, oxygen (for some), space ...
... that are consumed (used up) by living organisms – There are many different resources – • For plants – solar radiation, soil nutrients, water, carbon dioxide, space • For animals – primarily food sources, oxygen, space • For decomposers – a supply of dead organic matter, oxygen (for some), space ...
Big Idea 1: The process of evolution drives the diversity and unity of life
... It is unknown how the natural disaster affected the abiotic factors within the ecosystem, which will dramatically affect what organisms can populate the area. The remaining species will either diversify quickly, if the ecosystem is suited to their growth, or possibly become extinct if the environmen ...
... It is unknown how the natural disaster affected the abiotic factors within the ecosystem, which will dramatically affect what organisms can populate the area. The remaining species will either diversify quickly, if the ecosystem is suited to their growth, or possibly become extinct if the environmen ...
CHAPTER 8: POPULATION ECOLOGY Outline 8
... 3. Age structure of a population is usually described as a pre-reproductive stage, the reproductive stage and the postreproductive stage. A population with a large reproductive stage is likely to increase while a population with a large post-reproductive stage is likely to decrease. C. No population ...
... 3. Age structure of a population is usually described as a pre-reproductive stage, the reproductive stage and the postreproductive stage. A population with a large reproductive stage is likely to increase while a population with a large post-reproductive stage is likely to decrease. C. No population ...
Species Relationships ppt Worksheet
... • When organisms have the same niche and are in the same habitat, they will ________________. • What type of competition occurs when two members of the same species compete? _____________________________ • What type of competition occurs when two members of different species compete? _______________ ...
... • When organisms have the same niche and are in the same habitat, they will ________________. • What type of competition occurs when two members of the same species compete? _____________________________ • What type of competition occurs when two members of different species compete? _______________ ...
5.3 Populations
... *Any population has the potential to increase exponentially but conditions are never perfect. Food resources are limited, predation occurs, and abiotic conditions are factors. This limits population growth. ...
... *Any population has the potential to increase exponentially but conditions are never perfect. Food resources are limited, predation occurs, and abiotic conditions are factors. This limits population growth. ...
Redman & Scriber - OECOLOGIA 125: (2) 218
... Consumer versus resource control of species diversity and ecosystem functioning. Worm et al. 2002. NATURE 417: 848-851. The most striking feature of life on Earth is its diversity. Consequently, the most fundamental question in ecology is which factors maintain diversity in ecological communities. ...
... Consumer versus resource control of species diversity and ecosystem functioning. Worm et al. 2002. NATURE 417: 848-851. The most striking feature of life on Earth is its diversity. Consequently, the most fundamental question in ecology is which factors maintain diversity in ecological communities. ...
Population - Seattle Central College
... that there is no bound to the prolific nature of plants or animals but what is made by their crowding and interfering with each other’s means of subsistence.” ...
... that there is no bound to the prolific nature of plants or animals but what is made by their crowding and interfering with each other’s means of subsistence.” ...
Notes Chapter 19 Introduction to Ecology
... think this is causing global warming, or a rise in global temperatures. The science of ecology is usually organized into five levels, each of which has unique properties: organism, population, community, ecosystem, and biosphere. Species in ecosystems interact with other species and with their n ...
... think this is causing global warming, or a rise in global temperatures. The science of ecology is usually organized into five levels, each of which has unique properties: organism, population, community, ecosystem, and biosphere. Species in ecosystems interact with other species and with their n ...
Ecosystems and Communities
... different species can occupy the same niche in the same habitat at the same time O Fundamental Niche includes resources an organism could theoretically use (if no competition) O Realized Niche includes resources it actually does use given competition from other species ...
... different species can occupy the same niche in the same habitat at the same time O Fundamental Niche includes resources an organism could theoretically use (if no competition) O Realized Niche includes resources it actually does use given competition from other species ...
Bio 101 Test 5 Study Guide Test 5 will cover chapters 34, 36, 37
... What is meant by interspecific interactions (37.2)? List five different ways species interact with each other. For each type of interaction what is the outcome for each species? + sign means a positive outcome, - means a negative impact on that species. ...
... What is meant by interspecific interactions (37.2)? List five different ways species interact with each other. For each type of interaction what is the outcome for each species? + sign means a positive outcome, - means a negative impact on that species. ...
Chapter-13- Organisms and Population. 1. Important Terms Habitat
... Suspension: Organisms that cannot migrate and suspend their metabolic functions during stressful period and resume at the return of favourable condition. E.g. Hibernation, aestivation, Diapuse. Bears, Frogs, Lizards undergo hibernation. Snails and Pelagic fish undergo aestivation whereas Diapause is ...
... Suspension: Organisms that cannot migrate and suspend their metabolic functions during stressful period and resume at the return of favourable condition. E.g. Hibernation, aestivation, Diapuse. Bears, Frogs, Lizards undergo hibernation. Snails and Pelagic fish undergo aestivation whereas Diapause is ...
Chapter 5 Exam: DO NOT WRITE ON THIS EXAM 1. Which of the
... b. geographic distribution d. habitat 3. There are 150 Saguaro cactus plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer? a. growth rate c. age structure b. geographic distribution d. population density 4. What must occur i ...
... b. geographic distribution d. habitat 3. There are 150 Saguaro cactus plants per square kilometer in a certain area of Arizona desert. To which population characteristic does this information refer? a. growth rate c. age structure b. geographic distribution d. population density 4. What must occur i ...
SUCCESSION AND LIMITING FACTORS
... C. Relate exponential growth and logistic growth to ecological succession. (Logistic growth resembles the logistic growth curve because at the end of the logistic growth there is a stable community at the carrying capacity much like a climax community of secondary succession. All growth begins as ex ...
... C. Relate exponential growth and logistic growth to ecological succession. (Logistic growth resembles the logistic growth curve because at the end of the logistic growth there is a stable community at the carrying capacity much like a climax community of secondary succession. All growth begins as ex ...
ch5,6review
... • 40% of population growth is US is due to immigration (legal and illegal) • China and India have 36% of world’s population--US is 3rd with 4.5 • US infant mortality level is higher than 39 other countries. WHY? ...
... • 40% of population growth is US is due to immigration (legal and illegal) • China and India have 36% of world’s population--US is 3rd with 4.5 • US infant mortality level is higher than 39 other countries. WHY? ...
9/10 Daily Catalyst Pg. 13 growth Models
... 2. When is semelparity an advantage? When resources are limited 3. Give an example of kinesis and taxis. Kinesis is non-directional movement to a stimulus. Cockroaches and light. Taxis is a direction movement to a specific stimulus. Fish swim upstream. 4. Why do Type III organisms have so many young ...
... 2. When is semelparity an advantage? When resources are limited 3. Give an example of kinesis and taxis. Kinesis is non-directional movement to a stimulus. Cockroaches and light. Taxis is a direction movement to a specific stimulus. Fish swim upstream. 4. Why do Type III organisms have so many young ...