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Biology 20 - Ecology and Evolution Exam with correct Answers
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Biology 20 - Ecology and Evolution Exam
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Biology 20 - Ecology and EvolutionExam
Heterotroph - Answers -An organism that cannot produce its own food.
First law of Thermodynamics - Answers -Energy can not be created or destroyed, only
converted from one form to another.
Ecosystem - Answers -Made up of all of the organisms that live in an area and the
physical environment of the area.
Cellular respiration - Answers -The energy required to allow organisms to grow and
reproduce is released through the process of ________ ___________.
Tertiary consumer - Answers -A consumer that is at the top of the food chain.
C6H12O6+602 becomes 6CO2+6H20 - Answers -Chemical formula for cellular
respiration.
Feces, dead organisms, dead plant matter - Answers -What are three examples of
waste matter?
No - Answers -Is any energy conversion 100% efficient?
Cellular respiration. - Answers -Glucose + Oxygen = Carbon Dioxide + Water
Herbivores or Primary Consumers - Answers -Organisms that only eat plants.
6CO2+6H2O becomes C6H12O6+6O2 - Answers -Chemical formula for
Photosynthesis.
Kilojoules - Answers -What are the units on an energy pyramid?
Chemosynthesis - Answers -What process is used by deep sea organisms to convert
hydrogen sulfide into sulfuric acid?
Four - Answers -How many trophic levels are there?
51% - Answers -What percentage of light reaches the earths surface to warm the
planet?
, Chemosynthesis - Answers -When bacteria captures energy stored in the bonds of
molecules, in the absence of light.
1 to 2 % - Answers -How much of the total radiant energy that reaches the Earth that is
converted into chemical energy?
Producers, primary consumers, secondary consumers, tertiary consumers - Answers -
What are the four types of food producers/consumers?
Food chain - Answers -A model that shows the linear pathways through which food is
transferred from producers to higher trophic levels.
Closed - Answers -The Earth is a ______ system with regards to matter. (with the
exception of meteorites)
Consumers - Answers -Organisms that cannot make their own food, and must rely on
producers.
Ecosystem - Answers -An _________ is made up of all the organisms that live in an
area and the physical environment of that area. This includes living and non-living
factors.
Sulfuric acid - Answers -H2SO4
Biomass - Answers -The weight of organisms at each trophic level.
Albedo - Answers -The degree of reflectability of a surface.
Feces, dead organisms, dead plant matter - Answers -Examples of waste matter.
H2S - Answers -Hydrogen sulfide.
Pyramid of Energy - Answers -Shows the total amount of energy that is transferred
through each trophic level.
10% - Answers -Amount of energy passed on when one organism consumes another.
Decomposers - Answers -A consumer group that obtains energy rich molecules by
eating waste matter.
Food Web - Answers -A model of food/energy transfer in an ecosystem that shows the
connections among food chains.
Carnivores - Answers -Animals that eat other animals.
Numbers Pyramids - Answers -Does not take into account the size or organisms.
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