BIO 220 Topic 2 Quiz
Which of the following is not a biome?
Estuary
Which of the following best describes a keystone species:
A species that greatly alters an ecosystem if removed
Non-native species are introduces by:
All of the above (travel, settlement, use for landscaping/farming)
Which of the following terms includes all others?
Biosphere
What is the difference between R vs. K selection?
K selection has a low number of offspring and a long life span; R selection has a higher number of offspring and short life span.
Which of the following is not a characteristic of a living organism?
Movement
When 2 species require the same limited resources and can reduce the overall health of one or both species is an example of:
Competition
What is a niche?
The specific role an organism plays in an ecosystem
The quality of energy decreases every time it is transferred between trophic levels because it is inefficient. This is an example of the:
Second law of thermodynamics