PROPERTIES OF LIFE What characteristics do living creatures

PROPERTIES OF LIFE What characteristics do living creatures have in common? I will list the characteristics for LIFE

What’s happening here?

Characteristics of Living Things 1. 2. 3. 4. 5. 6. 7. 7 unifying themes in living organisms… Organization Energy Reproduce Respond Grow and Repair Evolve Interdependenc e I will list the characteristics for LIFE

Living Creatures are ORGANIZED All made of the same collection of chemicals, but we are organized as 4 types of specific molecules ○ proteins, fats, carbohydrates, nucleic acids carbohydrates Fats Proteins DNA

Living Creatures are ORGANIZED Made up of cells: Can be unicellular or multi-cellular UNICELLULAR MULTI-CELLULAR

Living Creatures are ORGANIZED Structural Organization for Multi-Cellular Organisms - organelles – functional units of a cell - smallest unit of life - tissue - group of cells that perform a common function - organ - group of tissue that perform a common function - organ system - a group of organs that perform a common function - organism - any complete living thing I will list the characteristics for LIFE

I will list the characteristics for LIFE

Living Creatures use ENERGY Metabolism - all the reactions your body performs to make & use energy ○ eating & digestion & elimination of waste ○ synthesis = building materials the body needs SUGAR ○ cellular respiration = making energy the body needs O 2 ATP mitochondria

Living Creatures REPRODUCE Make the next generation I will list the characteristics for LIFE

Living Creatures REPRODUCE § 2 Types of Reproduction: uasexual: 1 parent: offspring identical to parent usexual: 2 parents: offspring not identical to parents TED: Sex Determination DID YOU KNOW: A species is a group of organisms that can interbreed and produce fertile offspring in nature

Living Creatures RESPOND Respond to internal and external changes to keep homeostasis maintaining balanced conditions in the body I will list the characteristics for LIFE

Living Creatures RESPOND Anything in an organism’s environment that causes the organism to react is a stimulus. A reaction to a stimulus is a response. I will list the characteristics for LIFE

Living Creatures GROW Growth results in an increase in the amount of living material and the formation of new structures. DNA replication and protein synthesis cause GROWTH I will list the characteristics for LIFE

Living Creatures GROW All of the changes that take place during the life of an organism are known as its development. VIDEO: Chick Development

Living Creatures EVOLVE Any structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring is called an adaptation Adaptations are inherited from previous generations. I will list the characteristics for LIFE

Living Creatures EVOLVE The gradual change in a species through adaptations over time is evolution.

Living Creatures Practice INTERDEPENDENCE Living organisms interact with each other through symbiotic relationships, or predator-prey relationship in various ecosystems. I will list the characteristics for LIFE

Living Creatures Practice INTERDEPENDENCE The environment will determine what organisms will live there and how they will interact. I will list the characteristics for LIFE