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Part 1 - glenbrook s hs
Part 1 - glenbrook s hs

... species living on the South American mainland. It was as though the animals strayed from mainland, then diversified as they adapted to environments on the different islands. ...
Chapters 22-26
Chapters 22-26

... Biologists are interested in preserving the diversity of living organisms on the planet. A. Explain THREE of the following processes or phenomena, using an appropriate example for each. ...
Evolution - Mr. Gittermann
Evolution - Mr. Gittermann

... All organisms show individual variations mostly due to heredity Some variations are better adapted to survive These organisms that are more likely to survive therefore reproduce, therefore increase frequency of better adaptations Change over long enough time results in new species ...
Blank Jeopardy
Blank Jeopardy

... become more similar over time. ...
Evolution Worksheet #2
Evolution Worksheet #2

... ______________________________________________________________________________ ______________________________________________________________________________ 3) An inherited characteristic that increases an organism’s ability to survive and reproduce in its specific environment is called an ________ ...
Natural selection - El Camino College
Natural selection - El Camino College

... evolution occurred by the inheritance of acquired characteristics, body and behavior giraffes evolved long necks because ancestral giraffes tended to stretch their necks and this neck extension was passed on to subsequent generations ...
Evidence for Evolution
Evidence for Evolution

... What is the Theory of Evolution? • Evolution is defined as change over time. • One of the earliest theories of evolution was put forward by Darwin. • He studied physical differences in finches on the Galapagos Islands. • From his studies he discovered the theory of Natural Selection which favors so ...
File
File

... Darwin and Evolution 1. The world includes a tremendous diversity of living things throughout a wide range of habitats 2. Animal species like those in the Galapagos Islands are 1. Related 2. Can have different characteristics 3. Occupy different habitats in the same area ...
Evolution Vocab
Evolution Vocab

...  Fossil: evidence of past life preserved in rock.  Fossil record: the complete body of fossils that shows how species and ecosystems change over time.  Extinction: The evolutionary termination of a species caused by the failure to reproduce and the death of all remaining members of the species; t ...
Evidence for Evolution
Evidence for Evolution

...  Review of Natural Selection  Remember Darwin came up with the Theory of Evolution.  Natural selection leads to_________________________________ – traits are passed down from generation to generation and sometimes undergo changes or modifications over time ...
Evolution and Lab 4-4
Evolution and Lab 4-4

... Change Over Time ...
Natural Selection
Natural Selection

... A change in a species over time (many generations) ...
B1.7 Evolution
B1.7 Evolution

... Natural Selection ...
15.1 Darwin`s Theory of Natural Selection
15.1 Darwin`s Theory of Natural Selection

... mainland changed after reaching the Galapagos ...
The Theory of Evolution
The Theory of Evolution

... 3. Competition amongst species lead to the fittest offspring surviving (there are always more babies than the environment can support – they compete for resources to survive and best adapted wins!) 4. No single act of creation needed for each species. 5. Humans are different by ‘degree’ not kind. ...
History of Evolution
History of Evolution

... Evolution- change over time, is the process by which modern organisms have descended from ancient organisms. ...
Biology Study Guide Evolution Chapters 14 – 16 Test Friday April
Biology Study Guide Evolution Chapters 14 – 16 Test Friday April

... Radiometric dating; isotopes; half-life Jean LaMarck – early evolutionary theory; “acquired characteristics”, based on use or disuse Charles Darwin – traveled on the Beagle for 5 years; collected and observed “On the Origin of Species” – famous book detailing how evolution works by natural selection ...
Evolution - Welcome to G. Holmes Braddock
Evolution - Welcome to G. Holmes Braddock

...  Father of “Lamarckism”  Lamarckism is the idea that an organism can pass on characteristics that it acquired during its lifetime to its offspring  Lamarck proposed the inheritance of acquired traits, which was later proved to be wrong ...
Animal Adaptations
Animal Adaptations

... Internal Adaptations/Physiology is the way that an organism’s parts and processes function together. Variations in physiology can help some organisms survive better in their environment than others. ...
Lesson 2- Evolutionary Forces
Lesson 2- Evolutionary Forces

... 1. Explain what the “modern synthesis” is. How is it different from Darwin’s original theory of evolution? 2. Why does evolution have to involve the change of the genetic makeup of a population over time? 3. Explain each of the following modes of evolution in a population. For each one, describe the ...
Evolution Notes
Evolution Notes

... II. Evolution – process by which modern organisms have descended from ancient organisms. A. Natural selection: 1. Individuals that are better suited to their environment survive and reproduce most successfully. 2. Also called survival of the fittest. 3. Ex: Arctic hares hair color white (dom) vs. b ...
4-8-13_Natural Selection
4-8-13_Natural Selection

... Natural selection cannot fashion perfect organisms ...
Evolution and Natural Selection
Evolution and Natural Selection

... The ability to survive to adulthood  AND  The ability to reproduce and produce healthy, fertile offspring.  If an organism does not have both of these traits, their genes will not get passed on and they play no role in the future of their species. ...
Darwinian Natural Selection
Darwinian Natural Selection

... relations, their geographical distribution, geological succession, and other such facts, might come to the conclusion that each species had not been independently created, but had descended ... from other species. Nevertheless, such a conclusion, even if well founded, would be unsatisfactory, until ...
Evolution 2
Evolution 2

... – Hibernation, which enables animals to survive cold and food shortages in winter – Estivation (burrowing in the cool mud) which allows animals to survive drought and heat in summer – Group defense is common in herding mammals, which sometimes form a protective ring around their young ...
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Adaptation

In biology, an adaptation, also called an adaptive trait, is a trait with a current functional role in the life history of an organism that is maintained and evolved by means of natural selection. Adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation. Adaptations enhance the fitness and survival of individuals. Organisms face a succession of environmental challenges as they grow and develop and are equipped with an adaptive plasticity as the phenotype of traits develop in response to the imposed conditions. The developmental norm of reaction for any given trait is essential to the correction of adaptation as it affords a kind of biological insurance or resilience to varying environments.
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