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Mosaic evolution – Evolution of characters at various rates both within and between species; Parallel evolution – Similar evolution in distinct species; Quantum evolution – Evolution where transitional forms are particularly unstable and do not last long; Recurrent evolution – The repeated evolution of a particular character
Beginning of animal evolution. [54] [55] 720–630 Ma Possible global glaciation [56] [57] which increased the atmospheric oxygen and decreased carbon dioxide, and was either caused by land plant evolution [58] or resulted in it. [59] Opinion is divided on whether it increased or decreased biodiversity or the rate of evolution. [60] [61] [62 ...
All organisms follow a specific sequence in their development, [9] beginning with gestation and ending with death, which is known as the life cycle. Events in between usually include birth, childhood, maturation, reproduction, and senescence, and together these comprise the life history strategy of that organism.
A truly random sample is a sample in which no outside forces affect what is selected. It is like pulling marbles of the same size and weight but of different colours from a brown paper bag. In any offspring, the alleles present are samples of the previous generation's alleles, and chance plays a role in whether an individual survives to ...
Experimental Evolution — a list of laboratories that study experimental evolution. Network for Experimental Research on Evolution, University of California. Nicholls, Henry (30 September 2009). "My little zebra: The secrets of domestication". New Scientist. Inquiry-based middle school lesson plan: "Born to Run: Artificial Selection Lab"
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
Webster v. New Lenox School District, 1990; Freiler v. Tangipahoa Parish Board of Education, 1994; Kansas evolution hearings, 2005; Kitzmiller v. Dover Area School District, 2005; Selman v. Cobb County School District, 2005
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