haploid of chromosomes. This is because the chromosomes of a female and male sex cell merge when the female egg is fertilized and thus the new cell (formed through fertilization) will have a diploid of chromosomes from which to build upon as the new organism develops. DNA duplication is also confused as occurring in both Mitosis and Meiosis. In one regard‚ this assumption is correct. However‚ this correctness requires that a person specify at which stage of meiosis DNA duplication occurs. DNA duplication
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association of 2 or more atoms) Cell - smallest unit of life Tissue - organized array of cells and substances that interact in a collective task Organ - structural unit of interacting tissues Organ System - a set of interacting organs Multicelled Organism - individual that consists of one or more cells Population - group of single celled or multicelled individuals of a species in a given area Community - All populations of all species in a specified area Ecosystem - A community interacting with
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the study of living organisms‚ divided into many specialized fields that cover their morphology‚ physiology‚ anatomy‚ behavior‚ origin‚ and distribution. Biotic vs. abiotic factors Biotic- living factors i.e. plants‚ animals‚ fungi‚ bacteria‚ and protest Abiotic- nonliving factors that affect living organisms. Environmental factors: habitat & weather 7 Characteristics of living things (Bio 3 Book Ch. 1) Uni-cellular vs. Multi-cellular Uni-Cellular- single celled organisms‚ i.e. bacteria‚ amoeba
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choice was mine‚ I would place them into violet light‚ because almost none of it would be reflected. 2. Explain the statement: "Without autotrophic organisms‚ heterotrophic lofe would cease to exist." Without autotrophic organisms heterotrophic organisms would not be able to survive for two asic reasons. One is the fact that autotrophic organisms create most of the oxygen that heterotrophs breath. Whithout them‚ heterotrophs which need oxygen to survive would not live very long. The second reason
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Z.B ‚Pan No. ALUPA2607A Why do we associate such visible movements with life? A possible answer is that we think of movement as a response to a change in the environment of the organism. The cat may be running because it has seen a mouse. Not only that‚ we also think of movement as an attempt by living organisms to use changes in their environment to their advantage. Plants grow out into the sunshine. Children try to get pleasure and fun out of swinging. Buffaloes chew cud to help break up
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THE 5 KINGDOMS OF LIFE- the amazing diversity of living systems 1. the Monera The five-kingdom system of classification for living organisms‚ including the prokaryotic Monera and the eukaryotic Protista‚ Fungi‚ Plantae and Animalia is complicated by the discovery of archaebacteria. The prokaryotic Monera include three major divisions: The regular bacteria or eubacteria; the cyanobacteria (also called blue-green algae); and the archaebacteria. Lipids of archaebacterial cell membranes differ considerably
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Organisms have complex and extraordinary tools for sensing their environments. These tools have been honed to enable them to efficiently navigate the world around them. As a result‚ each and every organism alive today is the product of natural selection. Over time‚ this acquired set of skills evolved into the five common senses; sight‚ smell‚ touch‚ hearing‚ and taste. Taste is one of the most valuable ways an organism can interact with its environment‚ since the ability to identify and process the
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life. How does this organization lead to the emergence of new properties at different levels of biological complexity? Cell(hours to reproduce)‚ Organism (hours to days to reproduce)‚ Population(up to thousands of years to reproduce)‚ Species (thousands to millions of years to reproduce) . Cells hold the replication for all major parts of organisms that become part of a population that are part of a species. All interconnect. 4). What is the relationship between heredity and variation in
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Analytical Brief - Cloning Cloning is the process of creating copies of DNA‚ cells‚ or organisms‚ in other words‚ it is the “creation of an organism that is an exact copy of another” (What is Cloning?). An early embryo cell is separated in a petri dish and injected into a surrogate mother. Through cloning‚ scientists are able to make an exact genetic copy of a living organism. The clone and the original are identical in every way. Clones are able to function and interact with other living things
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Microscopy Introduction What is life? What are the key factors that biologists have defined that apply to every single organism on the planet? In the 17th century‚ due to the amazing advancement of the microscope‚ biologists created a theory to differentiate the living from the non-living called the cell theory. One concept from the theory is that all living organisms are composed of one or more cells. The importance of studying cells is akin to the importance of studying life. By being able
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