Invasive Species
An non-native organism that causes harm to an organism
What is an invasive species?
First trophic level in a food web
What are producers
A close relationship between two species.
Symbiotic relationship
Describes what happens when toxins become more concentrated in the living tissue of organisms as you go up in the food chain.
What is biomagnification
Gas makes up most of the atmosphere
What is nitrogen
Why are invasive species harmful to ecosystem?
Competition for resources
What is the percent of energy passed from one trophic level to the next
What is 10%
In this symbiotic relationship both organisms benefit
What is mutualism
DDT becomes more concentrated as they move through what
What is a food chain
Plants soak up nitrates, then animals eat the plants.
What is assimilation
The reason invasive species thrive is due to their lack of _____ in their new environment
What are natural predators?
This shows paths of energy through many connections.
What is a food web
A giraffe's long neck is an example of what
what is adaptation
This banned pesticide is known for causing bird eggshells to weaken and decrease the immune system due to biomagnification.
What is DDT
This process breaks down dead stuff and waste to release ammonia.
What is Ammonification
Invasive species often cause native organisms to
What is decline or go extinct
This organism is at the bottom of the trophic level
A tick eating from a mammal is an example of this type of relationship
Parasitism
Top-level consumers are most at risk from biomagnification.
What is an Apex Predator
This process turns nitrates back into nitrogen gas and sending it to the air.
Dentrification
Invasive species often have no natural predators, so they can do this quickly in a new place.
What is overpopulate.
These animals eat only plants.
What is an herbivore
This adaptation allows a polar bear’s thick fur to helps it live in cold places
What is a structural adaptation
This poisonous metal is commonly known to biomagnify in fish and can harm human brains.
What is mercury
Turning nitrogen gas from the air into something plants can use.
What is nitrogen fixation