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Environment

Botkin and Keller Chapter 1 Reading Guide

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Lincoln High School APES Botkin & Keller- 8th Edition Chapter #1- Key Themes in Environmental Sciences Guided Reading Name: _____________________________________ Due Date: __________________ 1. Read the separate ?Mangrove Swamp? case study found on the course website. Explain how the issue with Maitri Visetak and the Mangrove Trees illustrate a major concept of environmental concerns. 2. What does the Amboseli Case study illustrate about environment science? 3. Why do estimates of how many people the planet can support range from 2.5 billion to 40 billion? Explain. 4. What are the 6 interrelated themes of environmental science? * * * *?* * 5. What is considered to be THE underlying issue of the environment? Explain why.

Botkin and Keller Chapter 1 Reading Guide Key

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Botkin & Keller- 8th Edition Chapter #1- Key Themes in Environmental Sciences Guided Reading Name: _____________________________________ Due Date: __________________ 1. What does the Amboseli Case study illustrate about environment science? The Amboseli story illustrates that many environmental factors operate together, and that causes of change can be subtle and complex. 2. Why do estimates of how many people the planet can support range from 2.5 billion to 40 billion? Explain. The answer depends on what quality of life people are willing to accept. Beyond a threshold world population of about 4?6 billion, the quality of life declines. How many people the Earth can sustain depends on science and values and is also a question about people and nature.

chap_1_earth_7th_edition_de_blij.pdf

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Name: ___________________________________________ Period: ________ Date: _________ Unit 1 The Earth as Humanity?s Home AP Human Geography Development of Agriculture __________ ________ = the current interglacial period, extending 12,000 years ago. Perhaps 4 -8 million people were alive at the beginning of this period ________ __________ = the process of planned cultivation of root and/or seed crops that began as early as 14,000 years ago in several culture hearths across the globe; may have begun in southeastern Asia (Sauer) ? ______ ______ = plants that grow as tubers in the tropics (yams, sweet potatoes, manioc,?) ? ______ ______ = field crops, such as barley or wheat; more complex cultivation process involving

Cell bio chapter 10

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Photosynthesis Converts solar energy into chemical energy Utilizes that to make ATP Generates O2 and organic molecules which are used in cellular respiration Energy Flow and chemical recycling in ecosystems Plant cell Have mitochondria Undergo cellular respiration Concept 10.1 Chloroplasts Site of photosynthesis Chlorophyll- pigment that absorbs light energy Thylakoids- contain chlorophyll Stomata Pores- can open and close By closing pores water won?t evaporate as quickly and CO2 can?t enter so sugars are made so won? Permits gas exchange CO2 enters O2 exits Found on underside of leaf Lights reactions Allow cell to make ATP Occur in thylakoids Split H2O Release O2 Produce ATP and NADPH+H+ ATP utilized to make sugars Calvin Cycle Energy requiring process

AP Human Geography Ch. 1 notes

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Nayree Panossian AP Human Geography Ch.1 - 1 Notes Geography = The study of where things are found on earths surface and the reasons for the locations. Maps as reference tools = a map helps us find the shortest route btw 2 places, and to avoid getting lost along the way. We consult maps to know where in the world some place is found. Maps as communication tools = a map is often the best means for showing the distribution of human activities or physical features, as well as for thinking about reasons underlying a distribution. Early Maps = the earliest of maps were reference tools ? simple navigation devices designed to show a traveler how to get from point A to point B.

Ecology: background information

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Ecology: Definitions Ecology: The scientific study of the interactions between organisms and their environment that determines the distribution and abundance of organisms Ecology is a science Environmentalism is a cause Conservation Biology is the integration of these two: using science to support a political cause Population ecology: experimental field approach: natural populations manipulated to test specific predictions arising from controversial ecological theory Organismal ecology: studies how an organism?s structure, physiology, and (for animals) behaviour meet environmental challenges Population: all the individuals of the same species within an ecosystem Population ecology focuses on factors affecting how many individuals of a species live in an area

Speciation

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The last ice age produced many different species mainly because of vicariance events; the glaciers physically separated populations from each other. Sympatry: populations that live close enough to interbreed Gene flow prevents speciation in sympatric populations A mating between a tetraploid individual and a diploid individual produces: triploid individuals: which likely produce nonviable gametes with an uneven number of chromosomes All polyploid individuals contain more than two haploid sets of chromosomes
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Ozone

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Ozone: Ozone is found near the ground in the troposphere, and it is also a major component of smog. The ozone close to the ground should not be confused with the ozone in the upper layer of the atmosphere (the stratosphere), which screens out harmful ultraviolet rays. Ozone is formed when nitrogen oxides and volatile organic compounds mix in the sunlight, and therefore ozone levels are always higher in summer. Nitrogen oxides are formed by burning fossil fuels, and some sources of volatile organic compounds are factories and trees.

BIO152 Lecture 12 The Origin of Species

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Lecture 16-17 BIO152 The Origin of Species L16 flightless : can?t fly but its a really good swimmer Biological species concept states a species is group whose members have potential to interbreed in nature and produce viable, fertile offspring mule is viable but not fertile reproductive isolation-barriers that prevent two species from breeding reproductive isolation is classified if it happens before or after fertilization sperm of one species may not be able to fertilize the other- gameric isolation they may be viable in one generation but not the others- hybrid breakdown post zygotic barriers have to do with hybrids beluga seal intrasextual- inflates balloon to warn of males if they approach and use his balloon again to attract female (intersextual)

Chapter 8 Bio

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Overview: The Process That Feeds the Biosphere ? Photosynthesis is the process that converts solar energy into chemical energy. ? Directly or indirectly, photosynthesis nourishes almost the entire living world. ? Autotrophs sustain themselves without eating anything derived from other organisms. ? Autotrophs are the producers of the biosphere, producing organic molecules from CO2 and other inorganic molecules. ? Almost all plants are photoautotrophs, using the energy of sunlight to make organic molecules from water and carbon dioxide. ? Photosynthesis occurs in plants, algae, certain other protists, and some prokaryotes. ? These organisms feed not only themselves but also the entire living world. ? Heterotrophs obtain their organic material from other organisms.

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