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11.2 Applying Mendel's Priniciples
Bio Terms/11.2
20
Biology
9th Grade
10/18/2012

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Term
Food chain
Definition
is a series of steps in which organisms transfer energy by eating or being eaten.
Term
Phytoplankton
Definition
is a primary producer and mixture of floating algae in aquatic food chains.
Term
Food web
Definition
is a network of feeding interactions and relationships.
Term
Zooplanktons
Definition
are small fee floating animals that form parts of plankton like Krill.
Term
Trophic level
Definition
is another name given to each step or level the food chain and web.
Term
Ecological pyramid
Definition
are the different levels of energy or matter within each trophic level of the food chain or web.
Term
Biomass
Definition
is the total amount of living matter available at each trophic level in an ecosystem.
Term
bioeochemical cycle
Definition
is the process in which chemicals, element, and otherforms of matter are passed from one organism to another and from one part of the biosphere toanother part.
Term
nutrient
Definition
is a chemical substance that an organism needs to sustain life.
Term
nitrogen fixation
Definition
is a proceess of converting nitrogen gas into nitrogen compounds that plants can absorb and use.
Term
denitrification
Definition
is a process by which bacteria converts nitrates into nitrogen gas.
Term
limiting nutrient
Definition
are single essential nutrient that limits productivity in an ecosystem.
Term
probability
Definition
Probability is the likelyhood or chance of somthing occuring.
Term
homozygous
Definition
Homozygous is when organisms have two identical alleles for a particular gene.
Term
phenotype
Definition
Phenotype are physical traits that can be seen.
Term
genotype
Definition
The geneotype of an organism is inherited and genetic makeup like TT, Tt, tt.
Term
punnett square
Definition
Punnett square is a way to figure out the genotype and phenotype using a mathimatical formula.
Term
independent assortment
Definition
Independent assortment is how alleles segregate when more than one gene is involved. Different traits can be segregated during the formation of gametes.
Term
heterozygous
Definition
Heterozygous is when organisms have two different alleles for a particular gene.
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