Interactive, Curriculum, Lesson Plan, Manual


A collection of lesson plans, presentations and animations about homeostasis.


  • Science > General

Education Levels:

  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10


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SCI.5-8.4.L5.1a: Science

Animals and plants have a great variety of body plans and internal structures that contribute to their ability to maintain a balanced condition.

SCI.5-8.4.L5.1b: Science

An organism's overall body plan and its environment determine the way that the organism carries out the life processes.

SCI.5-8.4.L5.1c: Science

All organisms require energy to survive. The amount of energy needed and the method for obtaining this energy vary among cells. Some cells use oxygen to release the energy stored in food.

SCI.5-8.4.L5.1d: Science

The methods for obtaining nutrients vary among organisms. Producers, such as green plants, use light energy to make their food. Consumers, such as animals, take in energy-rich foods.

SCI.5-8.4.L5.1e: Science

Herbivores obtain energy from plants. Carnivores obtain energy from animals. Omnivores obtain energy from both plants and animals. Decomposers, such as bacteria and fungi, obtain energy by consuming wastes and/or dead organisms.

SCI.5-8.4.L5.1f: Science

Regulation of an organism's internal environment involves sensing the internal environment and changing physiological activities to keep conditions within the range required for survival. Regulation includes a variety of nervous and hormonal feedback systems.

SCI.5-8.4.L5.1g: Science

The survival of an organism depends on its ability to sense and respond to its external environment.

SCI.5-8.4.L5.2a: Science

Food provides molecules that serve as fuel and building material for all organisms. All living things, including plants, must release energy from their food, using it to carry on their life processes.

SCI.5-8.4.L5.2b: Science

Foods contain a variety of substances, which include carbohydrates, fats, vitamins, proteins, minerals, and water. Each substance is vital to the survival of the organism.

SCI.5-8.4.L5.2c: Science

Metabolism is the sum of all chemical reactions in an organism. Metabolism can be influenced by hormones, exercise, diet, and aging.

SCI.5-8.4.L5.2d: Science

Energy in foods is measured in Calories. The total caloric value of each type of food varies. The number of Calories a person requires varies from person to person.

SCI.5-8.4.L5.2e: Science

In order to maintain a balanced state, all organisms have a minimum daily intake of each type of nutrient based on species, size, age, sex, activity, etc. An imbalance in any of the nutrients might result in weight gain, weight loss, or a diseased state.

SCI.5-8.4.L5.2f: Science

Contraction of infectious disease, and personal behaviors such as use of toxic substances and some dietary habits, may interfere with one's dynamic equilibrium. During pregnancy these conditions may also affect the development of the child. Some effects of these conditions are immediate; others may not appear for many years.

SCI.9-12.L.4.5.1.a: Science

The energy for life comes primarily from the Sun. Photosynthesis provides a vital connection between the Sun and the energy needs of living systems.

SCI.9-12.L.4.5.1.b: Science

Plant cells and some one-celled organisms contain chloroplasts, the site of photosynthesis. The process of photosynthesis uses solar energy to combine the inorganic molecules carbon dioxide and water into energy-rich organic compounds (e.g., glucose) and release oxygen to the environment.

SCI.9-12.L.4.5.1.c: Science

In all organisms, organic compounds can be used to assemble other molecules such as proteins, DNA, starch, and fats. The chemical energy stored in bonds can be used as a source of energy for life processes.

SCI.9-12.L.4.5.1.d: Science

In all organisms, the energy stored in organic molecules may be released during cellular respiration. This energy is temporarily stored in ATP molecules. In many organisms, the process of cellular respiration is concluded in mitochondria, in which ATP is produced more efficiently, oxygen is used, and carbon dioxide and water are released as wastes.

SCI.9-12.L.4.5.1.e: Science

The energy from ATP is used by the organism to obtain, transform, and transport materials, and to eliminate wastes.

SCI.9-12.L.4.5.1.f: Science

Biochemical processes, both breakdown and synthesis, are made possible by a large set of biological catalysts called enzymes. Enzymes can affect the rates of chemical change. The rate at which enzymes work can be influenced by internal environmental factors such as pH and temperature.

SCI.9-12.L.4.5.1.g: Science

Enzymes and other molecules, such as hormones, receptor molecules, and antibodies, have specific shapes that influence both how they function and how they interact with other molecules.

SCI.9-12.L.4.5.2.a: Science

Homeostasis in an organism is constantly threatened. Failure to respond effectively can result in disease or death.

SCI.9-12.L.4.5.2.b: Science

Viruses, bacteria, fungi, and other parasites may infect plants and animals and interfere with normal life functions.

SCI.9-12.L.4.5.2.c: Science

The immune system protects against antigens associated with pathogenic organisms or foreign substances and some cancer cells.

SCI.9-12.L.4.5.2.d: Science

Some white blood cells engulf invaders. Others produce antibodies that attack them or mark them for killing. Some specialized white blood cells will remain, able to fight off subsequent invaders of the same kind.

SCI.9-12.L.4.5.2.e: Science

Vaccinations use weakened microbes (or parts of them) to stimulate the immune system to react. This reaction prepares the body to fight subsequent invasions by the same microbes.

SCI.9-12.L.4.5.2.f: Science

Some viral diseases, such as AIDS, damage the immune system, leaving the body unable to deal with multiple infectious agents and cancerous cells.

SCI.9-12.L.4.5.2.g: Science

Some allergic reactions are caused by the body's immune responses to usually harmless environmental substances. Sometimes the immune system may attack some of the body's own cells or transplanted organs.

SCI.9-12.L.4.5.2.h: Science

Disease may also be caused by inheritance, toxic substances, poor nutrition, organ malfunction, and some personal behavior. Some effects show up right away; others may not show up for many years.

SCI.9-12.L.4.5.2.i: Science

Gene mutations in a cell can result in uncontrolled cell division, called cancer. Exposure of cells to certain chemicals and radiation increases mutations and thus increases the chance of cancer.

SCI.9-12.L.4.5.2.j: Science

Biological research generates knowledge used to design ways of diagnosing, preventing, treating, controlling, or curing diseases of plants and animals.

SCI.9-12.L.4.5.3.a: Science

Dynamic equilibrium results from detection of and response to stimuli. Organisms detect and respond to change in a variety of ways both at the cellular level and at the organismal level.

SCI.9-12.L.4.5.3.b: Science

Feedback mechanisms have evolved that maintain homeostasis. Examples include the changes in heart rate or respiratory rate in response to increased activity in muscle cells, the maintenance of blood sugar levels by insulin from the pancreas, and the changes in openings in the leaves of plants by guard cells to regulate water loss and gas exchange.
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