Transfer of Energy and Matter in Ecosystems Task





















- Slides: 21
Transfer of Energy and Matter in Ecosystems Task Cards ANSWER KEY Photosynthesis, Cellular Respiration, Trophic Pyramids, Food Webs
1 Transfer of Energy and Matter List the reactants for photosynthesis. Where do they come from? • Carbon dioxide from atmosphere • Energy from sunlight • Water
2 List the products of cellular respiration. • Carbon dioxide • Water • ATP
3 A. )What is considered the source of energy for life on Earth? The sun B. )What process turns this energy into usable energy Photosynthesis
4 What are the products of photosynthesis? • Oxygen • Glucose
5 What are the reactants in cellular respiration? Where do they come from? • Oxygen in the atmosphere (from plants) • Glucose from food (originally passed from plants)
6 What types of organisms use cellular respiration? ALL PLANTS AND ANIMALS!
7 Name three phases of Cellular Respiration I. Glycolysis II. Krebs Cycle III. Electron Transport Train
8 • In which organelle does cellular respiration occur? Mitochondria • In which organelle does photosynthesis occur? Chloroplast
9 Label the diagram • Photosynthesis • Plants • Chloroplast
10 A. ) Autotrophs get their energy from _the sun_. B. ) Heterotrophs get their energy from _consuming other organisms.
11 Where does CO 2 enter and exit the leaf? Stoma
12 A. ) Photosynthesis can occur in the dark: True or False B. ) Cellular respiration can occur in the dark: True or false
13 In this energy diagram, which letters could represent CO 2 and H 2 O? B & C
14 In this energy diagram, what letters could represent glucose and Oxygen? D & E
15 In this energy diagram, where does cellular respiration take place? F & G
16 A. ) Photosynthesis__ is considered the “buildup process” and B. )Respiration_ is considered the “breakdown process”
17 Write the chemical formula for the following molecules: • • Carbon Dioxide CO 2 Oxygen O 2 Glucose C 6 H 12 O 6 Water H 2 O
18 What happens in the Calvin Cycle of Photosynthesis? Glucose is synthesized from carbon dioxide.
19 Write out the full equation for photosynthesis : _Energy_ + __Water__ + __Carbon dioxide__ → oxygen_ + _glucose_
20 Write out the full equation for cellular respiration : _glucose_ + _oxygen__→ _carbon dioxide__ + _water_ + __ATP_