1 Flashcards
The dependent variable is the what?
Responding variable
Abiotic factors
Nonliving parts of the environment
Biotic factors
all of the living factors that directly or indirectly affect the ecosystem such as producers and consumers
What must there be for a stable ecosystem
Constant supply of energy, living organisms that can incorporate the energy into organic compounds, recycling of materials between organisms and the environment
Producers
Any plant that manufactures food that photosynthesis
Niche
An organisms role in an ecosystem usually eating role
Consumers
Eat producers, all animals are consumers
Decomposers
Break down dead organisms and make their materials available to other living things
What is an organisms habitat determined by
Abiotic and biotic factors
Mutualism
Both organisms benefit from the relationship
Parasitism
One organism benefits and the other is harmed
Commensalism
One organism benefits and there is no effect on the other
Biosphere
The regions of the surface occupied by living organisms
Biome
A biome is a specific environment that’s home to living things suited for that place and climate. A desert biome is great for a lizard, but a koala needs the leafy greens of a forest biome.
Logistic growth
When the growth rate decreases or planes out when the population reaches carrying capacity