Adaptations and Evolution

Slides:



Advertisements
Similar presentations
Darwin’s Voyage 5.1. Charles Darwin Darwin was the ship’s naturalist on the HMS Beagle in the early 1800’s.
Advertisements

NATURAL SELECTION!! Watch DISCOVERY VIDEO on natural selection How have marine environments played an important role in study the development of populations?
Biology. 1. Cluster of events at the more resent end of the timeline. Few, widespread events at the deep time end of the timeline. 1. Geological events.
Introduction to Evolution Chapter 15 Standards 8a, 8b and 7d.
How Does Evolution Happen?
Natural Selection and Evolution!. Why two types of clover? What advantages does the striped clover have? The plain? How does cyanide help/hurt these plants.
14.1 Theories of Evolution. Early Theory- Lamarck  Lamarck believed that organisms adapted to their environments. His theory was based on 3 incorrect.
Chapter 7 Evolution of Living Things. A characteristic that improves an individual’s ability to survive and reproduce in a particular environment Adaptation.
Charles Darwin ( ) Sailed around the world
Natural Selection. Fur colorBrownTanBlackWhite Age at death6 months8 months4 months2 months # of pups61220 Running speed 8 m/ min6 m/ min9 m/ min7 m/
NATURAL SELECTION. Darwin observed that – organisms produce more offspring than the environment can support – organisms vary in many characteristics –
Natural Selection. Fur colorBrownTanBlackWhite Age at death6 months8 months4 months2 months # of pups61220 Running speed 8 m/ min6 m/ min9 m/ min7 m/
Natural Selection. What is natural selection? Natural selection is the process by which certain individuals of a species are better adapted to the environment.
Natural Selection Page 59. Mutations Errors in DNA that typically occur when a cell divides- accidental and random! Sometimes, mutations produce a new.
How Did Darwin Explain Evolution? Hw: Rd 418 – 422 Q 1-4 p 422.
THEORIES OF EVOLUTION. Theories  Confirmed through tests and observations  Explain a wide variety of data and observations  Can be used to make predictions.
1 The trace remains of an organism that lived long ago and may be used as evidence to support the theory of evolution.
EVOLUTION and NATURAL SELECTION Explaining the UNITY and DIVERSITY of LIFE.
Natural Selection vs. Selective Breeding Environmental and Human Influences.
7.5 On the Origin of Species Pages Charles Darwin On the origin of Species published in 1859.
Natural Variation & Artificial Selection. Natural Variation & Artifical Selection Darwin, through many observations, explained evolution by natural variation.
Topic: Adaptations and Evolution C-Notes EQ: How do adaptations aid in the survival of a species?
Natural Selection vs. Selective Breeding
Natural Selection. Natural Selection Which mouse is the fittest? Why? Fur color Brown Tan Black White Age at death 6 months 8 months 4 months 2 months.
15-3: Darwin Presents His Case Part 1
Evolution Ie- Change over Time.
Chapter 13: Evolution.
What is the driving force of evolution?
Natural & Artificial Selection
Title your page: Selective Breeding and Natural Selection Notes
…this polar bear was bright pink?
Adaptation and Natural Selection
Theory of Evolution Evolution: The process of change over time
Natural Selection March 3rd/4th, 2009.
Evolution Ie- Change over Time.
How Does Evolution Happen?
Chapter 16: Darwin’s Theory of Evolution
QOTD Label each as natural/artificial selection Dogs Giraffe
Evolution.
How does the chameleon catch the insect?
8-4 Notes: Adaptations.
Natural Variation & Artificial Selection
Natural Variation & Artificial Selection
Evolution.
Natural Selection.
Agenda – Warm-up 10.3 Reading Preview and Bioterms
Who was Charles Darwin? What is natural Selection?
Darwin & Natural Selection
Section 6 Quiz Review.
“survival of the fittest,” best done through adaptations.
Evolution Ie- Change over Time.
Warm up Humans evolved from apelike ancestors. What are some differences in traits between us and other primates? Dogs evolved from wolves. How are dogs.
Natural Variation & Artificial Selection
Theories of Evolution 15.2 pp
Several key insights led to Darwin’s idea for natural selection.
This is Evolution.
Evolution.
Charles Darwin The Origen of Species by Means of Natural Selection - or - The Preservation of favored ‘species’ in the struggle for life ©1859.
Title: Natural Selection
Natural Selection. Natural Selection Which mouse is the fittest? Why? Fur color Brown Tan Black White Age at death 6 months 8 months 4 months 2 months.
How Does Evolution Happen?
Darwin Presents His Case
Evolution Biology.
Notes: Theory of Evolution
Darwin & Natural Selection
Development of the modern theory of how evolution happened
Bell Ringer Define Bipedalism.
Theory of Evolution Any information that IS NOT in your booklet, write it in. If you already have this information, then just listen.
Natural Selection.
Darwin Presents His Case
Presentation transcript:

Adaptations and Evolution

Adaptation The adjustment of an organism to its environment by which its “fitness” or ability to survive is enhanced If an organism does not adapt to its environment it WILL NOT survive What are some examples of adaptations? With your table group come up with a list of 5 adaptations.

Examples of Adaptations Polar Bears—thick fur Small Snakes– venom Chameleon– ability to change its color Artic Fox– white fur Camel– hump Bird Beaks– different types for different foods **Choose one of these adaptations or one showed in the video to write a paper (at least ½ page) explaining the adaptation and how it helps the animal survive in its habitat.** DUE MONDAY!! (MUST be typed in 12pt font)

Natural Selection Also known as “Survival of the Fittest” Process by which traits become either more or less common in a population based on the adaptations of animals If adapted well to environment will reproduce and pass on the adaptation If not adapted well to the environment animal will not live to reproduce and will not pass on its traits

Selective Breeding Process by which humans breed animals and plants for particular traits. Examples: Dog breeds for size/ physical characteristics and for less health issues Cows for better milk production Corn for better crop yields

Evolution The change of organisms over time via adaptations and natural selection Theory presented by Charles Darwin in his book The Origin of Species in 1859