Content Standard 1 Characteristics of Living Things

Eligible Content Describe how organisms grow & develop, as can be reflected by changes in size and maturity Describe how organisms reproduce using sexual or asexual methods Describe how organisms are composed of at least one cell Describe how organisms use energy to undergo life processes Describe how organisms exchange gases such as oxygen, carbon dioxide, and nitrogen. Describe how organisms respond to environmental stimuli Note: Plants have tropism responses. Copyright 2008 PresentationFx.com | Redistribution Prohibited | Image © 2008 clix@sxc.hu | This text section may be deleted for presentation.

Characteristics of Living things Cell basic structure for all life Provides structure Multicellular Organization Cell Tissue Organ System Organism Use Energy Some carry out Photosynthesis Some must consume others Ability to Respond Reaction to stimuli Grow & Develop Mitosis (cellular growth & repair) Ability to Reproduce Asexual – one parent Sexual – two parents (exchange of genetic material – egg & sperm) Copyright 2008 PresentationFx.com | Redistribution Prohibited | Image © 2008 clix@sxc.hu | This text section may be deleted for presentation.

Remember: Not all organisms have blood Not all have lungs Not all have a vascular system Not all have a digestive system Not all have a nervous system Not all have a specialized reproductive system Not all organisms have systems Some are unicellular not Multicellular But ALL have at least one cell and the ability to reproduce, respond, use energy, grow & develop Copyright 2008 PresentationFx.com | Redistribution Prohibited | Image © 2008 clix@sxc.hu | This text section may be deleted for presentation.

ALL living things require energy in order to survive Energy is gotten from one of two ways Consumer / Heterotroph Organism eats another organism Producer / Autotroph Plants use sunlight to make food Photosynthesis Copyright 2008 PresentationFx.com | Redistribution Prohibited | Image © 2008 clix@sxc.hu | This text section may be deleted for presentation.

One source of energy for animals is carbohydrates All organisms that reproduce must pass on inherited traits to their offspring Copyright 2008 PresentationFx.com | Redistribution Prohibited | Image © 2008 clix@sxc.hu | This text section may be deleted for presentation.