AP Biology Ecology Crossword Puzzle

A land area that is covered with a shallow layer of water during some or all of the year
A permanently frozen soil layer
behavior that reduces an individual's fitness while increasing the fitness of another individual
A symbiotic relationship in which both participants benefit
An extremely cold, dry biome
Any form of behaviour associated with aggression, including threat, attack, appeasement, or flight
The study of social behavior based on evolutionary theory
a sequence of unlearned acts that is essentially unchangeable and, once initiated, usually carried to completiona sequence of unlearned acts that is essentially unchangeable and, once initiated, usually carried to completion
A species that is not necessarily abundant in a community yet exerts strong control on community structure by the nature of its ecological role or niche
Referring to a type of relationship in which one male mates with just one female
The number or individuals per unit area or volume
A group of individuals of the same species that live in the same area and interbreed, producing fertile offspring
All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction
awareness, reasoning, recollection, and judgment
The science of animal behavior
Dead organic matter
The area where a freshwater stream or river merged with the ocean
Any of the world's major ecosystem types
A type of ecological succession that occurs in an area where there were originally no organisms present and where soil has not yet formed
A scrubland biome of dense, spiny evergreen shrubs
The maximum population size the can be supported by the available resources, symbolized as K
A symbiotic relationship in which one organism benefits but the other is neither helped not harmed
The study of changes over time in the vital statistics of populations, especially birth rates and death rates
All the organisms in a given area as well as the abiotic factors with which they interact
In animal behavior, the formation at a specific stage in life of a long lasting behavioral response to a specific individual or object
A group of individuals of the same age in a population
A gradual reduction in the strength of a response when a stimulus event is presented repeatedly
A change in activity or turning rate in response to a stimulus
In a lake, the well-lit, open surface waters far from shore
A polygamous mating system involving one female and many males