Friday, November 30, 2012

Blackworm Lab Set Up

Click through the presentation below to preview the Blackworm Lab.

Thursday, November 29, 2012

Do Good!

Quiz Reminder

Tomorrow you have a short quiz on objectives N.1, N.2, N.3.

Wednesday, November 28, 2012

PowerPoint for the Nervous System

Today in class we used slides 3-6 from Mr. Taylor's i-Biology PowerPoint on Nerves, Hormones and Homeostasis.

Tuesday, November 27, 2012

Homework for Wednesday

Please watch the Crash Course Video Below.

Watch it once WITHOUT taking notes and watch only until 7:30 

Then, write down the key concepts you remember.  STICK TO THE BIG THEMES (central vs. peripheral nervous system, what is a reflex loop?, sympathetic vs parasympathetic, the anatomy of a neuron) 

Watch it a second time and as you watch write down details that support the big theme you wrote down after watching it the first time.

This should take you no more than 45 minutes.  This is an introduction, not the 'end all, be all' (what does that phrase even mean?)

The BIG ideas for the Nervous System

Below are our objectives for the next two weeks.  You will get a copy of these objectives tomorrow in class.  The blank at the start of the objective is for you to write down the date(s) what you learned this material.  The blank at the end of the objective is for you to give yourself a score on how well you understand the material.

____N.1 State that the nervous system consists of the central nervous system (CNS) and peripheral nerves, and is composed of cells called neurons that can carry rapid electrical impulses. ___
___N.2 Draw and label a diagram of the structure of a motor neuron. Include dendrites, cell body with nucleus, axon, myelin sheath, nodes of Ranvier and motor end plates. ______
___N.3 Explain the levels of organization in the peripheral nervous system. ______
___N.4 State that nerve impulses are conducted from receptors to the CNS by sensory neurons, within the CNS by relay neurons, and from the CNS to effectors by motor neurons. ______
___N.5 Define resting potential and action potential (depolarization and repolarization). ______
___N.6 Explain how a nerve impulse passes along a non-myelinated neuron. ______
___N.7 Explain how the movement of Na+ and K+ ions to create a resting potential and an action potential.  ___
___N.8 Explain the principles of synaptic transmission. Include the release, diffusion and binding of the neurotransmitter, initiation of an action potential in the post-synaptic membrane, and subsequent removal of the neurotransmitter. ______
___N.9 Compare Parkinson’s Disease and multiple sclerosis with respect to the ways in which neurons are effected ______
___N.10 Identify factors which can lead to changes in communication between neurons.____
___N.11 Describe the major structures and functions of the vertebrate brain. ______
___N.12  Summarize the diversity of nervous systems in living things. _____

Always be thinking about how what you are learning relates to the themes of the course

Welcome Back!

Today we briefly discussed what you would like to learn about regarding the nervous system.  You also took a pre-test on DNA structure, replication, transcription and translation.

Tuesday, November 13, 2012

Practice Test Questions from Class

pExplain why birds excrete uric acid, humans excrete urea and many marine animals excrete ammonia.
pDefine the two types of feedback systems and give an example of each one.
pDo larger or smaller organisms consume more total oxygen, and why? Which consumes more oxygen per gram of body mass and why?
pWhat are the evolutionary advantages and disadvantages of poikilotherms and homeotherms?
pDescribe how freshwater fish and saltwater fish differ in homeostasis.

Above are some of the questions C period came up with today while working with Bloom's taxonomy to review for tomorrow's test.

Monday, November 12, 2012

Suspended Animation is Within Our Grasp

We have been learning about homeostasis, focusing on thermoregulation, osmoregulation and an organism's overall energy needs.

Mark Roth's talk "Suspended Animation is Within Our Grasp" ties together all of the things we have been learning about in class.

Crayfish Prelab

You have been emailed the crayfish prelab.  Below is a PowerPoint with what you will see when you walk into lab as well as some background on crayfish.

UPDATE: You do not need to answer question six on the prelab.

Thursday, November 8, 2012

Epic Kidney Animation and Homework for Wednesday

Yesterday you worked in groups to review what you saw in the video last night.  After putting all of your ideas on the board, you toured the other groups work, asking questions and adding comments.

We reviewed some of the major concepts in the crash course video as well as learned about ADH (anti-diuretic hormone).    Click the picture below to link to the animation.

D period - Because of Hill weekend, we do not have class on Saturday.  Your homework for Monday is to read Module 144. You have been emailed your pre-lab for the crayfish lab.  The prelab is due on Tuesday at the start of lab.

C period - read Module 144 for class on Friday.  You have been emailed your pre-lab for the crayfish lab.  The prelab is due on Monday at the start of lab.

Tuesday, November 6, 2012

Osmoregulation and The Kidney

Today you had a reading quiz on osmoregulation and we started to look at how waste is expelled though the body.

Tonight watch the Crash Course video below.  Watch it once and ONLY watch.  Don't write anything down as you watch.  When the video is finished, take five minutes and write down what you remember.  Then watch the video a second time.  Again ONLY watch. At the end of the video, write down what you remember the second time.  Did you remember something new?  Are you building on what you wrote down the first time?

And in honor of election day, check out "Behind the Curtain Project" that documents atypical polling locations.

click the picture to get to the site.

Monday, November 5, 2012

Welcome Back to Homeostasis

Before Hurricane Sandy, we started to learn about homeostasis and the importance of maintaining balance in an organism's body.  Today we reviewed Module 128: Temperature (Thermoregulation) and you worked on a case study on Hibernation (C period, D period will have the case study tomorrow).

Tonight please read Module 157, focus the differences between osmoconformers and osmoregulators.  Take notes, you will have a 15 minute reading quiz on Tuesday.  Any notes you take, you can use.  

Please be sure to refer to the updates on the Honors Biology Daily Plan google doc to see how we are finishing up the term.