1. Do now: What do you already know about Ecology? Ecosystem, biotic and abiotic factors Producers, consumers, decomposers, autotrophs, heterotrophs ECOLOGY Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem

2. What Is Ecology? The study of how living things interact with one another and with their environment Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem

3. Biotic Factors Ecosystem Abiotic Factors Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem Ecosystem: biotic factors + abiotic factors Biotic and Abiotic factors The Ecosystem is made of Biotic Factors and Abiotic Factors

4. Ecosystem Organisms (living things) Nonliving things INTERACTION Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem Biotic and Abiotic factors

5. All living things Nonliving things Example: Plants animals Bacteria Examples: Soil Water Physical space Energy Biotic Factor Abiotic Factor INTERACTING Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem Ecosystem = Eco logical System

6. 3. Classify as biotic and abiotic factors the items in the list below. Soil, Deer, Rabbits, Bacteria, Temperature, Seeds, Sun, Fish, Worms, Water, Snake, Mountain lion, pH, Raccoon, Algae, Fungi, Grass, Grasshopper, Air Biotic FactorsAbiotic Factors Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem algae grasshopper racoonbacteria deer

7. 3. Classify as biotic and abiotic factors the items in the list below. Soil, Deer, Rabbits, Bacteria, Temperature, Seeds, Sun, Fish, Worms, Water, Snake, Mountain lion, pH, Raccoon, Algae, Fungi, Grass, Grasshopper, Air Biotic FactorsAbiotic Factors Deer Rabbits Bacteria Seeds Fish Worms Snake Soil Temperature Sun Water pH Air Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem Mountain Lion Raccoon Algae Fungi Grass Grasshopper

8. Identify Biotic and Abiotic factors in the picture. BIOTIC FACTORS ABIOTIC FACTORS Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem

9. Multiple Choice Questions 1. Which statement illustrates a biotic resource interacting with an abiotic resource? A) A plant absorbs sunlight, which is used for photosynthesis. B) A rock moves during an earthquake. C) A sea turtle transports a pilot fish to food. D) A wind causes waves to form on a lake. E) A lion feeding on a zebra 2. Organisms that are able to manufacture organic nutrients from substances in the abiotic environment are classified as A) fungi B) plantsC) predatorsD) animals 3. One biotic factor that affects consumers in an ocean ecosystem is A) temperature variationB) salt content C) pH of waterD) number of autotrophs 4) Abiotic factors that characterize a forest ecosystem include A) types of producers and decomposersB) temperature and amount of available water C) light and biodiversityD) pH and number of heterotrophs Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem Multiple Choice Questions

10. Objective: Understand the Main Concepts in Ecology Key Words: Ecology, Biotic, Abiotic Factors, Ecosystem 5) In an ocean, the growth and survival of seaweed, small fish, and sharks depends on abiotic factors such as A) number of herbivores, carbon, and food B) number of decomposers, carbon dioxide, and nitrogen C) sunlight, pH, and type of seaweed D) sunlight, temperature, and minerals 6) The table below contains information about glucose production in a species of plant that lives in the water of a salt marsh. Which of the following terms describe temperature in the investigation shown? A) abiotic factor and independent variable B) abiotic factor and dependent variable C) biotic factor and dependent variable D) biotic factor and independent variable Multiple Choice Questions