Ecology this is the study of interrelations interactions between an organ ism or a group 0of organisms and their environment. The following articles will help to explain and deepen your understanding and knowledge of topics linked to this module. Ocr biology a module 6 ecosystem management teaching. In order to study an ecosystem it is essential that the way in which organisms interact with each other within the ecosystem is considered. Ecology reading pages 3552, 5455, 9199, 100101, 116120 ecology deals with interactions among organisms interactions between organisms and the environment dependent on biotic factorseffect of living organisms in the environment, both direct and indirect abiotic factors effect of nonliving water, oxygen, light, temperature, soil, organic and inorganic nutrients. The pdf files for separate chapters are also available.
This is where all as level resources will be published. Apr 21, 2016 revision sheets outlining the content in the 201516 newest biology as ocr content on biodiversity. Join over 22,000 learners who have passed their exams thanks to us. A2 biology notes 20162018 all in one here is a pdf file with a2 level biology notes 20162018 cambridge international for you to download. The distribution of ecosystems across the world is dependent on the climate and soil they rely on in order to grow. Click on the popout button on the upper right corner of the pdf file to have full view or click here to download. Disclaimer the information presented is no way produced or endorsed by any exam board.
The boundaries of the ecosystem studied are dictated by the individual carrying out the study. Tropical life zones, the rainforest and how it functions, evolution in the tropics, tropical plants, tropical plant compounds and bioprospecting, plantanimal interactions, tropical birds and mammals, tropical fish, amphibians. The concept of the ecosystem scool, the revision website. All organisms need energy to survive, some get of these organisms get their energy from sun like plants with photosynthesis and others are able to get their energy from consuming other organisms. Choose from 500 different sets of a level biology flashcards on quizlet.
The informationideas contained in the podcast could then be discussed and questions posed as a starter activity for the next lesson. Learn what an ecosystem is, how energy and matter move through ecosystems, and what makes an ecosystem stable. Any group of living organisms and non living things occurring together, and the interrelationships between them. An ecosystem is a living community of plants and animals within a natural environment. Gcse geography revision section covering ecosystems. This section covers global distribution map, tropical rainforests, coniferous forests and savanna grasslands. Over 22,000 learners have used our materials to pass their exams. This is where all a level resources will be published. An ecosystem can also be defined as a biological community of interacting organisms and their physical environment. Learn a level biology with free interactive flashcards. An ecosystem is the dynamic interaction between all the living biotic and nonliving abiotic factors in a given area. Apr 08, 2015 the best biology o level notes compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you.
The notes were compiled by zimsec examiners and use the zimsec combined science new curriculum. For a level biology, suited for unit 5 of the ocr exam board. Notes can be used as class handouts or for revision notes. A level ecosystem terms flashcards create, study and. The functions of ecosystem are related to the flow of. An ecosystem includes all the living organisms that interact with one another and also with the physical and nonphysical factors present the boundaries of the ecosystem studied are dictated by the individual carrying out the study. Properties of water and their biological significance. May 17, 2017 a2 biology notes 20162018 all in one here is a pdf file with a2 level biology notes 20162018 cambridge international for you to download. There is variation in the phenotypes of organisms in a population, due to genetic and environmental factors. This is a partially permeable membrane separating the cell from the environment its made of lipid and protein, it controls movement of substances in and out, its strong but flexible. Photosynthesis respiration energy in ecosystems nutrient cycles succession ecology. Biosphere, which is, you can think of it as a meta ecosystem, or oftentimes in my head i view it as a fully, it contains all of the ecosystems that are in some way connected to each other. These have been made according to the specifications h020, h420, h021, h421 and cover all the relevant topics for examination in mayjune. Providing study notes, tips, and practice questions for students preparing for their o level or upper secondary examinations.
Genetic drift can cause changes in allele frequency in small populations. Scool revision summary scool, the revision website. Topics include basic vocabulary, levels of organization, food webs, trophic levels and cycles in nature. As biology notes 2015 all in one here is a pdf file with as biology notes 2015 for you to download. This includes living things biotic factors and nonliving things abiotic factors. Gce study buddy the best o level revision resource. Home search pdf classification cells enzymes nutrition transport respiration reproduction.
If youre ready to pass your alevel biology exams, become a member now to get complete access to our entire library of revision materials. It may be as large as the biosphere or as small as an enclosed bacterial colony. Conservation of environment alevel biology revision notes. In an ecosystem a community of living organisms lives in conjunction with the nonliving components of their environment things like air, water and mineral soil, interacting as a system. Achieving a level 8 in maths is regarded as a gifted individual. Biology, ecology, earth science, meteorology, geography, human geography, physical geography. Genetics, populations, evolution and ecosystems alevel only. The podcast is relatively long, 20 minutes, so the best option would be to download this onto a schoolcollege network and ask students to listen to this as homeworkindependent study, making notes.
Biodiversity is much more than a list of all the species in a particular area. And if you want to get a level above an ecosystem, then sometimes youll hear people talk about a biosphere. Smart notes online provides help to the students by classifying resources, such as books, revision guides, notes, past papers, mark schemes and examiner reports. Illustrations and diagrams to make notes easier to understand. Powered by create your own unique website with customizable templates. The things of the world are classified into two major groups namely the living or biotic component and the nonliving or a biotic component. Herbivores plant eating carnivores meat eating omnivores both plant and animal eaters. An ecosystem includes all the living organisms that interact with one another and also with the physical and nonphysical factors present. Looking back now, it was one of the best decisions i made. Within an ecosystem, every organism occupies a specific ecological niche a niche includes all the abiotic and biotic conditions of the environment which organisms are adapted to. We provide detailed revision materials for a level biology students and teachers. Biology as level ocr revision notes biodiversity teaching.
Organisms living in a particular area and any nonliving conditions within the area are together treated as an ecosystem. For each of the papers below, there are revision notes, summary sheets, questions from past exam papers separated by topic and other worksheets. The biotic component includes all types of living organisms, both plants and animals and the biotic component includes the nonliving materials soil, water, air, etc. Biology 0610 smart notes online is an educational platform that makes studying smart, easier, better and lesstime consuming. These relationships are the biotic factors of the ecosystem. This is a jelly like substance, its made of mostly water and protein. Revision sheets outlining the content in the 201516 newest biology as ocr content on biodiversity. Two forces affect genetic variation in populations. Cie o level notes a biology gcse, igcse, ib, alevel. It is also essential that the effects of the physical or nonliving factors are considered.
Classification of living things or click here to download. You could use them to build a mindmap, make a key word glossary or simply annotate them so you understand them in your own way. Summary notes and past exam questions by topic for ocr biology a alevel module 6 genetics, evolution and ecosystems. Jun 05, 20 for a level biology, suited for unit 5 of the ocr exam board. Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth. Cells and microscopy biological molecules enzymes cell membranes and transport the mitotic cell cycle. The guide has helped me jump from a level 6a to a level 8c in maths, and im only in year 8. The best biology o level notes compiled from all around the world at one place for your ease so you can prepare for your tests and examinations with the satisfaction that you have the best resources available to you. Selfcontained unit made up of the biotic and abiotic factors in an area.
Autotrophs make their own food using carbon dioxide, water and the suns energy photosynthesis plants producers heterotrophs. Any group of living organisms occurring together, and the interrelationships between them. Biology notes all in one here is a pdf file with all biology notes for you to download. Tips and notes for english, general paper, and composition writing are also provided. Ecology is the study of how living things interact with each other and their environment. For each of the exam boards below, there are revision notes, factsheets, questions from past exam papers separated by topic and other worksheets. An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life. You can find notes and exam questions for additional math, elementary math, physics, biology and chemistry. Each group has a different assigned ecosystem masai maraterai regionpeat bogs. A group of individuals of the same species in a habitat. The more complex is the structure the greater is the diversity of the species in the ecosystem. Although im a ks3 student, i decided to give jeevans guide a try because i know gcse and ks3 are fairly similar. Biodiversity basics and sampling sampling techniques and simpsons index of biodiversity factors affecting biodiversity how to maintain. O level biology revision notes made for the cie exam boards.
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