Organic Species – Biology Quiz
The key terms of Biology Quiz include, Organic, Species, Organisms, Habitat.
detritivores
organisms that eat organic wastes and dead bodies
biomass
the dry weight of tissues and other organic matter found in an ecosystem
nitrogen fixation
the process of combining nitrogen with hydrogen to form ammonia
secondary compounds
defensive chemicals contained in most plants
symbiosis
two or more species live together in a long-term association
mutualism
a symbiotic relationship where both benefit
commensalism
a symbiotic relationship where one species benefits and the other is unchanged
homologous structures
structures that share a common ancestry
speciation
process by which new species form
taxonomy
science of naming and classifying
genus
category containing similar species
order of classification
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
biological species
a group of natural populations that are interbreeding or that could interbreed, and are reproductively isolated from other groups
cladogram
diagram that shows the evolutionary relationships
number of individuals living in a given area
carrying capacity
population size that an environment can sustain
Thomas Malthus
suggested to Darwin that populations have carrying capacities
Charles Lyell
wrote the Principles of Geology and taught Darwin about the changes of the Earth
K strategist
have few offspring, but care for each one
R strategist
have hundreds or thousands of offspring hoping that only a few will survive
ecology
the study of the interactions of living organisms with their physical environment
habitat
the place where a population of a species lives
community
the different species that live together in a habitat
ecosystem
a community and all the physical aspects of its habitat
abiotic factors
physical aspects of a habitat
biotic factors
organisms living in a habitat
succession
regular progression of species replacement
primary productivity
rate of the primary producers (plants)
producers
organisms that first capture the energy
organisms that consume the plants
detritivores
organisms that eat organic wastes and dead bodies
biomass
the dry weight of tissues and other organic matter found in an ecosystem
nitrogen fixation
the process of combining nitrogen with hydrogen to form ammonia
secondary compounds
defensive chemicals contained in most plants
symbiosis
two or more species live together in a long-term association
mutualism
a symbiotic relationship where both benefit
commensalism
a symbiotic relationship where one species benefits and the other is unchanged