Ecological Interactions and Succession
... no longer grow, the population has reached its carrying capacity. Ex: Wolves and Moose Even without predators there is a limit to the number of Moose that can live in an area due to the amount of food and space. ...
... no longer grow, the population has reached its carrying capacity. Ex: Wolves and Moose Even without predators there is a limit to the number of Moose that can live in an area due to the amount of food and space. ...
Document
... population. We can recognize sex ratios at four different stages: Primary Secondary ...
... population. We can recognize sex ratios at four different stages: Primary Secondary ...
Water Resources
... • Young individuals who have not yet reached the age where they can reproduce are called pre-reproductive • Older individuals past the age of having offspring are called ...
... • Young individuals who have not yet reached the age where they can reproduce are called pre-reproductive • Older individuals past the age of having offspring are called ...
Populations - Cloudfront.net
... Logistic Growth occurs when a population’s growth slows or stops following a period of exponential growth Birth rate decreases and death rate increases ...
... Logistic Growth occurs when a population’s growth slows or stops following a period of exponential growth Birth rate decreases and death rate increases ...
AP BIOLOGY SUMMER QUESTIONS
... 6. Why is an ecosystem’s net primary production lower than its gross primary production? 7. On a global scale, herbivores consume only about 17% of net primary production be terrestrial plants, yet most plant biomass is eventually consumed. Explain. 8. Why is energy lost from a ecosystem at every tr ...
... 6. Why is an ecosystem’s net primary production lower than its gross primary production? 7. On a global scale, herbivores consume only about 17% of net primary production be terrestrial plants, yet most plant biomass is eventually consumed. Explain. 8. Why is energy lost from a ecosystem at every tr ...
ch 38 Ecology Review Questions
... the remainder is lost through biological processes (mainly cell respiration and is transformed into heat energy that ultimately will dissipate in the great beyond. ...
... the remainder is lost through biological processes (mainly cell respiration and is transformed into heat energy that ultimately will dissipate in the great beyond. ...
File
... 1. Competition: When a population becomes crowded, organisms compete, or struggle, with one another for food, water, space. Competition can also occur between members of different species. Two species cannot occupy the same niche at the same place and time. Predator-prey 2. Predation: Populations in ...
... 1. Competition: When a population becomes crowded, organisms compete, or struggle, with one another for food, water, space. Competition can also occur between members of different species. Two species cannot occupy the same niche at the same place and time. Predator-prey 2. Predation: Populations in ...
Behavioral Ecology
... Type2: squirrels, rodents, lizards, annual plants: constant death rate Type 3: long lived plants, fish, marine invertebretes who produce many offspring and provide little care: high death rates when young, flattens out as death rates decrease for those who survived a certain critical age ...
... Type2: squirrels, rodents, lizards, annual plants: constant death rate Type 3: long lived plants, fish, marine invertebretes who produce many offspring and provide little care: high death rates when young, flattens out as death rates decrease for those who survived a certain critical age ...
Population Ecology_AP Bio
... b. Grasses, many insects -Usually quickly invade, reproduce many offspring and die -Offspring mature quickly and require very little parental ...
... b. Grasses, many insects -Usually quickly invade, reproduce many offspring and die -Offspring mature quickly and require very little parental ...
population biology
... remained fairly stable. Then, as advances in medicine, agriculture, and technology occurred, the human population began growing very rapidly. Today, the world’s human population is greater than 6 billion people, and it continues to grow, but at a slower rate. ...
... remained fairly stable. Then, as advances in medicine, agriculture, and technology occurred, the human population began growing very rapidly. Today, the world’s human population is greater than 6 billion people, and it continues to grow, but at a slower rate. ...
Introduction to Ecology Organisms don`t live in a vacuum!
... – Population — the set of all members of a single species in one area. – Community — a set of interacting populations of different species in one area. – Ecosystem — the sum of communities and their abiotic (non-living) surroundings in one area. – Biome — a set of similar ecosystems. – Bios ...
... – Population — the set of all members of a single species in one area. – Community — a set of interacting populations of different species in one area. – Ecosystem — the sum of communities and their abiotic (non-living) surroundings in one area. – Biome — a set of similar ecosystems. – Bios ...
Biological populations and communities
... (Ex: it takes 2 days to go from 8 to 16 individuals, as well as from 1,000 to 2,000 individuals) • r (or rmax) = the number of offspring individuals can produce in a given time if resources are unlimited • the number of times you multiply e by itself Starting population x constant (e) multiplied by ...
... (Ex: it takes 2 days to go from 8 to 16 individuals, as well as from 1,000 to 2,000 individuals) • r (or rmax) = the number of offspring individuals can produce in a given time if resources are unlimited • the number of times you multiply e by itself Starting population x constant (e) multiplied by ...
