The part of Earth that is made up of biotic (living) organisms (plants, animals and bacteria).
What is the Biosphere?
100
The chemical process in which plants convert carbon dioxide (CO2) along with water (H2O) and sunlight to produce carbohydrates (CHOH) and oxygen (O2).
What is photosynthesis?
100
The least productive ecoregion on Earth
What is the Arctic?
200
The most productive ecoregion on Earth
What is the Tropical Rain Forest
200
Organisms that get their energy by eating plants
What is primary consumer?
200
Any material derived from living organisms
What is biotic?
200
No longer found on Earth
What is Extinct?
200
As far as conservation goes polar bears are classified as
What is threatened?
300
Organisms that create living matter through photosynthesis
What is a producer
300
An animal that feeds on animals that are already dead
What is a scavenger?
300
Come after lichens during succession
Moss
300
A group of organisms interrelated by the fact that each member of the group feeds upon on the one below it and is in turn eaten by the organism above it
What is a food chain?
300
An animal that feeds on other carnivores
What is a tertiary consumer?
400
The amount of energy (%) lost at each level of a food chain
What is 90%
400
A diagram used to display how much biomass is needed to support the next level on the food chain.
What is a food pyramid?
400
A mushroom is an example of a/ an
What is a Decomposer?
400
Several food chains linked together
What is a food web?
400
The total mass of all organisms per hectare
What is biomass?
500
The degree to which species are genetically diverse. The relative amount of different species.
What is biodiversity?
500
Humans are this level on any food chain
What is an apex predator?
500
An Organism that eats only insects
What is an insectivore?
500
The world's largest tree's name
What is The General Sherman?
500
Destructive human activities have led to the current rate of species extinction, which is at least ______ times higher than the expected natural rate