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Ecology - Elmwood Park Memorial High School
Ecology - Elmwood Park Memorial High School

... • The occupation of an organism is called its niche. This includes how it gets food, reproduces, avoids predators, etc. • The niche of an organism determines its habitat. • The way an organism has evolved to survive determines where it can live. ...
File
File

... adult elephants consume 130 kg food a day and they live for 55 – 65 years. On 25 February 2008 the SA Government finally concluded it would have to lift a 17 year-old moratorium on the culling of the native elephant to ...
chapter5
chapter5

... species to live and grow, or reproduce in its environment ABIOTIC - Temperature - water - climate/weather - soils (mineral component) ...
T. confusum
T. confusum

3.1: What is Ecology?
3.1: What is Ecology?

... • The assortment, or variety, of living things in an ecosystem • Rain forests have more biodiversity than other locations in the world, but are threatened by human activities. ...
Slides
Slides

... • Will an ecosystem return to the same ecosystem after disturbance? – Succession ...
Ecology notes - Pierce Public Schools
Ecology notes - Pierce Public Schools

... metals, dirt, and spoiled food that people throw away each day Average American produces about __ kg of daily (657 kg of waste/person /year) Some decomposes __ Most becomes buried in __ (meant to reduce contamination of groundwater supplies) Use of pesticides and other chemical can lead to habitat d ...
Ecology, interdependence, ecological model, biosphere, ecosystem
Ecology, interdependence, ecological model, biosphere, ecosystem

... low birth rates to have high rates of population growth? They could have high rates of immigration, a large population to start with, and/or low death rate. ...


... Chthamalus reach their fundamental niche because they can grow more freely without competition and fully reach their actual potential. 3) Since the Mussels and Pisaster live together because their niches overlap, there is a need for more or greater resources of different types for these two species ...
INTRODUCTION
INTRODUCTION

... Competition for resources is more intense at higher population densities. • Usually leads to mortality among competing plants Self-Thinning ...
ppt
ppt

Lecture 18 Ch 21 + 23/24 Species Abundance and Diversity
Lecture 18 Ch 21 + 23/24 Species Abundance and Diversity

... Larger areas give large samples Sample more types of habitats Larger islands are bigger target for immigrants Populations large enough to prevent stochastic extinction S = cAZ or log S = log c + z log A (S = # species; A = area; c, z = constants) z = slope = 0.2 to 0.35 Less in continental areas tha ...
The Search for a Mechanism of Coexistence in Ecological Literature
The Search for a Mechanism of Coexistence in Ecological Literature

... may be relatively small for insect herbivores like the leaf-miners that are frequently specialists in a highly diverse and heterogeneous landscape. Competition kernels are a measure of the strength of competition experienced by an individual due to the number of neighbors it has, and how close these ...
ES CH 4 Test Review
ES CH 4 Test Review

... 1. Ecology is the study of how organisms interact with each other and with their environments. 2. A species is a group of individuals that interbreed and produce fertile offspring. 3. Members of a species that live in the same area at the same time make up a population. 4. All of the populations in ...
Unit 5
Unit 5

... 3. Describe the relationship between ecology and evolution. Ecology is the scientific study of the interactions between organisms and their environment. Events that occur in the frame of what is sometimes called ecological time transaltes into effects over the longer scale of evolutionary time. The ...
SYMBIOTIC RELATIONSHIPS
SYMBIOTIC RELATIONSHIPS

Interaction Among Species
Interaction Among Species

... Now consider this… ...
Bio112HW_5_ Populations
Bio112HW_5_ Populations

... 1. The number of individuals of the same species in some specified area or volume of habitat is the a. population density. b. population growth. c. population birth rate. d. population size. e. carrying capacity. 2. What distribution pattern is the most common in the natural world? a. random b. unif ...
How Species Interact with Each Other
How Species Interact with Each Other

Exponential Growth
Exponential Growth

... Exponential growth represents growth of organisms who have an unlimited supply of food and all limiting factors have been removed. The carrying capacity (K) of the ecosystem is assumed to be unlimited. It is a J – shaped curve. The steepness of the J varies with species. ...
Evaluation of ecosystem processes and global change adaptation.
Evaluation of ecosystem processes and global change adaptation.

... • To examine the biological effects of global change on the dynamic and integrity´s ecosystems, indicated by changes in the structure and functionality. ...
Population size
Population size

5-1 How Populations Grow
5-1 How Populations Grow

... the same space at the same time.  A resource is any life necessity. List some basic resources. _______________________________________________________________ Competitive Expulsion Principle (CEP)  Direct competition in nature usually results in a winner and a loser. The loser usually fails to sur ...
AP BIOLOGY SUMMER ASSIGNMENT Copy notes from webpage
AP BIOLOGY SUMMER ASSIGNMENT Copy notes from webpage

... 29. Which of the following is a likely explanation for why invasive species take over communities into which they have been introduced? a. Invasive species are less efficient than native species in competing for the limited resources of the environment. b. Invasive species are not held in check by t ...
1.2 Ecosystems
1.2 Ecosystems

...  Water is necessary for all life.  Nutrients, (such as nitrogen, and phosphorus) often enter the food chain with plants and are very important for growth.  Light is required for photosynthesis, which is the process in plants that converts and stores the Sun’s energy into starches and carbohydrate ...
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Storage effect

The storage effect is a coexistence mechanism proposed in the ecological theory of species coexistence, which tries to explain how such a wide variety of similar species are able to coexist within the same ecological community or guild. The storage effect was originally proposed in the 1980s to explain coexistence in diverse communities of coral reef fish, however it has since been generalized to cover a variety of ecological communities. The theory proposes one way for multiple species to coexist: in a changing environment, no species can be the best under all conditions. Instead, each species must have a unique response to varying environmental conditions, and a way of buffering against the effects of bad years. The storage effect gets its name because each population ""stores"" the gains in good years or microhabitats (patches) to help it survive population losses in bad years or patches. One strength of this theory is that, unlike most coexistence mechanisms, the storage effect can be measured and quantified, with units of per-capita growth rate (offspring per adult per generation).The storage effect can be caused by both temporal and spatial variation. The temporal storage effect (often referred to as simply ""the storage effect"") occurs when species benefit from changes in year-to-year environmental patterns, while the spatial storage effect occurs when species benefit from variation in microhabitats across a landscape.
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