SCI 225 Final Exam 2026
1. Photosynthesis
Answer: 6CO2 + 6H2O + light --> C6H12O6 + 6O2
2. Cellular respiration
Answer: C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
3. Biosynthesis
Answer: The key carbon cycle process that generates gains in biomass
4. Autotroph
Answer: An organism that makes its own food from inorganic molecules (photosynthesis)
5. Heterotroph
Answer: An organism that obtains energy from the foods it consumes; also called a consumer
6. What are the 4 stages in a life cycle?
Answer: Gametes and fertilization; Growth and development; Immature stages (incapable of
reproducing); Adult stage (capable of reproducing)
7. Phenology
Answer: Timing of life cycle events
8. Ecosystem
Answer: A community of organisms interacting with each other and their physical environment
9. Coral reefs cover how much of the ocean floor?
Answer: 1% but support 25%
, 10. Coral reefs
Answer: Unique ecosystems defined by biological and geological components
11. What kind of environments do coral reefs live in?
Answer: Warm waters (23 to 29°C); High light; Low turbidity; Low nutrient water; Open water saline
12. Why live on a Coral reef?
Answer: Food, living space (ecological niches), protection (from waves and predators), mates
13. Herbivores
Answer: Consumers that eat only plants
14. Carnivore
Answer: A consumer that eats only animals
15. Omnivore
Answer: An animal that eats both plants and animals
16. Piscivore
Answer: Eats fish
17. What is the normal level of pH in the ocean?
Answer: 8
18. What is pH?
Answer: Measure of how acidic or basic a substance is
19. Scientific Models
1. Photosynthesis
Answer: 6CO2 + 6H2O + light --> C6H12O6 + 6O2
2. Cellular respiration
Answer: C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
3. Biosynthesis
Answer: The key carbon cycle process that generates gains in biomass
4. Autotroph
Answer: An organism that makes its own food from inorganic molecules (photosynthesis)
5. Heterotroph
Answer: An organism that obtains energy from the foods it consumes; also called a consumer
6. What are the 4 stages in a life cycle?
Answer: Gametes and fertilization; Growth and development; Immature stages (incapable of
reproducing); Adult stage (capable of reproducing)
7. Phenology
Answer: Timing of life cycle events
8. Ecosystem
Answer: A community of organisms interacting with each other and their physical environment
9. Coral reefs cover how much of the ocean floor?
Answer: 1% but support 25%
, 10. Coral reefs
Answer: Unique ecosystems defined by biological and geological components
11. What kind of environments do coral reefs live in?
Answer: Warm waters (23 to 29°C); High light; Low turbidity; Low nutrient water; Open water saline
12. Why live on a Coral reef?
Answer: Food, living space (ecological niches), protection (from waves and predators), mates
13. Herbivores
Answer: Consumers that eat only plants
14. Carnivore
Answer: A consumer that eats only animals
15. Omnivore
Answer: An animal that eats both plants and animals
16. Piscivore
Answer: Eats fish
17. What is the normal level of pH in the ocean?
Answer: 8
18. What is pH?
Answer: Measure of how acidic or basic a substance is
19. Scientific Models
