Biology and Life Science for 9th grade

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Teacher: Tim
Customers Who Have Viewed This Course: 2117
$275.00
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Biochemistry

0 Course Overview 05:49

A brief overview of the materials and lessons that make up this course.

1 Lesson 1: Introduction 23:52

A brief introduction to the study of biology and life science.

2 Lesson 1: Introduction Review 05:43

Discussion of answers to the Introduction Review

3 Lesson 2: Macromolecules 24:26

Macromolecules are the chemical building blocks of cells.

4 Lesson 2: Macromolecules Review 05:40

Discussion of answers to the Macromolecules Review.

5 Lesson 3: Enzymes 09:58

Enzymes are a special kind of protein that act as molecular machines.

6 Lesson 3: Enzymes Review 06:30

Discussion of answers to the Enzymes Review.

Cell Biology

7 Lesson 4: Introduction to Cells 13:04

Cells are the basic building block of all living things.

8 Lesson 4: Introduction to Cells Review 05:06

Discussion of answers to the Introduction to Cells Review

9 Lesson 5: Cell Membrane 21:08

The cell membrane acts like the skin of the cell, controlling what can pass through.

10 Lesson 5: Cell Membrane Review 08:51

Discussion of answers to the Cell Membrane Review.

11 Lesson 6: Plant and Animal Cells 16:27

Plant and animal cells have unique features that help them to survive.

12 Lesson 6: Plant and Animal Cells Review 08:14

Discussion of answers to the Plant & Animal Cells Review.

13 Lesson 7: Plant Cell Energy 16:58

Plant cells use photosynthesis to turn sunlight into chemical energy and store it as sugar.

14 Lesson 7: Plant Cell Energy Review 10:32

Discussion of answers to the Plant Cell Energy Review.

15 Lesson 8: Animal Cell Energy 16:50

Animal cells release energy from food through the process of cellular respiration.

16 Lesson 8: Animal Cell Energy Review 09:16

Discussion of answers to the Animal Cell Energy Review.

Genetics

17 Lesson 9: The Cell Cycle and Mitosis 12:07

How do cells reproduce to make more cells? How is DNA copied so that new cells are identical to old cells?

18 Lesson 9: The Cell Cycle and Mitosis Review 08:55

Discussion of answers to the Mitosis and Cell Cycle Review.

19 Lesson 10: Meiosis 09:31

Meiosis is the process of forming the gametes that are used in sexual reproduction.

20 Lesson 10: Meiosis Review 07:31

Discussion of answers to the Meiosis Review.

21 Lesson 11: Mendel's Laws 18:12

Gregor Mendel, the father of genetics, developed the 3 basic laws of genetics.

22 Lesson 11: Mendel's Laws Review 19:46

Discussion of answers to the Mendel's Laws Review.

23 Lesson 12: RNA Messengers 08:00

DNA and RNA are nucleic acids that plays vital roles in controlling cells and making proteins.

24 Lesson 12: RNA Messengers Review 05:37

Discussion of answers to the RNA Messengers Review.

25 Lesson 13: Proteins 08:10

Proteins are chains of amino acids that do amazing things inside your body.

26 Lesson 13: Proteins Review 06:05

Discussion of answers to the Proteins Review.

27 Lesson 14: Genetic Mutations 08:35

Mutations are errors in the genetic code that change how DNA, RNA, and proteins work.

28 Lesson 14: Genetic Mutations Review 05:38

Discussion of answers to the Genetic Mutations Review.

Evolution

29 Lesson 15: Natural Selection and Diversity 14:23

Natural selection is the driving force of evolution, and leads to the incredible diversity of life.

30 Lesson 15: Natural Selection and Diversity Review 09:05

Discussion of answers to the Natural Selection & Diversity Review.

31 Lesson 16: Lethal Alleles 08:06

Some mutations cause DNA to produce the wrong proteins, leading to lethal consequences.

32 Lesson 16: Lethal Alleles Review 04:38

Discussion of answers to the Lethal Alleles Review.

33 Lesson 17: Genetic Drift 04:38

Sometimes genes will change due to random events in a population. We call this change genetic drift.

34 Lesson 17: Genetic Drift Review 04:14

Discussion of answers to the Genetic Drift Review.

35 Lesson 18: Isolation and Migration 11:22

Organisms move around the world and sometimes get separated from one another, leading to powerful evolutionary consequences.

36 Lesson 18: Isolation and Migration Review 07:05

Discussion of answers to the Isolation & Migration Review.

Ecology

37 Lesson 19: Population 10:15

In this section, we will study how a population, or group of the same species, works as unit.

38 Lesson 19: Population Review 08:16

Discussion of answers to the Population Review.

39 Lesson 20: Biodiversity 13:50

Biodiversity considers the variety of organisms, habitats, and genes present in the biosphere.

40 Lesson 20: Biodiversity Review 07:24

Discussion of answers to the Biodiversity Review.

41 Lesson 21: Ecosystem Cycles 08:24

Many substances, including water, carbon, nitrogen, and phosphorus are recycled in ecosystems.

42 Lesson 21: Ecosystem Cycles Review 06:44

Discussion of answers to the Ecosystem Cycles Review.

43 Lesson 22: Ecosystem Stability 08:21

Why are some ecosystems hardy while others are endangered? What makes one more stable than the other?

44 Lesson 22: Ecosystem Stability Review 07:14

Discussion of answers to the Ecosystem Stability Review.

45 Lesson 23: Energy Dissipation 11:06

All living things need energy, but how they get it varies greatly between organisms.

46 Lesson 23: Energy Dissipation Review 07:49

Discussion of answers to the Energy Dissipation Review.

Physiology

47 Lesson 24: Feedback Loops 14:16

Organisms depend on feedback loops to keep themselves balanced and to stay alive.

48 Lesson 24: Feedback Loops Review 09:35

Discussion of answers to the Feedback Loops Review.

49 Lesson 25: Functions of the Nervous System 15:35

The nervous system is the communication and control system of the body.

50 Lesson 25: Functions of the Nervous System Review 09:13

Discussion of answers to the Functions of the Nervous System.

51 Lesson 26: Neuron Roles 09:23

Neurons are the cells of the nervous system that communicate and control the body.

52 Lesson 26: Neuron Roles Review 06:02

Discussion of answers to the Neuron Roles Review.

53 Lesson 27: Nervous System Communication 13:52

How do neurons send signals through the body? In this lecture we investigate action potentials and how they transmit signals within neurons.

54 Lesson 27: Nervous System Communication Review 07:43

Discussion of answers to the Nervous System Communication Review.

55 Lesson 28: Nervous System Communication Part 2 10:04

Continuing our study of communication in the nervous system, focusing on synapses.

56 Lesson 28: Nervous System Communication Part 2 Review 04:06

Discussion of answers to the Nervous System Communication Part 2 Review.

57 Lesson 29: Endocrine System 09:53

The endocrine system consists of glands that produce powerful hormones to control the body's functions.

58 Lesson 29: Endocrine System Review 05:14

Discussion of answers to the Endocrine System Review.

59 Lesson 30: Endocrine System Part 2 14:29

Continuing our study of glands and hormones with the thyroid gland, parathyroid gland, pancreas, adrenal glands, and gonads.

60 Lesson 30: Endocrine System Part 2 Review 07:46

Discussion of answers to the Endocrine System Part 2 Review.

61 Final Exam 00:00

Complete this final exam to demonstrate your understanding of biology and life science.

Course Description

Biology and Life Science for 9th grade teaches students the essential themes of biology needed to understand how living organisms work and to understand our place in the natural world. Students will study how organisms work as living systems and interact with their surroundings. There are 30 different video lessons in this course which include almost 10 hours of video content. These 30 lessons in this course are broken down into six major units:

  1. Biochemistry
  2. Cell biology
  3. Genetics
  4. Evolution
  5. Ecology
  6. Physiology

This course includes:

  • 6 units
  • 30 video lessons
  • 30 review worksheets
  • 30 review videos (I review each answer step by step)
  • Over 200 practice questions
  • 30 online quizzes
  • 30 answer keys for the online quizzes
  • 1 final exam
  • 1 final exam answer key
  • 7 additional review activities and labs
  • Almost 10 hours of videos

Course Goals

Upon completing this course, students will have a firm understanding of the major themes in biology. They will be able to use this knowledge to understand the natural world surrounding us and our place in it. Students will also be prepared to pursue further studies in biology, chemistry, and geology related to these themes.

Target Audience

Biology is one of the major natural sciences, and as such is a part of almost every high school curriculum. As such, this video course is intended for all high school students, particularly those in 9th grade. Students enrolling in this course should have studied basic life science and physical science in grades 5 through 8.

Course Requirements

Students enrolling in this course will need to have studied life and physical science in grades 5 through 8. They will need a computer or mobile device with an internet connection, speakers or headphones, and paper and pencils to write down notes and answer review questions. Students with access to a printer may choose to print out worksheets, labs, and review sheets.  Some common household materials will be necessary to complete the lab investigations.

COURSE TOPICS

Unit 1: Biochemistry

Lessons

  • Introduction
  • Macromolecules
  • Enzymes

Unit 2: Cell Biology

Lessons

  • Introduction to Cells
  • Cell Membrane
  • Plant and Animal Cells
  • Plant Cell Energy
  • Animal Cell Energy

Unit 3: Genetics

Lessons

  • Cell Cycle and Mitosis
  • Meiosis
  • Mendel’s Laws
  • RNA Messengers
  • Proteins
  • Genetic Mutations

Unit 4: Evolution

Lessons

  • Natural Selection and Diversity
  • Lethal Alleles
  • Genetic Drift
  • Isolation and Migration

Unit 5: Ecology

Lessons

  • Population
  • Biodiversity
  • Ecosystem Cycles
  • Ecosystem Stability
  • Energy Dissipation

Unit 6: Physiology

Lessons

  • Feedback Loops
  • Functions of the Nervous System
  • Neuron Roles
  • Nervous System Communication Part 1 – Action Potentials
  • Nervous System Communication Part 2 – Synapses
  • Endocrine System Part 1
  • Endocrine System Part 2
  • Teacher: Tim
  • Areas of expertise: Biology, Anatomy, and Physiology
  • Education: MAT in Science Education from the University of Pittsburgh BS in Biological Sciences from the University of Pittsburgh
  • Interests: Science, biology, anatomy & physiology, technology, baseball, softball, writing, and travel
  • Skills: Fixing things and speaking Spanish
  • Associations: Member of NEA and PSEA. State licensed teacher.
  • Issues I care about: Conservation, human rights, and educational equity.

I have been teaching Biology for fourteen years in Pittsburgh, PA. I have taught Anatomy & Physiology and Comparative Life Science for the past ten years. When I'm not teaching, I am an assistant coach on my daughter's softball and my son's baseball teams.

Test Preparation Document

Digital Quizzes and Tests Answer Keys Document

Unit 1: Biochemistry Answer Keys

Answer keys to all of the biochemistry lesson reviews and quizzes.

Unit 2: Cell Biology Answer Keys

Answer keys to all of the cell biology lesson reviews and quizzes.

Unit 3: Genetics Answer Keys

Answer keys to all of the genetics lesson reviews and quizzes.

Unit 4: Evolution Answer Keys

Answer keys to all of the evolution lesson reviews.

Unit 5: Ecology Answer Keys

Answer keys to all of the ecology lesson reviews and quizzes.

Unit 6: Physiology Answer Keys

Answer keys to all of the physiology lesson reviews and quizzes.

Final Exam Answer Key

Answer key for the final exam questions.
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