Define
Define ecology.
Study of life
What is the more scientific name for the water cycle?
The hydrologic cycle
What are the common levels of a foodweb?
Primary producers, consumers (1-3), decomposers
List some biotic and abiotic factors of streams
Biotic factors of a stream are all the living organisms, such as fish, algae, and aquatic plants, while abiotic factors are the non-living components that affect the ecosystem, like water temperature, sunlight, rocks, and dissolved oxygen levels
Who started the idea of natural selection- organic evolution?
Charles Darwin
Define symbiotic relationship
A symbiotic relationship is a close and long-term interaction between two different species
What percent of the Earth's water is the ocean?
97%
Which direction do the arrows in a food wbe go?
Prey to predator
Fish------>Bear
What is a stream?
A stream is a continuous body of surface water flowing within the bed and banks of a channel
What is a keystone species?
Define niche.
The role, or way of life of a species within its environment.
What are the three forms of water?
Water, ice, water vapor
What is a producer?
An organism that can make its own food through photosynthesis.
Where does the water from streams orginate from?
What is an invasive species?
An invasive species is a non-native organism that establishes itself in a new environment and causes harm to the local ecosystem, economy, or human health
Define commensalism.
Only one species benefits without harming or benefitting the other.
What is transpiration?
A process where plants lose water through the stomata on their leaves
What is a decomposer?
Organisms that break down dead material
What are threats to streams?
Human impact, drought, beavers
Why is studying ecology cool?
Idk whatever they say is good
Define ecosystem.
a community of living organisms (biotic factors like plants and animals) interacting with each other and their non-living environment (abiotic factors like weather, soil, and water)
List the steps of the water cycle
Evaporation, Condensation, Precipitation, Collection
What percent of energy moves from trophic level to trophic level?
10%
Give an example of a niche within a stream
Whatever they say is probably right
What are wetlands?
A wetland is a transitional area of land that is saturated with water, either permanently or seasonally