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Life Science for 7th Grade

Life Science for 7th Grade

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Quick Overview

This Life Science course invites students to investigate the world of living things by reading, observing, and experimenting with aspects of life on earth. Students explore an amazing variety of organisms, the complex workings of the cell, the relationship between living things and their environments, and discoveries in the world of modern genetics. Practical, hands-on lesson activities help students discover how scientists investigate the living world.

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Details

Course Overview

This Life Science course invites students to investigate the world of living things--at levels both large and small--by reading, observing, and experimenting with aspects of life on earth. Students explore an amazing variety of organisms, the complex workings of the cell, the relationship between living things and their environments, and discoveries in the world of modern genetics. Practical, hands-on lesson activities help students discover how scientists investigate the living world. Students perform laboratory activities and a full unit investigation to learn about the application of scientific methods.

Students will study a variety of topics in biology, including:

  • The chemical building blocks of life
  • Fundamentals of ecology and life's environments
  • The biology of organisms from bacteria to mammals
  • The life processes of plants
  • The variety of cell structure and how cells perform the tasks necessary for life
  • Fundamentals of genetics

Course Outline

Organisms

From giant redwoods to tiny algae, and from lumbering elephants to "no-see-em" gnats, the diversity of life on earth delights, startles, and amazes. But all living things share some common characteristics. What are the characteristics of life? What is the chemical basis for life? What molecules support life? In this course you'll explore these questions and more.

  • Introduction to Life Science
  • Diversity of Life
  • Challenges of Life
  • Characteristics of Life
  • Classification of Living Things
  • Domains of Life
  • Chemistry of Life
  • Single-Celled Organisms
  • Multicellular Organisms

Cells

They're everywhere, and they control our lives. What are they? Alien invaders? No. They are cells. They are inside us and all around us, in every living thing on earth. They are constantly growing, reproducing, communicating, and using energy. They sense, respond, and adapt to their environment. You've probably never thought much about cells, but there's much to discover about their intriguing lives.

  • The Cell
  • Differing Cells
  • Cell Organelles
  • Looking at Cells
  • DNA Makes RNA Makes Proteins
  • Plant and Animal Cells
  • Cells and Energy
  • Diffusion and Osmosis
  • Cell Division
  • Mitosis

Living Systems

Organisms must meet many challenges to survive. The systems in multicellular organisms are like the different parts of a computer. Just as all the parts of a computer must function individually so that the computer will work, all the systems in an organism work together in a coordinated manner to keep the organism alive. What are these systems? How are they related? This unit will explore living systems and how they function.

  • From Cells to Organs
  • Muscular and Skeletal Systems
  • Respiratory System
  • Circulatory System
  • Digestive and Excretory Systems
  • Immune System
  • How Systems Work Together
  • Comparison within Species
  • Continuation of Species
  • Cells for Reproduction
  • Life Cycles

Interdependence of Life

Look at everything in an aquarium. How do you think each of the organisms in the aquarium survives? If you were to draw a diagram of the interactions that take place in an aquarium, you would see a complex series of relationships. In the living world, no organism can survive by itself. Living things depend on other organisms and their environment to supply them with their needs.

  • Organisms and Their Needs
  • Staying Balanced
  • Responses
  • Ecosystems
  • Populations
  • Cycles in Nature
  • Energy Flow in Ecosystems
  • Food Chains
  • Food Webs
  • Competitive Relationships
  • Cooperative Relationships

Adaptation and Change

Every organism lives in a particular type of environment. In this unit, we will explore how populations change over time to survive in their environments, and what happens when the environment changes.

  • Change Over Time
  • Structural Adaptations
  • Behavioral Adaptations
  • Extinct or Endangered?
  • Changes in Ecosystems
  • Rates of Environmental Change
  • Population Changes
  • The Human Factor

Genetics

Individuals that reproduce sexually have many characteristics that make them different from each other. In this unit, you will learn about the mechanisms responsible for these differences.

  • Mendel's Pea Plants
  • Genes and Alleles
  • Inheritance
  • Punnett Squares
  • Similarities Among Organisms
  • Chromosomes
  • Meiosis
  • Meiosis and Mitosis
  • Mutations
  • Genetic Engineering

History of Life on Earth

Galaxies teeming with stars. Mysterious black holes. Exploding supernovas. The far reaches of the universe are filled with wonders. Right here on our own planet, however, is perhaps the greatest wonder of all: life. Scientists currently know of no other place in the universe where life exists. This unit explores scientists, ideas about how life originated on earth and how it has changed over its long history.

  • Origin of Life on Earth
  • The Theory of Evolution
  • Natural Selection
  • Origin of New Species
  • Development of Life

Science Investigation

  • Scientific Methods
  • Design and Set Up Your Experiment
  • Data Collection
  • Data Analysis
  • Reporting Conclusions

Additional Information

Course Length 12 Months
Prerequisites N/A
Course Materials No
Course Start Date

Independent Study Courses

Courses can be started any day for independent study courses without a teacher. Full-year courses last 12 months and semester courses last 6 months.

 

Courses Taught by a K12 Teacher

Courses with a teacher have designated start dates throughout Fall and Spring. Full-year courses last 10 months and semester courses last 5 months. Courses are taught by teachers in K12 International Academy. For details on start dates, click here.

Teacher Assisted This course is available in two forms: taught by a teacher or designed for independent use. This teacher-supported course is taught through K12 International Academy. It is also available as independent study, where a parent will guide the course.
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To use this course, you'll need a computer with an Internet connection.  Some courses require additional free software programs, which you can download from the Internet.

Hardware and Browsers (Minimum Recommendations)

Windows OS

  • CPU: 1.8 GHz or faster processor (or equivalent)

  • RAM: 1GB of RAM

  • Browser: Microsoft Internet Explorer 9.0 or higher, Mozilla Firefox 10.0 versions or higher, Chrome 17.0 or higher

  • At this time our users are encouraged not to upgrade to Windows 10 or Edge (the new browser)

 

Mac OS

  • CPU: PowerPC G4 1 GHz or faster processor; Intel Core Duo 1.83 GHz or faster processor

  • RAM: 1GB of RAM

  • Browser: Firefox 10.0 versions or higher, Chrome 17.0 or higher (Safari is not supported!)

Using  Mobile Devices with the Online School

Unfortunately, many portable devices do not support the software products required to run the Online School. These devices may include (but not limited to): Chromebooks, iPads, iPhones, iPods, Kindles, eReaders, and Andriod phones.

Internet Connections

It is highly recommended that a broadband connection be used instead of dial up.