DO NOW Date: 3/25 Q: How can internal and external structures help an organism to survive? What observations can you make about the picture below?

ESSENTIAL QUESTION: How can internal and external structures help an organism to survive? OBJECTIVES: -Review the terms internal and external structures. -Brainstorm structures that help organisms adapt to their enviornment

Adaptations TedEd- Underwater Astonishments

Jan. 17 th 2012 Game: Can you See Me Mr. Martell 506

Jan. 17 th 2012 Game: Can you See Me Mr. Martell 506

Jan. 17 th 2012 Game: Can you See Me Mr. Martell 506

Jan. 17 th 2012 Game: Can you See Me Mr. Martell 506

Jan. 17 th 2012 Game: Can you See Me Mr. Martell 506

Glossary WordDefinitionPicture AdaptationsA trait or characteristic that helps an organism survive. Internal Structures Traits or characteristics that are inside an organism. External Structures Traits or characteristics that are on the outside of an organism.

DO NOW Date: 3/26 Q: What traits or characteristics provide an adaptive advantage for survival in some animals? What is the difference between internal and external structures?

ESSENTIAL QUESTION: What traits or characteristics provide an adaptive advantage for survival in some animals? OBJECTIVES: -Explore internal and external structures and how they provide an adaptive advantage for some animals.

Glossary: Robber Fly Hawk Moth Caterpillar WordDefinitionPicture MimicryAn adaptation, where an organism resembles (looks like) another

Glossary: WordDefinitionPicture CamouflageAn adaptation that allows an organism to blend into its environment

Adaptations and Survival What Bees See

Adaptations and Survival Picture of the Adaptation Organism Describe the organism’s Environment Describe the Adaptation (structure/behavior) Is this structure INTERNAL or EXTERNAL? How does this adaptation enhance survival of the organism? FLOWER Flowers grow in fields and areas that are open. There is usually good rainfall in these areas. Bright Coloration (Structural) -Flowers have bright coloration that attracts bees. This is an external feature. The coloration of flowers attracts bees and sends signals to bees that there is pollen present. The bees are attracted to the flower and collect the pollen. When they land on other plants they pollinate those plants allowing the plant to reproduce.

EXPLAIN: Share Out Take your notebook with you First: With your new partner, discuss what you learned about the first and second animals Second: With your second partner, discuss what you learned about animals three and four

DO NOW Date: 3/27 3/28 Q: How can traits change in a population over time? What is an adaptation? What is an advatage?

ESSENTIAL QUESTION: How can traits change in a population over time? OBJECTIVES: -Explore how traits (or genes) are passed down from generation to generation and how that impacts the survival of a species.

Peppered Moth Read the selection at your table to yourself Turn to your shoulder partner and discuss what you think happened. Be prepared to share.

Changes over time: Adaptation: a heritable structure or behavior that helps an organism to better survive and/or reproduce. DNA/GENESDNA/GENES Heritable

Changes Over Time

Investigation: Camouflage Pg Investigation: Camouflage Generation Color Red3 Org.3 Yel.3 Grn.3 Setup your Composition Book exactly as shown Pg Data EXPLAIN YOUR PROCEDURE:

Investigation: Procedures PopulationGen 0 Red3 Org3 Yel3 Grn3 PopulationGen. 0Gen. 1 Red3 Org3 Yel3 Grn Start Hunt Reproduce

Investigation: Procedures 1.Place 3 goldfish of each color on the plate; yellow side up 2.Stand with your backs facing the plate 3.Turn quickly and pick up only one goldfish; place it in your cup 4.For each goldfish on the plate, add one more of the same color 5.Record your population data 6.Repeat steps until you have data for generation 4.

Investigation: Procedures 1.Gently slide all the goldfish off the plate onto the tray 2.Flip the paper disc 3.Place your goldfish population back onto the plate Environmental Change

Investigation: Procedures 1.Place 3 goldfish of each color on the plate; yellow side up 2.Stand with your backs facing the plate 3.Turn quickly and pick up only one goldfish; place it in your cup 4.For each goldfish on the plate, add one more of the same color 5.Record your population data 6.Repeat steps until you have data for generations 5 to 8

Investigation: Graphing

1.Label your X and Y axis 2.Create a line graph for each color goldfish 3.Fill in graph key 4.Title your graph 0 Generation # of Goldfish

Investigation: Conclusion 1.The population of goldfish showed variation for which trait? 2.Summarize what happen during the investigation: How did population change over time? Did a certain color(s) become more common? Why? How did changing the environment affect the population? Pg Answer with complete sentences on pg of composition book.

Natural Selection

Natural Selection- A process in nature that occurs if an organism is better adapted to survive than another. Glossary: