Essential Questions. What evidence is there for the theory of micro and macro evolution?
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1 Essential Questions What evidence is there for the theory of micro and macro evolution? What will the Earth look like 1,000-10,000 year from now given evolutionary processes? How old is the Earth?
2 Materials Needed Today Please take these materials out of your backpack. Pencil Darwin s Voyage Notes Hot Sync Friday 11/21/14 Answer the following questions in complete sentences on a BLANK sheet of paper. 1) Write down what the word evolution means to you. 2) How does that word make you feel? 3) What are your thoughts towards that word?
3 Materials Needed Today Please take these materials out of your backpack. Pencil Darwin s Voyage Notes Age Of The Earth Rough Draft---Final Draft due Friday. Hot Sync Monday 12/8/14 Answer the following questions in complete sentences on a BLANK sheet of paper. 1)What do you think a mouse population would look like that lives in a snowy climate? Fur color: Fur length: Eye color: Feet
4 EVOLUTION As you watch this video think of what the word evolution means. The Evolution of Dance RNg
5 EVOLUTION of species Evolution is change over time. Micro Evolution Small Changes within a species. EX: the color of fur on a mouse Macro Evolution LARGE changes resulting from small changes in all living things over time. EX: a human and a cow came from the same ancestor.
6 EVOLUTION of species Evolution is change over time. Write this down! Micro Evolution Small Changes within a species. EX: the color of fur on a mouse Macro Evolution LARGE changes resulting from small changes in all living things over time. EX: a human and a cow came from the same ancestor.
7 Charles Darwin 5.1 Natural Selection The naturalist Charles Darwin was the first person to write a thorough collection of evidence supporting micro evolution. He started by ASKING QUESTIONS!!! Darwin s hypothesis serves as the basis of all biological research today. Review: what must scientists gather to prove a hypothesis to make it a theory?
8 Charles Darwin (cont.) 5.1 Natural Selection iers/dosdarwine/darwin.ht ml Darwin explored South America and its remote islands, such as the Galapagos, on the HMS Beagle.
9 Materials Needed Today Please take these materials out of your backpack. Pencil Sheet of paper for notes Darwin s Voyage and letter Hot Sync Tuesday 12/9/14 Answer the following questions in complete sentences on a BLANK sheet of paper. Free Write: Tell me about anything you want me to know. Possibilities: What you did this weekend A crazy adventure you once had. A dream that you had
10 5.1 Natural Selection Darwin s Observations Darwin made observations about the diversity and uniqueness of organisms. -- Many of the animals on the Galapagos were similar, but not the same as organisms in mainland South America. Darwin reasoned that perhaps the organisms in the Galapagos originally came from South America and over time, they had evolved.
11 Tortoises Darwin found giant tortoises on all the Galapagos Islands, but nowhere else. He reasoned that each new population changed slightly, or evolved, to fit its unique environment on the island. 5.1 Natural Selection
12 Finches Darwin was impressed by the diversity of finches on the Galapagos. Darwin explained that if individuals from a species were separated, future generations might look and behave differently. The finches became different because they became suited to the different habitats on the islands. 5.1 Natural Selection
13 Species a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
14 Virtual Voyage!! At each of the 4 stations: Reader Reads the information about that place. And then reads each question Facilitator Makes sure to get the opinion of every person in the group Time keeper/reporter Keeps track of time and notifies their group. Also will report for the group when called upon. Recorder Responsible for recording the group information accurately and making sure everyone has the same information before moving on to the next question.
15 Sharing Circle. While waiting to go on the voyage, Each person will share his/her letter to Darwin: ROLES: Reader The person reading their letter will read it and explain if necessary then ask if there are any questions. Affirmer One person says I really liked the part where you. Time keeper Makes sure that each person only shares for 5 min. Questioner One person asks a deeper question about the letter. Facilitator Makes sure everyone participates in a discussion about each letter talking about Darwin, or his voyage.
16 Materials Needed Today Please take these materials out of your backpack. Pencil Chapter 5 Notes out Hot Sync Wednesday 12/10/14 Answer the following questions in complete sentences on a BLANK sheet of paper. If you saw a monkey with short dark green fur, long and strong claws/fingernails, and slender bodies, what type of environment would you think they live in? Give reasons.
17 Write this down! 5.1 Natural Selection Darwin s Theory of Natural Selection Organisms with traits that allowed them to survive under particular environmental conditions produced more offspring. Eventually those traits would be common in the species. Adaptation How can natural selection be modeled?
18 Selective Breeding Selective breeding is breeding plants and animals to get offspring with desired characteristics. This does not lead to a new species the organism can still breed with other members of its species. 5.1 Natural Selection Write this down!
19 Genetic Variation Sometimes changes occur in genes and a new trait is created. If the trait is beneficial, the organism may survive and pass the trait on to the next generation. Genetic variation is necessary for evolution to occur. 5.1 Natural Selection Write this down!
20 Population Growth and Struggle to Survive 5.1 Natural Selection Although resources are limited, animals often produce more offspring than could survive. Darwin decided this was a natural process that selected which organism survived, and called it natural selection. Adaptation refers to traits that increase the likelihood of surviving and reproducing in a particular environment.
21 Natural Selection Four steps or requirements of Darwin s theory of evolution by natural selection: Step 1: Overproduction Step 2: variation Step 3: Inherited variation Step 4: Natural selection 5.1 Natural Selection Write this down!
22 5.1 Natural Selection Natural Selection (cont.) Overproduction Inherited Variation Variation Natural Selection
23 5.1 Natural Selection 1. A 2. B 3. C 4. D What did Darwin observe about the tortoises and finches in the Galapagos? A their large size B their similarity to those on the mainland C their adaptations to their environments D their friendliness 0% 0% 0% 0% A B C D
24 5.1 Natural Selection 1. A 2. B 3. C 4. D What is necessary for micro evolution to occur? A selective breeding B genetic variation C populations isolated on islands D none of the above 0% 0% 0% 0% A B C D
25 5.1 Natural Selection 1. A 2. B 3. C 4. D What is not a main source of genetic variation? A differences in diet B sexual reproduction C mutations D gamete formation 0% 0% 0% 0% A B C D
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