The Biology Classroom

Mr. Pletsch

Author: shaun pletsch

Unit 2-1: Evidence for Evolution

Artificial selection happens when people select individuals to mate that have features they hope the offspring will inherit. This is…

Tupper Science Fair – Information, Assignments, and Timeline

New Note: Are you working with people? Even just a survey? You have to complete an ethics form before you…

Unit 1-2: Cladistics

Phylogeny – The history of the evolution of a species or group. Cladistics – A method of classifying organisms into…

Unit 1-1: Principals of Taxonomy

Taxonomy – The science of naming, identifying, and classifying organisms. It is the universal system which describes and groups living…

Summer School – Quick Resources

This post will be continuously updated throughout the course. I will link answer keys, test reviews, notes, review answer keys…

Urinary System Part 3: Regulation of Urine Formation

Requirements of the body and conditions under which the body works is not constant. Therefore, the functioning of the urinary…

Urinary System Part 2: Urine Formation

Please take notes on urine formation as homework (May 14th). You will be allowed to use these notes and the…

Nervous System Review

Review and Practice for May 14th test: “Impulse: Designing a step-by-step diagram (This should take the place of written questions…

Nervous System Part 3: Peripheral Nervous System/Endocrine Control

Review from last class: Regulation of Synaptic Transmission: The body will react to biochemical pathways (i.e. acetylcholine/dopamine) being consistently stimulated…

The Nervous System Part 3 – Impulse Transmission

Our neurons use chemical energy to create a form of electricity. Just like current electricity the impulses travel along nerves…

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