bird adaptation artistry evolution
TRANSCRIPT
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• Archaeopteryx: jaws with sharp teeth, three
fingers with claws, a long bony tail, hyperextensible second toes ("killing claw"), & feathers.[4]
• Activator (“Quick Talk”): If you could create any kind of bird you wanted to live in our deciduous forest, what
type of adaptations would you give it? Discuss with a friend 2 minutes!
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Evolution
S7L5. Students will examine the evolution of living organisms through inherited characteristics that promote survival of organisms and the survival of successive generations of their offspring.
a. Explain that physical characteristics of organisms have changed over successive generations (e.g. Darwin’s finches and peppered moths of Manchester).
What’s the Standard?
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• E.Q.- How does the environment influence the evolution of species adaptations on earth?
• Standard S7L5- Examine evolution of living organisms.
• Work Session: • *Review Natural selection and adaptations from
yesterday (ppt presentation)• *Bird Adaptation Artistry Project in media
center• *Closing- “Justify Your Position”: Write a
paragraph explaining why your bird will thrive in the biome you chose and illustrate it.
• Hw.- How fossils are made reading assignment
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Bird Adaptations
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Bird Adaptation Artistry
* How are birds physically adapted to their environment? They have different structures that help them survive. Some birds have differently shaped beaks to eat specific types of foods, while others have longer legs to stand in deep water while feeding. There are many different types of adaptations, like size, wing span, foot type, and feather shape. In this activity, you will create a model of a bird that is physically adapted to live in a specific habitat.
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Let’s Discuss…• How does this activity demonstrate the
importance of adaptations?• Why did your birds have such different
habitats and characteristics?• Name 2 adaptations and explain how
they promote survival for your bird.
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Choose one of the habitats below: (Enchantedlearning.com)
• Dry, sandy desert; very little water or plant life• Cold, mountainous area; very high elevation• Antarctic region; snow and ice cover the
ground all year• Tropical rain forest; full of colorful plant life
**Create a bird that is physically adapted to survive in your chosen habitat!! Be creative!
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• BEAKS:–1- pouch-like (pelican)–2- long, thin (crane)–3- pointed (like a woodpecker)–4- curved (hawk)–5- short and stout (like a finch)–6- long and slender (hummingbird)
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• FEET–1- Webbed (duck)–2- long toes (crane)–3- clawed (hawk/eagle)–4- grasping (chicken)
WINGS1- large (like an eagle)2- medium3- small
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• LEGS-– 1- flexor tendons (chicken)– 2- long, powerful (ostrich)– 3- long, slender (crane)– 4- powerful muscles (hawk, eagle)
• Coloration:–1- bright plumage (males)–2- dull (female)–3- changes plumage with seasons
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Explicit Vocabulary p. 3 Adaptations
What is an Adaptation? An adaptation is a trait that helps an organism adjust to its environment, survive and reproduce.
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Natural SelectionNatural Selection
What is Natural Selection? Natural selection is the process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
Survival of the fittest! Who's Going to Survive?
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Overproduction
Most species produce far more offspring than can possibly survive.
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Competition
Competition is the struggle between organisms for the limited resources in a habitat.
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Variation
Variation is any difference between individuals of the same species.
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Natural SelectionNatural SelectionWhat is their adaptations?What is their adaptations?
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Natural Selection: Examples
Are these two butterflies the same species?These are the Monarch and Viceroy butterflies.
The Monarch on the left is poisonous and the Viceroy is not.
Question: Why would it be beneficial for the Viceroy to look like the Monarch?
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Natural Selection: Examples
Checkpoint: How are these organisms adapted to live in a cold climate? A species of hare (rabbit) that is found in a cold tundra environment. How are oversized feet an advantage to the Arctic Hare?
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Natural Selection: Examples
How many moths do you see?How many moths do you see?
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Earlier ideas on Evolution• LaMarck– evolution by acquired traits
• creatures developed traits during their lifetime
• give those traits to their offspring
– example• in reaching higher
leaves giraffes stretch their necks & give the acquired longer neck to offspring
– not accepted as valid
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Darwin’s view of Evolution• Darwin– giraffes that already
have long necks survive better
– leave more offspring who inherit their long necks• variation• selection & survival• reproduction &
inheritance of more fit traits
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• E.Q.- How does the environment influence the evolution of species adaptations on earth?
• Standard S7L5- Examine evolution of living organisms.
• Work Session: • *Review Natural selection and adaptations from
yesterday (ppt presentation)• *Bird Adaptation Artistry Project in media
center• *Closing- “Justify Your Position”: Write a
paragraph explaining why your bird will thrive in the biome you chose and illustrate it.
• Hw.- How fossils are made reading assignment