Column 1
The natural change in a habitat over time from one vegetation to another.
What is succession?
The process of breaking up habitats into smaller areas.
What is habitat fragmentation?
A species that requires special monitoring to prevent its becoming endangered or threatened.
What is a species of special concern?
Species that require large areas of the same habitat and don't benefit from edges.
What are interior species?
A mammal's birth is called this.
What is natality?
These organisms eat secondary consumers
What are tertiary consumers?
This legal doctrine was developed in 1842.
What is Public Trust Doctrine?
Scientific studies in which the general public can provide essential data to researchers.
What is citizen science?
Natural areas along rivers and streams.
What are riparian areas?
Three types of locomotion of terrestrial mammals.
What are plantigrade, digitigrade, and unguligrade?
An organism that walks on its toes and the ball of its foot with the heel raised.
What is a digitigrade?
Four natural causes of changes in wildlife populations.
What are immigration, emigration, mortality, and natality?
Animals whose condition warns about problems in the environment.
What are indicator species?
Three main reasons for declining amphibian populations.
What are habitat fragmentation, pollution, and non-native species?
A standing dead or dying tree.
What is a snag?
A pouch in the esophagus where some birds carry food.
What is a crop?
Two types of population management by people.
What are direct and indirect manipulation?
The most common living relationship between organisms.
What is symbiosis?
Part of the eye of many amphibians, as well as birds, reptiles, fish, and mammals, but not humans.
What is a nictitating membrane?
What are cavity nesters?
An organism whose eyes face to the side have this position in the food chain.
What is prey?
A kind of study that helps scientists estimate the abundance of a wildlife population.
What is mark-recapture studies?
Occurs on new land with no developed soil.
What is primary succession?
Many snakes are killed because they are believed to be this.
What is venomous?
Many ecosystems combine to form this.
What is the biosphere?