Characteristics of Living Things Explained
Explore the essential components of life science, from the role of atoms in creating living and nonliving things to how living organisms gather energy and nutrients. Learn about the characteristics that define living organisms, such as the ability to sense and respond to changes in the environment, grow, and reproduce. Discover the fundamental importance of cells in all living systems and the ways in which organisms gather food for sustenance.
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Presentation Transcript
INTRODUCTION TO LIFE SCIENCE
WHAT MAKES LIVING THINGS Atoms Atoms are not living but they make up nonliving and living things
Atoms make Molecules Molecules are not living but some are essential to life Carbohydrates Lipids Protein Nucleic Acids
LIVING THINGS MADE BY ATOMS Atoms make molecules and molecules help to make cells Cells are the fundamental unit of all life.
CHARACTERISTICS OF LIFE ALLliving things: 1.They require energy and nutrients 2.They sense and respond to change 3.They grow and reproduce (Non-living things cannot do these)
CHARACTERISTICS OF LIFE All living things require energy and nutrients Gathering energy and nutrients starts with food
CHARACTERISTICS OF LIFE 2 ways for gathering food 1.Producers make their own food from non-living materials in the environment 2.Consumers cannot make their own food and must eat in order to gather the nutrients and energy that they need.
CHARACTERISTICS OF LIFE All living things sense and respond to change in the environment Homeostasis is the term used to describe how organisms sense and respond to change in order to keep all things balanced. 1. https://www.youtube.com/watch?v=C6MHQMufjq4 https://youtu.be/7-ZYdtCAF5U
CHARACTERISTICS OF LIFE They grow and reproduce Growth: increase in cell number, in size, and in volume. Reproduction: production of offspring
