← EXAM 2 Ecology Test
5 Written Questions
5 Matching Questions
- Galapagos Archipelago
- Sexual Selection
- a describes a trait that covers over, or dominates, another form of that trait
- b Individuals of a species that live in a habitat patch.
- c term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes
- d the preferential choice of a mate based on a specific phenotypic trait
- e Off Ecuador's coast. Finches influence on Darwin's theory of Evolution.
5 Multiple Choice Questions
- The number of individuals in a population.
- each species has to run (evolve) as fast as possible just to stay in place -- because predators, competitors, and parasites also continue to evolve
- the fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo
- A population that has a surplus of individuals that are able to emigrate to other areas, more offspring produced than can coexist.
- E.G. trade of between present and future reproduction versus: fecundity, growth, adult longevity, and survival. - the belief that evolutionary change is modulated and constrained by such trade-offs is a central pillar of evolutionary thought - the existence of trade-offs is not disputed, but there is little understanding of how trade-offs evolve, or indeed if they can evolve.
5 True/False Questions
Microhabitat → the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
Migration → generation-to-generation change in the proportion of different inherited genes in a population that account for all of the changes that have transformed life over an immense time
Acclimatization → adaptation to a new climate (a new temperature or altitude or environment)
Reproductive Success → The number of individuals in a population.
Diploid → an organism or cell having two sets of chromosomes