Metapopulations
When a population disappears from a single patch this is referred to as _______ extinction
Local
The whale's pelvis is an example of a
Vestigial Structure
In disease ecology this is the average number of new infections caused by one infected individual
R₀
25% of all pharmaceuticals contain derivatives of ________?
Plants
These types of organisms are main drivers of nutrient cycling
Decomposers
A population that produces excess individuals and sends migrants out is referred to as what?
Source population
Tiktaalik and Archaeopteryx are examples of this
Transitional Fossils
In interspecific interactions between species what type of interaction could be represented by -/- in which both species are negatively impacted.
Competition
Globally, 1 in 5 of this type of organism is threatened with extinction
Mammals
Conversion of ammonium (NH₄⁺) into nitrate (NO₃⁻) is called
Nitrification
This species was used as an example of a species suffering from habitat fragmentation in our metapopulation lecture
Florida Panther
The wing of a bat and the wing of a butterfly would be an example of what in comparative anatomy
Analogous structures
The competitive exclusion principle
A measure of the relative abundance of each species
Species evenness.
The dead zone in the gulf of Mexico is due to an excess of nutrient runoff from the Mississippi. This excess nutrient causes what?
Eutrophication (Hypoxia)
A population that cannot persist without immigration
This driver of evolution is a stochastic change in allelic frequency.
Genetic Drift
An acronym that summarizes the five key soil-forming factors:
CLORPT model
Natural selection never “sees” DNA — it only interacts with what?
Phenotypes
This nutrient has no significant atmospheric source
Phosphorus
Two examples of global extinction were used in your metapopulation lecture name at least one of them
Dodo and passenger pigeon
This type of selection favors both extreme phenotypes over intermediates.
Disruptive selection
In population genetics provides a null model of what allele and genotype frequencies look like when evolution is NOT occurring.
Hardy Weinberg
You have likely heard me say this numerous times this semester but the health of our economy is completely contingent upon the health of our what?
ecology
Of Carbon, Nitrogen and phosphorus which has the least storage in the Lithosphere
Nitrogen