Examlex
Define the concepts of dynamic equilibrium and pulsing states as they apply to ecosystems.
Antigens
Substances that are recognized by the immune system and can provoke an immune response, typically proteins or polysaccharides found on pathogens.
Dominant Allele
An allele that expresses its phenotype even in the presence of another (recessive) allele.
Hardy-Weinberg Equilibrium
A principle stating that genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
Homozygous Recessive
An individual that has inherited two identical alleles for a particular trait from each parent, manifesting a trait that is only expressed when dominant alleles are absent.
Q1: In an estuary, the zone of maximum
Q14: Food webs are useful for depicting _
Q23: The Russian biologist G. Gause was one
Q33: In a forest community, the layer containing
Q39: Biological nitrogen fixation is accomplished by symbiotic
Q45: Competition for one resource often influences the
Q48: Species characterized by a very high rate
Q55: In _ biogeochemical cycles, the main reservoirs
Q57: Explain why primary productivity is typically higher
Q63: Different agricultural practices represent a trade-off between<br>A)sustainability