BIS 2B FINAL EXAM (PART I) WITH 100% CORRECT ANSWERS .
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BIS 2B
Institution
BIS 2B
BIS 2B FINAL EXAM (PART I) WITH 100% CORRECT ANSWERS .
Community - Correct Answer: set of species in a particular place
Ecosystem - Correct Answer: all species and their abiotic environment in a place
Biological evolution - Correct Answer: change in the properties of populations over th...
Trade off - Correct Answer: relationship between the benefits and the costs of a trait in different
environments
Principle of Allocation - Correct Answer: all life functions can not be simultaneously maximized
Fundamental niche - Correct Answer: total range of environmental conditions that are suitable for a
species existence without effects of other species
Realized niche - Correct Answer: part of fundamental niche that a species actually occupies caused by
interactions with other species
Acclimatization - Correct Answer: relatively long term response by an organism to environmental change
Dispersion - Correct Answer: distribution of organisms in space at one moment in time
, clumped
random
uniform
Home range - Correct Answer: the area an animal normally lives
Cooperation - Correct Answer: interactions among individuals in which all benefit
Life cycle - Correct Answer: the entire span of stages in the life of an organism from the moment of
fertilization to the time it reproduces and dies
Reproductive value (Vx) - Correct Answer: age specific expectation of future reproduction
Competition - Correct Answer: process that occurs when individuals share resources that are in short
supply
Translocations - Correct Answer: exchange of segments between nonhomologous chromosomes
Heterozygous - Correct Answer: individual has different copies
Locus - Correct Answer: the site on the chromosome of a gene
Incomplete dominance - Correct Answer: when heterozygotes show a phenotype intermediate between
two homozygotes
Inbreeding - Correct Answer: a form of nonrandom mating in which individuals are more likely to mate
with relatives than with nonrelatives
Genetic drift - Correct Answer: random change in gene frequencies within populations caused by sampling
error
Heterozygosity - Correct Answer: the proportion of the population that is heterozygous
Gene flow - Correct Answer: movement of genotypes from one population to another
Character displacement - Correct Answer: when species differ more where they are together (sympatric)
than when they are alone (allopatric)
Predation - Correct Answer: when an animal eats another organism (+,-)
Coevolution - Correct Answer: when two or more species affect one another's evolution
Aposematic - Correct Answer: species that are brightly colored to advertise that they are harmful
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