Food Webs
What is a producer?
An organism that makes its own food
What is an invasive species?
An organism that is foreign and destructive to an environment.
What is an example of microevolution?
Different dog breeds
What is artificial selection?
Humans decide what traits are beneficial.
Humans putting harsh chemicals into rivers and streams?
Pollution
What is a consumer?
An organism that eats other organisms to get energy
What is a keystone species?
A species that is native and has a significantly positive impact on the ecosystem.
What is an example of macroevolution?
Dinosaurs evolving into chickens
What is natural selection?
Nature decided what traits are beneficial
What is Biomagnification?
Increase in toxicity levels as you move up the food chain.
What diagrams shows all food relationships in an ecosystem?
A food web
Elephants in asia are examples of?
Keystone species
What are homologous structures?
Structures that have the same structure, but different functions
What is an example of artificial selection?
Dog Breeds
What is Bioaccumulation?
Build up of harmful toxins in the tissues of singular organisms.
What is another name for a producer and consumer?
Autotroph and Heterotroph
Cane toads in florida are examples of?
Invasive Species
What are analogous structure?
Same function, but different structure.
What is an example of natural selection?
Evolution of long necks in giraffes.
What was our example of Biomagnification we did a lab on in class?
Mercury in the ocean.
Why are there not infinite levels in a food chain?
Not enough energy
What would happen to an ecosystem if all the keystone species died?
The ecosystem would collapse
What are vestigial structures?
Structures that exist but are no longer used.