Crustal Features
What type of plate boundary is responsible for creating mountains and trenches?
Convergent
This plate boundary is known for causing earthquakes
Transform
What organism is always at the base of a food chain?
Producer
Humans clearing trees for resources and land development has the greatest negative impact on biodiversity and is called.
Deforestation.
Rift Valleys
At which boundary do tectonic plates slide past each other, often causing earthquakes?
Transform
What is the source of energy in all food chains and food webs
The sun
What happens to biodiversity when ecosystems are destroyed by humans?
Biodiversity decreases
Subduction
What plate boundary destroys old crust?
Convergent
What type of diagram shows multiple food chains in an ecosystem?
Food Web
Which ecosystem has the highest biodiversity?
Tropical Rainforest
Divergent
New crust is formed at which Plate Boundary?
Divergent
What role do decomposers play in an ecosystem?
They break down dead organisms
What species has a disproportionately large effect on it's ecosystem?
Keystone Species
Tectonic Plates move and create crustal features because of this phenomenon occurring in the mantle.
Convection Currents.
Which Scientist proposed the theory of continental drift?
Alfred Wegener
What is the correct order of energy flow in a food chain?
Producer -> Consumer -> Decomposer
A decrease in keystone species populations would likely cause a?
Decrease in ecosystem stability