Trophic Levels
What is the name for organisms that make their own food using inorganic energy?
Autotrophs
Is sand a biotic or abiotic factor?
Abiotic
Define symbiosis
"Living together" or a close relationship between 2 different species over a period of time.
What are the 2 types of ecosystems?
Aquatic and terrestrial
What are the 5 main types of biomes?
Grassland, aquatic, desert, forest, tundra
What is the model called, that demonstrates ALL nutritional relationships in an ecosystem?
Food web
Please define biodiversity.
The number and variety of species in an ecosystem.
What is it called when 1 organisms behavior, inhibits (prevents/reduces) another organisms behavior in a way that negatively impacts them?
Amenalism
What is a habitat?
An organism's environment/home
Please give me 1 species of animal from each biome.
Answers vary
What do you call an organism that eats dead animals?
Detrivore/decomposer
Explain how soil is both biotic and abiotic
Contains life (worms, bacteria, plants), as well as inorganic material (dirt, dust, rocks, sand)
In commensalism, 1 organism benefits and the other ....?
Is affected neutrally
What is the difference between community and population?
Define grassland.
A wide expanse of area in which the vegetation is dominated by a nearly continuous cover of grasses
Why is it uncommon for their to be more than 4 trophic levels in an ecosystem?
Because by the 5th trophic level, there is barely enough available energy left to sustain life.
Please give an example of a limiting factor
Answers vary (prey, vegetation, oxygen, etc)
What is an example of predation and competition?
Answers vary
What biome do you live in?
Tropical forest
What are the 3 types of forest biomes?
Boreal, temperature, tropical
Which trophic level has the least available energy? Why?
The highest trophic level (4th), because most of the energy from the producers has been wasted/used by the time the 4th trophic level consumes.
Sunlight - grass - granola bar - dog - your foot
Please sort into abiotic and biotic factors
A: sunlight, granola bar
B: grass, dog, your foot
What are the 3 most common types of symbiosis?
Mutualism - Parasitism - Commensalism
Whale = organism - please tell me the other 5 levels of ecology in that example!
Population=other whales, community=population+ fish/plants/etc., ecosystem=the coastal region where the whale+community leaves, biome=marine aquatic, biosphere=earth
Which biome is classified by it's low temperature and low precipitation?
Tundra