levels of organization
a single individual in a population
What is an organism?
the role of an organism in its ecosystem.
What are niche?
a model of complex feeding relationships in an ecosystem
What is a food web?
12000 Kilocalories energy at producer level;energy available at the tertiary consumer level is.......?
What is 12 Kilocalories?
A pyramid that is not always upright and shows number of organisms at each trophic level.
What is Pyramid of numbers?
all of the abiotic and biotic factors in an area - community plus the abiotic factors
What is an ecosystem?
organisms that eat other organisms for sugars/food
What are consumers/heterotrophs?
Represent the flow of energy through feeding relationships
What are the arrows in food web/food chain?
An ecological pyramid that shows the distribution of energy among trophic levels
What is Pyramid of Energy?
Who will WIN?
What is MARCUS, of course?
All of the the populations interacting in a region
What is a community?
Each nourishment level in a food chain
What is a trophic level?
organisms that digest, break down biotic materials and examples
What are decomposers - bacteria and fungi?
10 %
What is available energy at each trophic level?
Pyramid that illustrates the biomass(total dry mass) available at each trophic level. Never upright for a marine ecosystem.
What is Pyramid of biomass?
All of the organisms in a species in an area.
What is a population?
The trophic level of organisms that eat producers contains ______________
What are primary consumers?
Label the trophic levels:
Grass-->Cricket-->Frog --->Owl
What is Producer -->Primary consumer --->secondary consumer-->secondary consumer?
Source of all energy in an ecosystem
What is the sun?
this happens to toxic pollutants as they move up the food chain
What accumulate, and increase - biomagnification?
Large regions of the earth - major regional community of organisms characterized by the similar climate, terrain.
What is biome/biosphere?
These trophic levels of consumers are often omnivores and carnivores.
What are secondary and tertiary consumers?
make their own sugars/food capturing the light energy from the sun
What are producers/autotrophs?
trophic levels in an ecosystem are limited because
What is 90% of energy is lost at each trophic level, so an ecosystem cannot sustain too many trophic levels?
Consumers that eat dead leftovers, carrions, detritus ________
What are scavengers and detritivores?