This type of organism must consume other organisms for food.
What are heterotrophs?
An area classified by the biological community living there.
What is a biome?
These are the top 3 crops grown in the world.
What are corn, wheat and rice?
The total of the protons and neutrons of an atom.
What is atomic mass?
More than 8 billion
What is the current world population?
Organisms with greater fitness being more likely to survive and reproduce, passing on their genes that are more fit for their environment.
What is natural selection?
The two primary abiotic factors that determine what biological communities will be supported somewhere
Who are temperature and precipitation?
These are used to kill weeds in a field.
What are herbicides?
Forms of an element that differ in mass.
What is an isotope?
The population number at which a population tends to hover around.
What is carrying capacity?
This type of species exhibits a j-shaped growth curve and has a fast reproduction time.
What is an r-selected species?
Referring to unique names given to every species.
What is binomial nomenclature, or genus and species name?
This term for a specific type of agriculture is for when a family grows most of their own food.
What is subsistence agriculture?
This is the gas that makes up 78% of our atmosphere.
What is Nitrogen (N2)?
The abbreviation for these terms in population dynamics is B.I.D.E.
What are Births, Immigration, Deaths and Emigration?
This is a species that is not from a given area but is starting to take over.
What is an invasive species?
This type of plant is able to fix nitrogen in its roots.
What is a legume?
During this time period, there was a major boom in agricultural productivity, led initially by Norman Borloug.
What is the Green Revolution?
Compounds that have either carbon-carbon or carbon-hydrogen bonds.
What are organic compounds?
What are developing countries?
In this species interaction, one species benefits while the other is unaffected.
What is commensalism?
Geographic isolation leads to this where two species had a common ancestor prior to isolation.
What is allopatric speciation?
This type of plant is from specific breeding for a specific desired trait.
What is a hybrid?
The type of bond in which atoms share electrons in their outer orbital.
What is a covalent bond?
This total fertility rate would lead to stable populations (neither growing nor shrinking).
What is 2?