Key Concept What are the similarities and differences between the abiotic and biotic parts of an ecosystem? Directions: On the line before each term, write A if the term represents an abiotic factor or B if the term represents a biotic factor. Key Concept Builder LESSON 1 1. bacteria 2. soil 3. fallen leaves 4. plants 5. sunlight 6. water 7 ...
Key Concept Builder Date Class LESSON 2 Energy Transfer in the Atmosphere Key Concept How are air circulation patterns within the atmosphere created? Directions: On the line after each item, 8Ðite conduction, convection, or radiation to indicate the type of thermal energy transfer that it represents. 1. the warming rays of the Sun