Exam 1
True/False: If the majority of the Hardy Weinberg requirements are met, then the population is not evolving.
False
ALL requirements must be met
True/False: A symbiosis specifically refers to a mutualistic relationship between 2 individuals.
False
It can be parisitic, commensalistic, or mutualistic.
True/False: Fungi reproduce using small, single haploid cells called spores.
True
True/False: The most common feedback loop is a positive feedback loop.
False
Negative Feedback Loop
True/False: Antagonistic interactions lead to random distributions.
False
Uniform
What is the term for the development of new species through evolution?
Speciation
What do animal cells use for adherence?
Integrins & Cadherins
What is the ploidy of fungi in the heterokaryotic stage?
n + n
What type of fertilization requires an intromittent organ?
Internal Fertilization
What survivorship curve would be exhibited by species with high parental care?
Type I
Habitat ___________ is one of the driving forces of adaptive radiation.
Heterogenity
(Organisms will adapt in order to reduce competition)
List a factor that controls the rate of the diffusion of molecules.
Size
Concentration
Nature of the "Media"
Distance
Because we have trouble finding a common ancestor of all fungi, due to their diverse nature, fungi are a part of a __________ group.
Polyphyletic
Coelomates are organisms with a coelom that is entirely covered by what?
Mesoderm
What is this formula used to calculate: rN x (1 - N/K)
Logistic Growth
List a reason for why natural selection cannot fashion perfect organisms.
Selection can only exist on existing variation
Evolution is limited by historical constraints
Adaptations are often compromises
Chance, natural selection, & the environment interact
List one part of the cell theory.
Cells are the smallest living thing
All living things are composed of cells
All cells come from other cells
Retention of megaspores
Reduction in the number of megaspore mother cells
Survival of only ¼ megaspores
Endosporic megagametophyte
Embryo development
Formation of integument
Modification of apex
What are the 2 general categories of protostomes?
Lophotrochozoans & Ecdysozoans
What refers to how predator and prey populations influence each other over time?
Lotka-Volterra
List any 4 forms of pre-zygotic reproductive isolation.
Ecological
Temporal
Behavioral
Mechanical
Gametic
List any stage in the evolution of life on earth (from lecture).
The formation of organic molecules from inorganic molecules
Ability of organic molecules to extract energy from organic molecules
The formation of a membrane composed of organic molecules
The ability to self replicate and store heritable information
Ability to convert light energy into chemical energy
Use of oxygen to extract more energy from organic molecules
The formation of internal membrane bound structures
Limited mineral resources
Life is more abundant near the shore
Light
CO2
List 2 of the 3 main characteristics of mollusks.
Visceral Mass
Muscular Foot
Mantle
List 3 defense mechanisms of predation.
Mechanical
Chemical
Physical
Behavioral