Factors Affecting Human Population Size
... Reproductive Patterns and Survival Reproductive patterns can be classified into two fundamental reproductive patterns: r-selected and K-selected species. r-Selected species are opportunists and reproduce when conditions are favorable or when disturbance opens a niche for invasion. Most species of t ...
... Reproductive Patterns and Survival Reproductive patterns can be classified into two fundamental reproductive patterns: r-selected and K-selected species. r-Selected species are opportunists and reproduce when conditions are favorable or when disturbance opens a niche for invasion. Most species of t ...
Document
... a process called transpiration, plants get rid of excess water through pores in the leaves called stomata. This excess water is then released into the atmosphere as part of the water cycle. Which of the following terms best describes how the released water enters the atmosphere? A. B. ...
... a process called transpiration, plants get rid of excess water through pores in the leaves called stomata. This excess water is then released into the atmosphere as part of the water cycle. Which of the following terms best describes how the released water enters the atmosphere? A. B. ...
The Lesson of the Kaibab
... Today, the Arizona Game Commission carefully manages the Kaibab area with regulations geared to specific local needs. Hunting permits are issued to keep the deer in balance with their range. Predators are protected to help keep herds in balance with food supplies. Tragic winter losses can be checked ...
... Today, the Arizona Game Commission carefully manages the Kaibab area with regulations geared to specific local needs. Hunting permits are issued to keep the deer in balance with their range. Predators are protected to help keep herds in balance with food supplies. Tragic winter losses can be checked ...
Objectives
... 10. What is meant in ecology by “life history” and relate this to trade-offs. 11. Contrast species that are r-selected to those that are K-selected. Give specific examples. 12. What is Q and how does this relate to density-independent and density-dependent birth and death rates. 13. Describe several ...
... 10. What is meant in ecology by “life history” and relate this to trade-offs. 11. Contrast species that are r-selected to those that are K-selected. Give specific examples. 12. What is Q and how does this relate to density-independent and density-dependent birth and death rates. 13. Describe several ...
Population Size
... factors that influence organisms into two groups—nonliving and living or once-living. • Abiotic (ay bi AH tihk) factors are the nonliving parts of the environment. • Living or once-living organisms in the environment are called biotic (bi AH tihk) ...
... factors that influence organisms into two groups—nonliving and living or once-living. • Abiotic (ay bi AH tihk) factors are the nonliving parts of the environment. • Living or once-living organisms in the environment are called biotic (bi AH tihk) ...
density-dependent limiting factors
... usually grow without limits. Their growth is limited by things such as predation, disease and availability of resources. These factors are grouped together as Density-Dependent and Density-Independent. ...
... usually grow without limits. Their growth is limited by things such as predation, disease and availability of resources. These factors are grouped together as Density-Dependent and Density-Independent. ...
5.2 Describe species as reproductively distinct groups of organisms
... source of energy (a step in a food chain). The term trophic comes from the Greek “trophos” meaning food/to feed. Symbiosis-an ecological interaction in which two or more species live together in a close long-term association. The three types of symbiotic relationships are mutualism, commensalism, an ...
... source of energy (a step in a food chain). The term trophic comes from the Greek “trophos” meaning food/to feed. Symbiosis-an ecological interaction in which two or more species live together in a close long-term association. The three types of symbiotic relationships are mutualism, commensalism, an ...
Density-Dependent Limiting Factors
... In some species, stress from overcrowding can cause females to neglect, kill, or even eat their own offspring. Stress from overcrowding can lower birthrates, raise death rates, or both, and can also increase rates of emigration. ...
... In some species, stress from overcrowding can cause females to neglect, kill, or even eat their own offspring. Stress from overcrowding can lower birthrates, raise death rates, or both, and can also increase rates of emigration. ...
Ecology is the study of the interaction between organisms and their
... reaches the carrying capacity K. The maximum density achieved before the decline is primarily a function of the organisms' high reproductive rates. Since these organisms have evolved high intrinsic rates, they are called high-rmax species. (r-strategists) II. Density-dependent-limiting factors (intr ...
... reaches the carrying capacity K. The maximum density achieved before the decline is primarily a function of the organisms' high reproductive rates. Since these organisms have evolved high intrinsic rates, they are called high-rmax species. (r-strategists) II. Density-dependent-limiting factors (intr ...
ch 8.1 power point
... • Carrying capacity is the largest population that an environment can support at any given time. ...
... • Carrying capacity is the largest population that an environment can support at any given time. ...
Ecology
... environment can sustain K varies depending on the species and the resources available Influenced by predators, parasites, food sources, and abiotic factors Emphasizes that resources are finite At low populations, resources are abundant and the population is able to grow nearly exponentially ...
... environment can sustain K varies depending on the species and the resources available Influenced by predators, parasites, food sources, and abiotic factors Emphasizes that resources are finite At low populations, resources are abundant and the population is able to grow nearly exponentially ...