Shared Flashcard Set

Details

BISC101 Test 4 Feb 22, 2013 (2)
Set #2
27
Biology
Undergraduate 1
02/21/2013

Additional Biology Flashcards

 


 

Cards

Term
Clumped
Definition
Humans in North America what kind of distribution pattern?
Term
Biotic Potential
Definition
The maximum rate of increase in numbers by a population.
Term
Exponential
Definition
When limiting factors are absent, population growth is _______.
Term
Carrying Capacity (K)
Definition
Ideally, populations are limited in size by the habitat. This is also known as _______.
Term
Density-Independent
Definition
If population changes are not related to its size, the causative factors are called _______.
Term
Density-Independent
Definition
A weather-related event, such as a drought, would be called a _______ control.
Term
Increase
Definition
At high population densities, parasitism, disease, predation and competition all would _______
Term
Cohort
Definition
A group born into a population at the same time is called a _______.
Term
Most Marine Invertebrates
Definition
A type III survivorship curve (high juvenile mortality; a reverse J-shape) is shown by _______.
Term
Type III is shown also by insects, fish, amphibians, and reptiles, all creatures with large litter size.
Definition
Type III is shown also by insects, fish, amphibians, and reptiles, all creatures with large litter size.
Term
Grasslands or Savannah Habitats
Definition
The first human populations occurred in _______.
Term
Bubonic Plague
Definition
The largest decrease in human population size was caused by _______.
Term
Decrease Birth Rate
Definition
The most reasonable and reliable way to limit population growth is _______.
Term
Developing
Definition
_______ countries tend to be farther from ZPG.
Term
Sustainable
Definition
A combination of only producers and decomposers could be a _______ ecosystem.
Term
Trophic
Definition
The word _______ means literally “to feed.”
Term
The Sun
Definition
For a terrestrial ecosystem, the ultimate source of energy input is _______.
Term
Detritivores
Definition
Consume particulate or bulk dead organic material and, thus, must be animals.
Term
Decomposers
Definition
The most numerous organisms, use wastes, and occur at all trophic levels.
Term
Primary Producers
Definition
Occur at the bottom of a pyramid of energy.
Term
Oceanic Evaporation
Definition
Most of the water vapor in the atmosphere on earth comes from _______.
Term
Carbon
Definition
_______ can occur as dissolved carbonates or bicarbonates, carbon dioxide, or plant cellulose.
Term
Respiration, Volcanoes, Burning Coal, or Diffusion from the Ocean.
Definition
Carbon can be put into the atmosphere by _______.
Term
Carbohydrates
Definition
Carbon enters animals in the form of _______.
Term
Atmosphere
Definition
The greatest concentration and source of nitrogen on earth is the _______.
Term
Nitrogen
Definition
Plants utilize _______ in the forms of ammonia and nitrates.
Term
Eutrophication
Definition
Sharp increases in nutrient, especially N and P, concentrations can lead to _______ in a body of water.
Supporting users have an ad free experience!