Biodiversity
Life
Food
Matter
Populations
100

This type of organism must consume other organisms for food.

What are heterotrophs?

100

An area classified by the biological community living there.

What is a biome?

100

These are the top 3 crops grown in the world.

What are corn, wheat and rice?

100

The total of the protons and neutrons of an atom.

What is atomic mass?

100

More than 8 billion

What is the current world population?

200

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?

200

The two primary abiotic factors that determine what biological communities will be supported somewhere

Who are temperature and precipitation?

200

These are used to kill weeds in a field.

What are herbicides?

200

Forms of an element that differ in mass.

What is an isotope?

200

The population number at which a population tends to hover around.

What is carrying capacity?

300

This type of species exhibits a j-shaped growth curve and has a fast reproduction time.

What is an r-selected species?

300

Referring to unique names given to every species.

What is binomial nomenclature, or genus and species name?

300

This term for a specific type of agriculture is for when a family grows most of their own food.

What is subsistence agriculture?

300

This is the gas that makes up 78% of our atmosphere.

What is Nitrogen (N2)?

300

The abbreviation for these terms in population dynamics is B.I.D.E.

What are Births, Immigration, Deaths and Emigration?

400

This is a species that is not from a given area but is starting to take over.

What is an invasive species? 

400

This type of plant is able to fix nitrogen in its roots.

What is a legume?

400

During this time period, there was a major boom in agricultural productivity, led initially by Norman Borloug.

What is the Green Revolution?

400

Compounds that have either carbon-carbon or carbon-hydrogen bonds.

What are organic compounds?

400
This broad grouping of countries tends to have higher fertility rates.

What are developing countries?

500

In this species interaction, one species benefits while the other is unaffected. 

What is commensalism?

500

Geographic isolation leads to this where two species had a common ancestor prior to isolation.

What is allopatric speciation?

500

This type of plant is from specific breeding for a specific desired trait.

What is a hybrid?

500

The type of bond in which atoms share electrons in their outer orbital.

What is a covalent bond?

500

This total fertility rate would lead to stable populations (neither growing nor shrinking).

What is 2?