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How do you know if something is living or nonliving?

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Characteristics of Living Things-What makes something alive?

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Info: Cells may be the smallest unit of organization in a living thing, but it's basically building a block for all organisms. They contain hereditary information for the living thing to be alive.Also, they can make copies of themselves in a process and that is called mitosis.
Example: Bacteria, Plant stem,nerve cell  ,and Red Blood cells.
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Info: The nervous and endocrine system controls homeostasis in body through feedback mechanisms involving various organs and organ system.
Example:Human's internal body temperature and healthy blood pressure.
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Info:It's a process in living organs. Metabolism can also be referring to chemical reactions that happen in living organisms, including digestions and the transport of substance into and between different cells.
Example:plants need sunlight and water. Human need food and water.

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Have you ever known someone who can eat tons of food but never gains any weight? Or, how about someone who tries to lose weight, yet cannot seem to drop the pounds? We often blame metabolism for these two phenomena. Yet the concept of metabolism is one that is often poorly understood.

Metabolism is defined as the sum of all of the chemical reactions within the human body. This includes any chemical process by which a substance is broken down, produced, or chemically modified. Metabolism is often described in terms of food and nutrient use within the body, primarily because it is simpler to understand. In this lesson, we'll address the basic aspects of metabolism as it relates to food.

Catabolism

Imagine that you are eating a slice of pepperoni pizza. In that slice, you have several key nutrients that are necessary for life. You have proteins, which contain amino acids. You have starches, which contain sugars for energy. You also have fats, which can be used to produce energy and hormones. But, in order to get to the components that you need (like amino acids and sugars), you have to have a way to break down these materials.

Catabolism is the process of breaking down materials within the body. When we digest food, we are breaking down (or catabolizing) proteins, fats, and starches in order to get the useful components. This is done by adding water to the chemical bonds within these substances, which is a process known as hydrolysis. Foods that are indigestible, or cannot be broken down, are not able to be hydrolyzed within the body.

Anabolism

In order for our bodies to function, we must be able to produce materials that we need from the ones we digest. After catabolizing our food, we are left with the fundamental components that we need for life. For example, if we have tissues that are damaged, we have to produce proteins to heal those tissues. Therefore, the amino acids we receive from our food can be used to rebuild proteins. Sugars produced by digesting starches can be used to produce larger sugars for storage. Fats can be reproduced to store energy. All of these materials are made through anabolism.

Anabolism is the process of making larger substances from smaller materials. It is, in a sense, the opposite of catabolism in that it is achieved by removing water to create bonds. This process is known as dehydration synthesis. Through dehydration synthesis, we are able to make proteins, fats, and other needed materials.

Metabolism of non-food products is also a major process necessary for survival. While consumption of food is necessary for life, consumption of many drugs and poisons may be detrimental to the health of the body. Therefore, the ability to break down these materials and remove them from the body is also a part of metabolism.

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metabolism: definition & overview - video & lesson transcript | study.com

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Metabolism: Definition & Overview - Video & Lesson Transcript | Study.com

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Have you ever known someone who can eat tons of food but never gains any weight? Or, how about someone who tries to lose weight, yet cannot seem to drop the pounds? We often blame metabolism for these two phenomena. Yet the concept of metabolism is one that is often poorly understood.

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Info: Responds to environment is an important characteristic because anything that makes a living thing react is called stimulus. It helps organism to stay in balance. They have sense to react to the environment.
Example:Light, temperature, odor, sounds ,heat ,and water.
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Info: It's not essential for the survival of individuals organisms ,but most occur for species to survive. There is two reproduction which include sexual reproduction and asexual reproduction.
Example: Humans, plants, and animals.

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Reproduction of Living Things (Plants & Animals Part 3)

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http://www.zaneeducation.com - Reproduction of Living Things is Part 3 of Plants & Animals - a Junior Science Title Use this online Junior Science video title to introduce yourself to the basics of biology by looking at the fundamental concepts of plant and animal classification... the relationship of cell division to the reproduction of organisms...

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Info:Our generation is passed from one to another. It helps living things create their traits.
Examples: Your face structure you could had got it from either parent.
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Info:It simply means you're growing and becoming more mature. Some living things may not share the same specific life stages but life does grow and develop.
Example: Baby to Toddler to young to teen to adult.  Butterfly
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