The ultimate source of energy for an ecosystem
What is the sun
The entire portion of Earth which is alive/can support life
What is the biosphere?
When a certain factor such as temperature is too extreme for a population to survive in at all, the factor is said to be in this zone
What is the zone of intolerance
Transpiration is the ___________of water from the inside of leaves and plants into the atmosphere
What is evaporation
A consumer which only eats plants
What is an herbivore
The many living organisms occupying the same space, such as all the animals, plants, fungi, and microbes that live in one forest, are called this
What is a (biological) community
These cellular processes are critical to the carbon and oxygen cycle
What are photosynthesis and respiration
Organisms that make their own food have these two names
What are autotrophs and producers
What is a nutrient?
This biogeochemical cycle involves the transformation of an unusable atmospheric form of a nutrient into a usable form
What is the nitrogen cycle
This kind of consumer eats producers
What is primary consumer
Organisms that eat plants or other animals can be called these two names
What are heterotrophs or consumers
When the number of consumers in a higher level of the food pyramid grows, this can happen to the level below
What is a decrease in population
Phosphorus is often freed from long-term "storage" and made available for autotrophs when this happens
What is erosion/weathering
Energy is lost in this way as you move up the pyramid/across the food chain
What is heat
This happens to a population's size when a certain factor is within the zone of physiological stress
What is the population shrinking in size as some individuals die off
Carbon and oxygen enter a long-term cycle when this happens
What is getting trapped in calcium carbonate on the ocean floor?