CH 5 & 6 review

____________________ is an accidental change in DNA.

• Mutation

• Symbiosis

• Predation

____________________ is a close, long-term association between two organisms.

• Herbivory

• Symbiosis

An interaction in which an individual of one species kills and consumes an individual of another is called ___________________

• Endemic

• Predation

• Mutualism

____________________ is an interaction in which an animal eats a plant.

• Herbivory

• Omnivore

• Carnivore

The very bottom of a body of water is called the ____________________ zone.

• Photic

• Benthic

• Neritic

____________________ are areas of land that are flooded with water at least part of the year.

• Drylands

• Wetlands

• Mountains

Areas nearest a river’s course that are flooded periodically are said to be within the river’s ____________________.

• intershoreline

• oxbow lakes

• floodplains

The uppermost layer of an aquatic ecosystem, where there is enough sunlight for photosynthesis to occur, is called the ____________________ zone.

• photic

• aphotic

The sum total of all organisms in an area, taking into account the variety of species, their genes, their populations, and their communities, is called ____________________.

• biodiversity

• clumped dispersion pattern

• population density