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Terms in this set (55)
The academic discipline of defining and classifying organisms based on characteristics and naming those groups.
Biological Species Concept
A group of phenotypically similar individuals that can freely interbreed within the group under natural conditions, and are reproductivly isolated from other such groups
The ancestral character traits for a taxon
the number and variety of species, ecological systems, and genetic and phenotypic variability they contain
an evolutionary novelty unique to a particular clade
Genetic Species Concept
The delineation of species based on percent sequence divergence of the cytochrome b gene using the "Molecular Clock"
the study of evolutionary relationships among a group of organisms
Describe Convergent evolution and give an example
occurs when similar environmental pressures and natural selection produce similar adaptations in organisms from different evolutionary lineages.
Evolutionary school of thought classifies organisms based on synapomorphic characters which define branch points on a phylogenetic tree
root out and destroy completely
The flow of information from DNA through RNA to protiens
The level at which evolution takes place
Homo sapiens (Italics)
Correct Binomial Nomenclature
The study of the diversification of living forms, both past, and present, and the relationships among living things through time.
It is better to use all types of data instead of one type
a group of taxa consisting of a common ancestor and ALL of its descendants
Independent evolution of similar characters that are NOT homologous
Shared! characters that result from common ancestry
Difference between "Absolute" & "Relative Dating" tequneiques + Examples
An integrated group of cells with a common structure & function
4 Tissue types + Examples
1. Muscle - Smooth Muscle
2. Connective- Frogs Blood
3. Neural - Cerebral Cortex
4. Epithelial - Stratified Squamous
Where do protists occur
All water enviorments
contains only endoparasitic species
Precursor to plants
_______, which contains stinging capsules caled _______ give this phylum its name
A toxic buildup in certain organisms in the food chain that tends to have domino effect is?
Example: Red tide
What is the mobile form of Cnidarians?
Organism causes toxic blooms on a coast that causes respiratory failure in vertebrates
To which "Phylum" are sponges classified?
Seed-bearing plants disseminate their male gametophytes as pollen
Which type of symbiotic relationship is when both species benefit?
What is the Hierarchical Classification Scheme?
Which group of terrestrial plants has seeds and vasculature, but not flowers nor fruit?
the correct is in the correct order with regard to inflowing of water in asconoid?
ostium, spongocoel, osculum
What are the spicules composed of from Class Calcarea?
sources of phylogenetic info?
Identify monocot or dicot
A complete branch within a phylogenetic tree
Mechanism of evolution
Vascular tissue connects roots to leaves
Who invented classification system
Cnidarians are __________
What are the 3 modes of dispersal, describe each + an example
Define "Symbiotic Relationship", and discuss the three types + examples
Two species geographic ranges are overlapping
Scientific study of interactions among organisms and between organisms and their environment
What is Liebig's Law of minimum?
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