Impact on Biodiversity
What is pollution?
Substance added to the environment that causes harm
What is the upper most layer of soil?
Topsoil !
What is a decomposer?
Organism that breaks down organic matter (ex. worm)
What is a limiting factor?
Prevents an increase in population or moving habitats
What is symbiosis?
The interaction between two different species
What is habitat change?
Humans destroy a habitat & native species can no longer live there
What is the middle layer of soil?
Subsoil !
What is a producer?
Produce their own food (photosynthesis)
What is carrying capacity?
Maximum number an ecosystem can sustain
What is mutualism?
Both species benefit (+) & (+)
What is climate change?
What is the bottom layer of soil?
Bedrock !
What is a consumer?
Eats other organisms for energy (ex. humans)
What is bioaccumulation?
Small particles build up inside an organism
What is parasitism?
One benefits & the other is harmed (+) & (-)
What is overexploitation?
Using a resource faster than it can be replaced.
What pH level is ideal for soil?
(on a scale of 0-14)
neutral (7)
What is a food chain?
Shows feeding relationships among organisms
(who eats who)
What is biomagnification?
Further up the food chain is more infected (magnified each chain)
What is commensalism?
One benefits and the other is unaffected (+) & 0
What are invasive species?
Non-native species that cause harm to the ecosystem
Name one of the three soil types
Loam soil, Clay soil, & Sandy soil
What is a food web?
Combination of all food chains in an ecosystem
What is eutrophication?
addition of nutrients in from run-off, increased algae & surface plants, less light can pass through, animals die & more decomposers, decomposers use all the oxygen
What type of symbiosis are clown fish and sea anemone?
mutualism !