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IB Biology Test

Enter the letter for the matching Answer
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1.
Pathogen
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2.
Trophic level
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3.
*
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4.
Organic
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5.
Cell respiration
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6.
Ecology
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7.
Polygenic inheritance
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8.
Action Potential
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9.
Mutualism
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10.
Organ
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11.
Recombination
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12.
Tissue
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13.
Artifical immunity
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14.
Active site
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15.
Phenotype
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16.
Denaturation
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17.
Genotype
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18.
Heterozygous
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19.
Population
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20.
Homologouse chromosomes
A.
A structural change in a protein that results in a loss ( usally permanent) of its biological properties
B.
Release of energy in the form of ATP from the comtrolled breakdown of organic compounds within a cell
C.
A organism or virus that causes a disease
D.
The transmission of a characteristic influenced by several genes
E.
the study of relationships bt living organisms and the relationship bt living organisms and their envirnoment
F.
The reversal and then restoration of the electrical potential across the plasma membrane of a nerve cell as an electrical impluse passes along it.
G.
immuntiy due to inoculation with vaccine
H.
The characteristics of an organism
I.
A group of organism of the same species that live in the same area at the same time
J.
The reassortments of alleles into different combinations from those in the parents
K.
A realtionship bt 2 diff speices where both species have some degree of physiological dependency on 1 another and benefit fr the relationship
L.
A group of similar cells ogranized into a functional unit
M.
(blank)
N.
A group of tissues that form a single struture and which work together to carry out a function
O.
the alleles possessed by an organism
P.
The position of an organism in a food chain
Q.
Compounds containing carbon found in organisms (excluding hydrogencarbonates, carbonates, and oxides of carbon)
R.
having two diff alleles at a gene locus
S.
The specific region of an enzyme tow hich the substrate or substrates bind
T.
A pair of chromosomes with the same genes but not nescessarily the same alleles of those genes
Type the Question that corresponds to the displayed Answer.
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21.
A primary consumer feeding on a plant or its products
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22.
Gross production minus the amount used by the producers for respiration
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23.
The control of the water balance of teh blood, tissue fluid or cytoplasm of living organism
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24.
The max pop size that could be supported by the envirnoment
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25.
all those genes on a particular chromosome
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26.
A group of organs that work together to carry out a function
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27.
A predator killing its prey
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28.
Organism that feed on dead organic matter by secreting disgestive enzymes onto it and absorbing the products of digestion
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29.
A specific form of a gene, occupying the same gene locus as other alleles of that gene, but differing from other alleles by samll differences in its base sequence
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30.
The processs of cumulative change in the heritable characteristics of a population

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