Lesson 27 Environmental Factors Subtitle
Label the Human Cell worksheet Compare with a partner Activator Label the Human Cell worksheet Compare with a partner 5/4/2019 Add a footer
Environmental Factors Any factor, abiotic or biotic, that influences living organisms. Abiotic factors: temperature, sunlight, soil, food, water, etc Biotic: plants, animals 5/4/2019 Add a footer
Examples of Biotic Factors an their Effects Increased Predators: reduces the numbers of prey Parasites: cause diseases that may slow down the growth rate of a population and/or reduces the number of organisms. Competition: When organisms compete over nutritional resources, this could reduce the growth of a population. 5/4/2019 Add a footer
Examples of Abiotic Factors and their Effects Temperature: influences the distribution of plants and animals. Animals have a clear distinction between being cold blooded or warm blooded. Seasonal migration is seen in some animals. Plants cannot prevent freezing of their tissues. https://www.bing.com/videos/search?q=iguana+fall+out+of+trees+when+its+cold&&view=det ail&mid=ECFE12D40CA1080F0451ECFE12D40CA1080F0451&FORM=VRDGAR 5/4/2019 Add a footer
Abiotic factors Water is essential for life and all the biotic components of the ecosystem are directly dependent on water for survival. Atmospheric gases like oxygen, nitrogen and carbon dioxide: All organisms require oxygen for respiration. Carbon dioxide is used by green plants to make food by the process of photosynthesis. 5/4/2019 Add a footer
Classwork Read the article Pick 3 abiotic/biotic factors you just read about write about how those factors can affect an organism of your choosing. (Minimum of 15 sentences) Make sure to describe your organism and the environment it lives in. Work independently we will review as a class 5/4/2019 Add a footer
What is an abiotic factor that can affect the environment? Exit Ticket What is an abiotic factor that can affect the environment? What is a biotic factor that can affect the environment? 5/4/2019 Add a footer