2/24/16 Date:2/24/16Topic:Human EvolutionPage # ___ How have humans changed over time? Name at least 3 traits that have evolved.

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Presentation transcript:

2/24/16 Date:2/24/16Topic:Human EvolutionPage # ___ How have humans changed over time? Name at least 3 traits that have evolved.

Today in Room 326/311… ADMIT SLIP: Name 3 human traits that have evolved HW: Brainstorm possible environmental pressures that drove the evolution of specific traits CONTENT OBJ: SW identify evidence for evolution and explain how the changing environments provide selective pressures LANG. OBJ: SW read handout, discuss in groups, listen to video, write notes ANNOUNCEMENTS: Only one person came after school  AGENDA: Discuss: how have human traits evolved? (10 min) New vocab: Adaptations (5 min) Lucy Handout (10 min) Becoming Human video (35 min) Video Review (10 min) Review Biomolecules Quiz (10 min) Date:2/23/16Topic:Human EvolutionPage # ___

Homework Share-Out Which traits have evolved over time? Bigger heads (bigger brains) Bipedalism (walking on two feet) Use of tools (opposable thumbs)

Adaptation* A trait that allows an organism to better survive in a particular environment Example: bipedalism (walking on two legs) -Allowed humans to see predators/prey, and use less energy to travel

Adaptation Quick Game In your table groupings, name as many adaptations as you can for animals that are around today Ex. Turtles have a shell for protection from predators

Human Evolution We now look like this: But we used to look like this… How did we start out, and why did we change?

Benchmark Discovery: Lucy In your journals, use the handout to write some key notes about Lucy

Becoming Human w w Questions to write down & get notes: 1) What evidence do we have that humans evolved over time? 2) Why were humans evolving? What was driving the evolutionary change?

Video Review 1) What evidence do we have that humans evolved over time? 2) Why were humans evolving? What was driving the evolutionary change?

Key point of evolution* Changes in environment drive evolution through the process of natural selection (The faster the environment changes, the quicker evolution will happen)

Identifying Environmental Pressures Looking at the timeline, identify 3 changes that occurred from one species to the next (you can choose any species) Brainstorm why those traits were advantageous, allowing those individuals to survive What environmental pressures were driving the evolution of those traits?

Quiz Review We will go over the test- you should hold on to this for your notes, even if you did poorly!