Biology 20 (Alberta) Study Set
Questions Fully Solved.
What is the biosphere? - Answer All areas on earth that support life
Where is all energy on earth derived from? - Answer The sun
What does photosynthesis do? - Answer converts light energy into chemical energy (sugar)
What are producers? - Answer organisms that make their own food through photosynthesis
What percentage of radiant sun energy can actually be utilized by producers? - Answer 1-2%
What is albedo? - Answer the percentage of incoming sunlight that is reflected from a surface
What are consumers - Answer Organisms that get their energy by consuming other living
organisms.
Go through the trophies levels in the food chain - Answer 1. Producer
2. Primary consumer; herbivores
3. Secondary consumer; carnivore or omnivore
4. Tertiary consumer; carnivore
Each level eats the level below.
What is chemosynthesis? - Answer When organisms make food for themselves in the absence
of light
What are the laws of thermodynamics? - Answer The first law states that energy isn't created
or destroyed, but cycled and changed into different forms
The second law states that energy conversion will never be 109% efficient as some is always lost
to heat
Questions Fully Solved.
What is the biosphere? - Answer All areas on earth that support life
Where is all energy on earth derived from? - Answer The sun
What does photosynthesis do? - Answer converts light energy into chemical energy (sugar)
What are producers? - Answer organisms that make their own food through photosynthesis
What percentage of radiant sun energy can actually be utilized by producers? - Answer 1-2%
What is albedo? - Answer the percentage of incoming sunlight that is reflected from a surface
What are consumers - Answer Organisms that get their energy by consuming other living
organisms.
Go through the trophies levels in the food chain - Answer 1. Producer
2. Primary consumer; herbivores
3. Secondary consumer; carnivore or omnivore
4. Tertiary consumer; carnivore
Each level eats the level below.
What is chemosynthesis? - Answer When organisms make food for themselves in the absence
of light
What are the laws of thermodynamics? - Answer The first law states that energy isn't created
or destroyed, but cycled and changed into different forms
The second law states that energy conversion will never be 109% efficient as some is always lost
to heat
