'Density dependent factors' presentation slideshows

Ecology

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Demography

Demography. birth, death, immigration, and emigration. Populations grow due to birth and immigration , which occurs when individuals enter a population by moving from another population.

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Ecology

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Chap.16 Population Regulation

Chap.16 Population Regulation. Ecology 2000. ??. 16.1 The logistic equation describes the growth of a regulated population. 16.2 A qualitative model of continuous population growth reveals the relationship between population density and growth rate.

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2.6 Ecosystem Changes

2.6 Ecosystem Changes. Population Growth. Population: a group the same species that live in the same place at the same time Resources: food, water, shelter, space and mates In theory populations can grow to an infinite size, but they are limited by resources

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MITOSIS

MITOSIS. B I N A R Y F I S S I O N. 1. The number of chromosomes varies within species 2. Chromosomes are composed of chromatin a. Complex of 40% DNA and 60% protein b. Contains some RNA since DNA is the site of RNA synthesis DNA exists as a long double-stranded fiber

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Population Ecology

Population Ecology. MRS. bENJAMIN. What two countries contain the largest human populations? a. United States & China b. India & United States c. China & India d. Australia & China. 2. The current world population is approximately a. 6,900,000,000 b. 9,000,000,000 c. 5,000,000,000.

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Semester 2 Final Review Part 2

Semester 2 Final Review Part 2. Carbohydrates, Photosynthesis & Respiration and Ecology. DECOMPOSERS. Cause decay and release essential nutrients back into the environment to be recycled . Scavengers Detritivores Saprotrophs. 1. Scavenger:.

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Population Dynamics

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Introduction to Ecology

Introduction to Ecology. J.T. II Olivar, MAEd Faculty of Arts and Letters University of Santo Tomas. Objective of the Lecture. To relate the different components of the ecosystem. To trace the energy transfer in the food pyramid using the laws of thermodynamics.

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POPULATIONS

POPULATIONS. Definition: All the members of a species that live in one place at one time. PROPERTIES of Populations. Population SIZE The number of individuals in a population Population DENSITY Number of individuals per unit of area DISPERSION

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Ecological Principles and the Chesapeake Bay

Ecological Principles and the Chesapeake Bay. Objectives. Be familiar with the following ecological principles: Organisms adapt to their habitat Pyramid of numbers, biomass, energy Nutrient cycles Ecosystem Balance Ecosystem Stability Ecosystem Succession.

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Population Fluctuation Notes

Population Fluctuation Notes. Review Question 1:. What factors lead to exponential growth in populations?. Review Question 2:. What factors lead to logistic growth curves?. Check For Understanding . When the birthrate of a population exceeds its death rate, the population decreases.

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5.3 Population Dynamics

5.3 Population Dynamics. Population : A group of individual of the same species living in a defined area that have the potential to interbreed and produce fertile offspring. IB 5.3 Assessment Statements.

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Chapter 5 Populations

Chapter 5 Populations. Section 5-2 Limits To Growth. Limiting Factors. Cause Population Growth to DECREASE! Competition Predation Parasitism & Disease Climate Extremes Human Disturbances. Density Dependent Factors : differ with the biome/environment Amount food Disease Competition

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Chapter 2 Guide Part II

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To Do

To Do. Print Quizzes Print Sections 6.1, 6.2, 6.4, 6.5, 6.6 Print Chapter 6 Review up to question #19 . Semester 2, Day 5. Agenda. Finish HW Turn in HW Quiz on Population Lecture on Cells Practice on Cells Break Reading/Work Time. 30 Minutes Work/Reading Time. Finish Chapter 4

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POPULATIONS

POPULATIONS. Honors Biology. REVIEW . What is ecology? What do the following terms mean: Organism Population Community Ecosystem Biosphere What is the difference between abiotic and biotic factors? Name examples. OBJECTIVES.

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Learning Targets for October 8-9 th , 2013

Learning Targets for October 8-9 th , 2013. I can describe the key characteristics of populations. I can describe the different types of population growth. I can differentiate between Density dependent factors and Density Independent factors. I can explain a Life Survivorship Curve.

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Bell Ringer:

Bell Ringer:. 3 Factors that affect population size: Number of Births Number of Deaths Number of individuals entering or leaving a population (immigration vs. emigration). Increase: births and immigration Decrease: deaths and emigration. Limits to Growth Section 5-2. Flora.

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