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Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)
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Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)
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Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)Define population CORRECT ANS-members of the same individual in the same area
define individual CORRECT ANS-most basic scale
define community CORRECT ANS-ALL living things in one area
define ecosystem CORRECT ANS-ALL living AND non living things an an area
define ecology CORRECT ANS-study of how living things interact with each other and their
environment
define biosphere CORRECT ANS-all ecosystems connected
i.e, Earth
Order the following ecological levels from smallest to largest, simplest to most complex:
CORRECT ANS-individuals, populations, species, communities, ecosystems, biosphere
, Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)
identify factors that make up an ecosystem CORRECT ANS-1. abiotic factors
2. biotic factors
define abiotic factors CORRECT ANS-nonliving factors in the ecosystem
Define biotic factors CORRECT ANS-living factors in the ecosystem
Give an example(s) of abiotic factors CORRECT ANS-water, air, soil, sunlight, and minerals
Give an example(s) of biotic factors CORRECT ANS-animals, birds, plants, fungi, etc.
Is availability of nutrients provided by other organisms abiotic or biotic? CORRECT ANS-
biotic
Explain why Mt. St. Helen can be considered an ecosystem CORRECT ANS-living and dead
organisms left after the eruption (biological legacies) accelerated the recovery at MSH
, Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)
Describe the Mt. St. Helen ecosystem before the eruption CORRECT ANS-peaceful, lots of
animals and greenery, clear water (Spirit Lake), cone shaped mountain, people living in the
area, clear skies, colorful/ biodiversity, "old growth"
Describe the Mt. St. Helen ecosystem after the eruption CORRECT ANS-forests flattened,
lake opaque/ full of pollution, air filled with poisonous fumes, life killed off/ 57 people killed,
disrupts air traffic for miles, everything covered with ash and rock, lifeless, altered shape of
mountain, Spirit Lake raised and moved, Tephra
Define macromolecule CORRECT ANS-a large molecule formed when elements and
molecules combine together
list the 4 main types of macromolecules CORRECT ANS-1. Carbohydrates
2. Lipids
3. Proteins
4. Nucleic Acids
what do carbohydrates contain? CORRECT ANS-carbon, hydrogen, oxygen
, Exam-BIOL 1108 Exam 1 Unit 1 (100% SOLVED)
what do lipids contain? CORRECT ANS-carbon, hydrogen, oxygen (sometimes nitrogen and
phosphorus)
What do proteins contain? CORRECT ANS-carbon, hydrogen, oxygen, nitrogen (large chains
of amino acids)
what do nucleic acids contain? CORRECT ANS-carbon, hydrogen, oxygen, nitrogen,
phosphorus (long chains of nucleotides)
Identify which macromolecules contain nitrogen CORRECT ANS-proteins and nucleic acids
Carbohydrate functions and examples CORRECT ANS-store energy and provide structural
support
EX: sugars and starches
Lipid functions and examples CORRECT ANS-help make cell membranes and energy storage
EX: fats, steroids, waxes, phospholipids
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