Warm-Up 3/27 Write question & Answer! How does the illustration represent the term evolution?

Summary In a population of codfish, a scientist notes that some fish have larger fins than others. The differences among the traits of organisms in a population are known as a. variation b. evolution c. extinction d. speciation

a. Breeders cross organisms with desirable traits. Warm-Up 3/24 Write the questions and answer! Modern giraffes developed their traits through natural selection. According to Darrwin, what occurs during the process of natural selection? a. Breeders cross organisms with desirable traits. b. Organisms choose mates form other species. c. Only the “fittest” organisms survive and reproduce. d. Organisms remain exactly the same over many generations.

Warm-Up 3/27 Write the questions and answer! 1. What is the difference between an adaptation and to adapt? 2. Given an example of each by using each term in a sentence.

Write the questions and answer! Warm-Up 3/30 Darwin observed 13 species of finches on the Galapagos Islands. What did Darwin conclude about finches? a. They all came from different continents. b. They evolved from 13 types of birds. c. They all came from a common ancestor. d. They developed from other types of organisms.

7A Warm-Up 3/28/11 EQ: How have species on earth evolved due to natural selection? What evidence supports this theory? One theory suggests that giant wooly mammoths became extinct when the climate became warmer. Why might this change in the environment have led to their extinction? 2. Why did the population of peppered moths in England change from light to dark after the industrial revolution? a. Light moths were killed by soot. b. Dark moths were produced by industrial processes. c. Light moths were more obvious against the soot stained trees.

EQ: How does the fossil record support evolution? 7A Warm-Up 3/30/11 EQ: How does the fossil record support evolution? Based on the branching diagram, which bird does not perch but can fly? What does the fossil record reveal? a. Only dinosaurs formed fossils. b. Species evolved over time. c. Few organisms are extinct.

Draw diagram and write out correct answer! Warm-Up 4/13 Draw diagram and write out correct answer! Species 1 Species 2 Species 3 Species 4 Species 5 D C B A (oldest organism) Scientists often use data from the fossil record to construct cladograms that show the evolutionary relationships among species. The letters at the branching points represent a common ancestor of two species. Based on the cladogram, which of the following statements is true? a. Species 2,3, and 4 are all related to D. b. Species 5 is a descendent of ancestor B. c. Ancestor c is a descendent of ancestor D. d. Species 2 and 4 share a common ancestor.

Warm-Up 3/30 Write question & Answer! What can the location of a fossil in a rock layer tell scientists about the organism? a. how long ago the organism lived b. that the organism is now extinct c. how many offspring the organism had d. the exact age of the fossil 2. Which layer contains the oldest fossils? A B C

Warm-Up 3/25 EQ: How do species change over time? Write the questions and answer! 1. What is evolution? 2, What are three different types of evidence that support the notion that evolution exists?

Explain what is happening to the beetles in the illustration. Warm-Up 3/23 EQ: How do species change over time? Write the questions and answer! Explain what is happening to the beetles in the illustration.

Here is the PBL process 1. Problem presented 2. Analysis of problem (givens) 3. List prior knowledge 4. List what is needed (essential questions) 5. Create solution format 6. Create an action plan (calendar) 7. Carry out plan 8. Present Solution

b. asexual reproduction c. overpopulation d. adaptations Warm-Up 3/26 Write the questions and answer! Some kinds of Staphylococcus bacteria have become resistant to antibiotics. According to the theory of natural selection, what is their resistance an example of? a. selective breeding b. asexual reproduction c. overpopulation d. adaptations

Natural Selection of the Origami Bird Collect Data Analyze Data Conclusion: Claim only

Warm-Up 3/20 Write question & Answer! What can the location of a fossil in a rock layer tell scientists about the organism? a. how long ago the organism lived b. that the organism is now extinct c. how many offspring the organism had d. the exact age of the fossil 2. Which layer contains the oldest fossils? A B C

Warm-Up 3/21 Write question & Answer! EQ: How does the fossil record support evolution? Based on the branching diagram, which bird does not perch but can fly? What does the fossil record reveal? a. Only dinosaurs formed fossils. b. Species evolved over time. c. Few organisms are extinct.

EQ: What is a cladogram? Answer Only! 7A Warm-Up 3/22 EQ: What is a cladogram? Answer Only! Species 1 Species 2 Species 3 Species 4 Species 5 D C B A Scientists often use data from the fossil record to construct cladograms that show the evolutionary relationships among species. The letters at the branching points represent a common ancestor of two species. Based on the cladogram, which of the following statements is true? a. Species 2,3, and 4 are all related to D. b. Species 5 is a descendent of ancestor B. c. Ancestor C is a descendent of ancestor D. d. Species 2 and 4 share C as a common ancestor.

Clear ALL items off of your desk, except a pencil.

Life Science…Ch. 9, pgs. 222 – 233 Read with a Purpose! Why are organisms classified? What are the 8 levels of classification? How do you write a scientific name? What is a dichotomous key? How does a dichotomous key help scientists identify organisms? Create chart which characterizes the 3 Domians and 4 Kingdoms.

Warm-Up: 4/1 ! 1. The two diagrams below show the limbs of two modern vertebrates that have descended from a common ancestor. The difference in the structure of the limbs represents an adaptation formed over time in response to their: gender habitat blood type trophic level 2. What are the different KINGDOMS for classifying organisms?

Warm-Up: 4/2 WRITE Question and Answer 1. Animalia, Fungi, Protista, and Plantae are the A. scientific names of different organism B. names of kingdoms of organisms C. levels of classification D. names of scientists 2. If a characteristic such as dark color improves the moths ability to survive and reproduce in a particular environment, then the dark color is considered to be a(n)  A. phentype. B. adaptation. C. dominant allele. D. mutation.