Ecosystems (Unit 1)
Biodiversity (Unit 2)
Population Dynamics (U3)
Earth Systems (Unit 4)
Land and Water Use (U5)
100

The interconnected feeding relationships within an ecosystem are called this.

What is a Food Web?

100

The term used to describe non-native species that harm native ecosystems.

What are invasive species?

100

The maximum population size that an environment can sustainably support is called this.

What is carrying capacity?

100
This is the most abundant gas in Earth's atmosphere.

What is Nitrogen (N2)?

100

The concept of overusing a shared resource to the point of depletion.

What is The Tragedy of the Commons?

200

The percentage of energy transferred between trophic levels in an energy pyramid.

What is 10%? or What is the 10% rule?

200

The type of biodiversity that measures the variety of ecosystems in a region.

What is ecosystem diversity?

200
Populations that exhibit rapid growth in response to favorable conditions are described as this type.

What are r-selected species?

200

These tectonic plate boundaries are associated with the formation of mountains.

What are convergent boundaries? 

200

This technological advancement period gave way to urbanization and rapid population growth.

What is the industrial revolution?

300

The largest reservoir of fresh water on Earth is this.

What are ice caps and glaciers?

300

Ecosystem benefits such as recreation and ecotourism fall into this category of ecosystem services.

What are cultural services?

300

The population doubling time can be calculated using this.

What is the rule of 70?

300

This process describes the breaking down of rocks by chemical or physical means.

What is weathering?

300

The introduction of agricultural practices designed to feed a rapidly growing population was categorized as this.

What is The Green Revolution?

400

This term refers to the total amount of energy captured by producers through photosynthesis in an ecosystem or population.

What is gross primary productivity? (GPP)

400

The process by which an ecosystem recovers after a disturbance, starting with pioneer species.

What is ecological succession?

400

This population is known to have fewer offspring and have higher degrees of parental care.

What are K-selected species?

400
This is the outermost layer of the atmosphere.
What is the exosphere?
400

The process by which crops are bred to exhibit more desirable traits is called this.

What is artificial selection?

500

In the nitrogen cycle, this process converts nitrogen gas into ammonia, making it usable for plants.

What is nitrogen fixation?

500

This is the study of ecological relationships and distribution of organisms on islands.

What is Island Biogeography?

500

This diagram type is used to predict future population trends based on age distribution.

What is an age structure diagram?

500

This periodic phenomenon involves the warming of surface waters in the tropical East Pacific.

What is El NiƱo?

500

This describes crops that have beneficial genes introduced into their genomes.

What are genetically modified organisms? (GMOs)