Wednesday, April 30, 2014

Biology Unit 4 Day 6

Do Now
Objective: Students will describe the process of osmosis and the cause/effect of semipermeable membranes by completing a lab TST and using the words osmosis, homeostasis, concentration, channel proteins, semipermeable membrane. 


Questions: (REVIEW!!)
1) A semipermeable membrane has a 2 percent salt solution on one side and a 15 percent salt solution on the other side. What will most likely occur? (4.2.4 p 4-5)
2) What is the difference between multicellular and unicellular organisms? (4.3.1 p 3-4)
3) What are xylem and phloem tissues used for in plants? (4.3.1 p 10)

Exit Ticket: Complete the self-evaluation at the bottom of your unit tracker. This should be a perfect 3 sentence paragraph.