Group selection describes natural selection operating between groups of organisms‚ rather than between individuals. This would produce adaptations that benefit the group‚ rather than the individual. Darwin’s theory of evolution was based upon individual selection‚ and he rejected the idea of group selection. Artificial selection is the selective breeding carried out by humans to alter a population. It is a procedure often used in agriculture: artificial selection has been used to alter the number
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· Taxonomy ○ Science of classification ○ Provides an orderly basis for the naming of organisms and for placing organisms into a category (taxon) ○ Makes use of and makes sense of the fundamental concepts of unity and diversity among living things ○ Basic principle is that members of higher-levels groups share fewer characteristics than those in lower-level groups * Escherichia coli - rod shape and have a Gram-negative cell wall * Even members of the same species display variations
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Name: __________________________ Date: _____________ 1. Young children typically try to stay very close to their parents when they are in an unfamiliar setting. This best illustrates the adaptive value of: A) habituation. B) conservation. C) the rooting reflex. D) attachment. E) egocentrism. 2. The branch of psychology that systematically focuses on the physical‚ mental‚ and social changes that occur throughout the life cycle is called: A) clinical psychology. B) social psychology
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Chapter 12 Cyclins and cyclin-dependent kinases are regulatory proteins that assist in the cell cycle. Particular protein kinases give the go-ahead signals at G1 and G2 checkpoints. These protein kinases are present at a constant concentration in the cell but are inactive unless in the presence of cyclin‚ these are cyclin dependent kinases. The activity of a cdk rises and falls with the concentration of cyclin. Cyclin levels rise during the S and G2 phases then fall abruptly in the M phase
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Chapter 10 Foundations of Genetics Lecture Notes 1 Foundations of Genetics Mendel and the Garden pea The father of modern Genetics is Gregor Mendel. Gregor Mendel (1822-1884) was an Austrian monk who lived in a monastery where the experiments with the garden pea were performed. Mendel’s work with the garden pea was the fundamental study which unveiled the laws that govern genetics and heredity. Mendel was the first to use the scientific method in a very systematic and analysed his results
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Multiple Choice Questions Choose the correct answers from the following: 1. _________ described the circulation of blood in 13th century. (Bu Ali Sina‚ Ali Bin Isa‚ Ibn-Al Nafees) 2. Each fore limb of frog has _________ fingers. (4‚ 5‚ 6) 3. Fruit is formed by the enlargement of _________. (Stigma‚ Style‚ Ovary) 4. The earthworm belongs to the phylum _________. (Nematoda‚ Annelida‚ Mollusca) 5. The saliva contains an enzyme known as _________‚ which acts on carbohydrates
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KLINEFELTER SYNDROME RESEARCH 1 Klinefelter Syndrome Research Duyen Le Ap Biology KLINEFELTER SYNDROME RESEARCH 2 Abstract Klinefelter syndrome is the most common genetic disorder that affects males. The affected male has an extra copy of X chromosome‚ which means he has 47 chromosomes (XXY). The effects of Klinefelter syndrome vary by age; the patients with Klinefelter syndrome usually have weak muscles‚ slow
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reproduction‚ which are; asexual and sexual reproduction. Asexual reproduction is creation of offspring whose genes all come from one parent. Sexual reproduction is creation of offspring by fusion of male gametes (sperm) and female gametes (eggs) to form zygotes. Asexual reproduction involves a type of cell division known as mitosis. Mitosis is the scientific term for nuclear cell division‚ where the nucleus of the cell divides‚ resulting in two sets of identical chromosomes. Mitosis is accompanied by cytokinesis in
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advocate or support abortion. Abortion effectively violates an unborn baby’s 14th Amendment rights to life‚ liberty‚ and property‚ as well as due process and equal protection. Abortion is murder as referring to unborn babies as "fetus‚" "embryo‚" or "zygote‚" may be scientifically correct‚ but does not change the fact that these are human beings. Though called "parasite‚" "blob‚" or "tissue‚" give each fetus about 266 days after conception and see what emerges from his mother ’s womb. A baby’s nerves
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picture of how he was before his transformation. When X tells about his introduction to the dictionary‚ the reader can instantly relate his story to their own experiences with dictionaries; able to look back on the day when they found that aardvark and zygote are the first and last words in the
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