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Biology 20 - Ecology and Evolution Exam Questions And Answers
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Biology 20 - Ecology and Evolution ExamQuestions And Answers
Heterotroph - An organism that cannot make its own food.
First law of Thermodynamics - Energy can not be created or destroyed, only converted
from one form to another.
Ecosystem - Composed of all of the organisms that live in an area and the physical
environment of the area.
Cellular respiration - Answer The energy required to allow living things to grow and
reproduce is released in the process of ________ ___________.
Tertiary consumer - Answer A consumer that is on the top of the food chain.
C6H12O6+602 becomes 6CO2+6H20 - Answer Chemical formula for cellular respiration.
Feces, dead organisms, dead plant matter - Answer Name three examples of waste
matter.
No - Answer Is any energy conversion 100% efficient?
Cellular respiration. - Answer Glucose + Oxygen = Carbon Dioxide + Water
Herbivores or Primary Consumers - Answer Organisms that only eat plants.
, 6CO2+6H2O becomes C6H12O6+6O2 - Answer Chemical formula for Photosynthesis.
Kilojoules - Answer What are the units on an energy pyramid?
Chemosynthesis - Answer What process is used by deep sea organisms to convert
hydrogen sulfide into sulfuric acid?
Four - Answer How many trophic levels are there?
51% - Answer What % of light reaches the earths surface to warm the planet?
Chemosynthesis - Answer When bacteria captures energy stored in the bonds of
molecules, in the absence of light.
1 to 2 % - Answer How much of the total radiant energy that reaches the Earth that is
converted into chemical energy?
Producers, primary consumers, secondary consumers, tertiary consumers - Answer
What are the four types of food producers/consumers?
Food chain - Answer A model that shows the linear pathways through which food is
transferred from producers to higher trophic levels.
Closed - Answer The Earth is a ______ system with regards to matter. (with the exception
of meteorites)
Consumers - Answer Organisms that cannot make their own food, and must rely on
producers.
Ecosystem - Answer An _________ consists of all the organisms living in an area and the
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