AP Biology Discussion Notes

Tuesday 10/21/2014

Goals for the Day

1. Be able to be good AP level readers.

2. Be able to understand and describe why leaves change color.

3. Be able to define and describe important terms and concepts relating to energy and metabolism

Question of the Day 10/211. Correct the following statement to be more

accurate and explain your correction:

“Producers, such as plants, create energy that supports the rest of the food chain.”

Question of the Day 10/21“Producers, such as plants, create energy that supports the rest of the food chain.”

1st Law of Thermodynamics

• Energy can be transferred and transformed, but it cannot be created or destroyed. – AKA: Principle of conservation of energy

– Energy is not created or destroyed only converted to different forms.

Figure 8.1

2nd Law of Thermodynamics

• Every energy transfer or transformation increases the entropy of the universe

• With every energy transfer or transformation some USEABLE energy is lost

Reading Assignment1. Read pages 184-192 (just finish paragraph at

the top of the page) in the text book and take notes.

2. When finished with your notes trade them for our project rubric.

Poster Assignment

• Your group (of 3 or LESS) will research pigments in the leaves of eukaryotic plants and make a poster explaining the change in leaf color during the fall.

Quiz(zes)

Species of the day 10/21

Species of the day 10/21• Great Blue Heron –

Ardea herodias

• Will 100% of the chemical energy in this fish be turned into usable energy for this Heron? EXPLAIN how you know this!