Use Chapters 15, 16, 17 to complete this.
blue carrying capacity commensalism competition density dependent dispersion ecology green independent k m mutualism niche parasitism pink population primary purple secondary size succession symbiosis u yellow z
consists of all the individuals of a species that live together in one place at one time.
2. One of the most important features of any population is its population
, the number of individuals in a population.
3. A second important feature of a population is
, the number of individuals that live in a given area.
4. A third feature of populations is
, which refers to the way the individuals of the population are arranged in space.
5. The population that an environment can sustain is called the
6. Factors that affect a population no matter what the density is are said to be density
factors can only affect a population when it reaches a certain density.
8. The study of the interactions of living organisms with one another and with their environment is called
9. Figure A is showing the process of
succession is faster than
succession because there is already soil in place.
11. Using the food chain picture, where should each of these go? elk=
is the fundamental role of a species in an ecosystem.
is a relationship in which both participating species benefit.
14. When one organism feeds on and usually lives on or in another larger organism it is
is a relationship in which one species benefits and the other is neither harmed nor helped.
is two or more species living together in a close, long-term relationship.
17. When two species use the same resource
18. Using Figure B, match each trophic level to its color. Producers=
; tertiary consumers=
; quaternary consumers=
; primary consumers=
; secondary consumers=