Biodiversity
Nutrient Cycles
Invasive Species
Ecological Disturbances and Adaptations
Biomes
100

This is a measurement of how many species live in an area

What is species richness?

100

This element is essential to the formation of cell membranes. It must be eroded from rocks to find its way into the biosphere

What is phosphorus?

100

Invasive species tend to thrive because they lack these.

What are predators?

100

Ecosystem disruptions alter the ________ composition of the ecosystem

Species

100

This biome is dry, usually hot, and unproductive

What is a desert?

200

Life on Earth likely originated near these

What are underwater volcanic vents?

200

This is the largest reservoir of nitrogen on Earth

What is the atmosphere?

200

This species is venomous and has devastated the Atlantic Ocean. It is believed to have escaped from an aquarium tank during a hurricane

What are lionfish?

200

If this level of a food web is wiped out, all of the trophic levels above it will collapse

What are producers/autotrophs?

200

This biome is warm, wet, and highly productive. However, its soils are low quality.

What are rainforests?

300

This is the most species-rich group of animals

What are insects?

300
All organic molecules are based on this element

What is carbon?

300

This animal is invasive in Florida and drove several mammalian species to near extinction

What are Burmese pythons?

300

This occur when toxins build up inside organisms as you move higher up the food web

What is biomagnification?

300

This is the largest biome with the greatest amount of biomass. However, it is relatively unproductive relative to its size

What are oceans?

400

This is what it's called when one species rapidly diversifies into several species

What is an adaptive radiation?

400

This is the process by which nitrogen is converted into a more useful form by living things

What is nitrogen fixation?

400

This species of snail was intentionally introduced to Hawaii to fight invasive species. However, it itself became invasive and drove many native snail species to extinction.

What is the cannibal snail?

400

This type of species can utilize a wide range of resources, and thrives during periods of ecological disruption

What is a generalist species?

400

This biome has hot summers, cold winters, and moderate annual precipitation. The soils of this biome tend to be very fertile

What are grasslands?

500

This type of species can only utilize very specific resources, and thrives during periods when Earth is stable

What is a specialist species?

500

This ratio of elements is useful in assessing the quality of soils

What is the N:P:K ratio?

500

For this question, name any two common methods by which invasive species are introduced

What is ballast water?

What is the illegal pet trade?

What is intentional introduction?

What is transportation in cargo?

500

This is the process by which carbon dioxide is absorbed into the ocean

What is ocean acidification?

500

These two variables are the main determining factors of an area's biome

What are latitude and average precipitation?

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