Random
Energy flows through a _________ starting with primary producers
What is: ecosystem
changes that occur over long periods of time that are not as nearly devastating.
What is: Long-term changes
The amount of individuals in a population being born in a period of time.
What is: Birth Rate
eats plants to obtain energy
What is: herbivores
All life is basically made up of what?
What is: Carbon
This is the process that forms a cloud and fog
What is: Condensation
many populations experience spurts or periods of exponential growth, bit it is not sustainable forever.
What is: limiting growth
The rate at which a population is increasing or decreasing.
What is: Growth rate
eats meat to obtain energy
What is: carnivores
What helps us breathe?
What is: Oxygen
What has a lot of Nitrogen in it?
What is: Fertilizer
The number of species may change drastically
What is: changing of an ecosystem
Individuals go IN to a population
What is: Immigration
eats both plants and animals to obtain energy
What is: omnivores
When water returns back to earth's surface
What is: precipitation
No Nitrogen= no amino acids=___________
What is: No proteins
What is: exponential growth
Individuals going OUT of a population.
Emigration
organisms that breakdown dead and decaying plants and animals into simpler molecules that can be absorbed
What is: decomposers
What is found in the backbone of both DNA and RNA?
What is:Phosphorus
What are the five heterotrophs?
What is: herbivores, carnivores, omnivores, decomposers, and detrivores
If an ecosystem receives an influx of a limiting nutrient, we see that population grow very quickly
What is: Algal Bloom
An organism's "job" within an ecosystem.
What is: Niche
organisms that feed on detritus particles
What is: detritivores
What do plants need to grow?
What is: Matter