General Principles of Aquatic Ecology KAREN L. LANCOUR National Rules Committee Chairman – Life Science Part I: General Principles of Aquatic Ecology Aquatic Ecosystems Freshwater Lotic ecosystems – flowing water o Streams o Rivers Lentic ecosystems – still water o Ponds o Lakes o Wetlands Estuary ecosystems Marine ecosystems o Coral Reef Ecology Review of Ecology Principles: Ecology = the systematic study of how organisms interact with one another and with their environment
Premium Ecology Trophic level Food chain
Cypress Tree Producers Provide nutrients Gumbo Limbo Producers Provide nutrients Royal Palm Producers Provide nutrients Population Effect on Population: •How might population change impact carrying capacity? •Climate •Resources •Abiotic and biotic factors •If a population increases‚ their supplies will decrease and if population decreases‚ then supplies will increase Symbiosis Mutualism Parasitism Commensalism Alligators will burrow and create large
Free Florida Ecology Plant
Ecology #1 1- Define abiotic and biotic components of the environment. Natural environment includes all the living and non-living components occurring naturally on Earth. The biological components of the ecosystem that is the biotic components interact with the physical entities (abiotic components). The scientific study of the interaction of biotic community with each other and with abiotic components is known as Ecology. Abiotic Components The abiotic components are also known as the abiotic
Premium Ecology Biology
1. Define ecology. Identify the two features of organisms studied by ecologists. Ecology is the scientific study of the interactions between organisms and the environment‚ which in turn determine both the distribution of organisms and their abundance. Ecologists study how interactions between organisms and the environment affect phenomena such as the number of species living in a particular area‚ cycling of nutrients in a habitat‚ and the growth of populations. 2. Describe the relationship between
Premium Ecology Natural environment Ecosystem
Name: _______________________ IB DP Biology: Ecology Test – Paper 1 40 Points 45 Minutes 1.Which phylum does the plant below belong to? A.AngiospermophytaB.BryophytaC.ConiferophytaD.Filicinophyta2.What is a community composed of? A.Habitats B.Populations C.Abiotic factors D.Biotic and abiotic factors 3.Which of the following is the best definition of a population? A.A group of individuals that can interbreed and produce fertile offspring B.The number of individuals of the same species
Premium Food chain Trophic level Population
Geography Essay—Social Ecology Introduction Social ecology is the conceptual principles for knowing the outcomes and relations of the diverse individual and environmental factors. Social ecology can be defined as the study of individuals within an environment‚ which have an impact on one another. It is believed to be the earth’s societies reflection upon itself‚ exploring‚ discovering‚ and considering its future (Gutkind‚ 1974). Factors of social ecology may include the infirmities of age‚ an increase
Premium Human Global warming Natural environment
ESSENTIALS OF ECOLOGY (Chapter 9) 1. Review the Key Questions and Concepts for this chapter on p. 184. What factors led to the premature extinction of the passenger pigeon in the United States? Factors that led to the premature extinction of the passenger pigeon are uncontrolled commercial hunting and habitat loss. Passenger pigeon in the 1858 became a big hunting business. Weapons like shotguns‚ traps and artilleries were used and even the burning of sulfur in suffocating the birds. These threats
Premium Extinction Ecology Endangered species
HUMAN ECOLOGY:ROLE OF FOOD AND WATER. What is Human Ecology? Ecology is the science of relationships between living organisms and their environment. Human ecology is about relationships between people and their environment. In human ecology the environment is perceived as an ecosystem (see Figure 1.1). An ecosystem is everything in a specified area - the air‚ soil‚ water‚ living organisms and physical structures‚ including everything built by humans. The living parts of an ecosystem - microorganisms
Premium Ecology Ecosystem Natural environment
BIOLOGY 331: GENERAL ECOLOGY TEST 1‚ FALL 2009 STUDY GUIDE Concepts: What is Ecology? • Foundation Disciplines (esp.‚ behavior‚ ecology‚ genetics‚ evolution) • What it is not (i.e.‚ not a study of environmental problems‚ but rather a study of interactions among organisms and environment) Levels of Organization • Individual organism • Population • Community • Ecosystem (with the abiotic environment) Limiting Factors – abiotic vs. biotic Adaptation
Premium Ecology Plant
Ecology and Evolution Crystal Dillon-Reeves BIO/315 April 1‚ 2013 Howard Rubin‚ Ph.D. Ecology and Evolution Beren Robinson performed remarkable field study of threespine sticklebacks. These fish closely relate to ecology and evolution. The researchers original findings are different than that of Robinson’s field study. His hypothesis states that the threespine sticklebacks varied phenotypes are the handiwork of natural selection supporting the discrepancy in the population. Diet and the
Premium Natural selection Ecology Evolution