Variety of forms of life in an area

The number of species in a community

Group of organisms of the same species which live in the same area and interbreed

The study of interactions between organisms and the living 

     and nonliving components of their ecosystems

Region characterized by climate & plant & animal 

    communities

Includes all of the living organisms on earth

A community of organisms and their abiotic environment.

Any organic material that has been produced in an ecosystem (the weight of all organic material)

Organisms that make organic molecules from inorganic molecules

Organism that eats other organisms

Organism that breaks down matter from dead organisms

 Prevents an organism from reaching its full potential of distribution or activity

Two different organisms living in close association with each other

Relationship in which both species benefit

Relationship in which one organism benefits while the other is unaffected

Relationship in which one organism benefits at the other organism’s expense

Gradual process of change & replacement in an ecosystem

Colonizes an uninhabited area & starts an ecological cycle

Permanently frozen layer of soil 

Warming of Earth’s surface and lower atmosphere when

     gasses absorb and reradiate infrared radiation

Condition in which needs are met for humans to survive indefinitely

Species sensitive to ecological change

Critical to the functioning of the ecosystem

Which study is conducted in the natural habit of the organism being studied?

Which study is conducted in a neutral environment with organisms receiving identical resources?

Bacteria reproduces:

Which type of reproduction results in offspring having more variation/diversity?

Juncos reproduce:

In asexual reproduction, offspring are identical clones of the parent.

In sexual reproduction, what percentage of its chromosomes does each parent pass to the offspring?

Humans breeding dogs is an example of what type of selection?

In nature vs. nurture, nature refers to what?

Which is not one of the requirements of natural selection?

Dark colored animals are more likely to survive in a forest after a fire. The dark colored animals will therefore have more offspring than light colored animals. This is an example of what type of selection?

Which one of these famous scientists believed in natural selection?

Which one of these famous scientists would agree with this statement?

If a frog loses its leg during its lifetime, its offspring will be born missing a leg.

Organism's physical appearance:

In nature vs. nurture, nurture refers to what?

Different forms of a gene:

Which famous scientist would agree with the following statement?

Giraffes with longer necks will survive better than giraffes with shorter necks. Therefore, giraffes with longer necks will reproduce more and become more common in the population over time.

Specific genes and alleles contained in an organism

In order for two individuals to be considered the same "species", they must....

Are mutations ALWAYS bad?

Are mutations in DNA passed from parent to offspring?

Which type of reproduction is the most simple?

How many children did the original two parents have?

How many FEMALE children did the original two parents have?

How many MALE children did the original two parents have?

How many of the children in the second generation are married?

How many grandchildren are shown?

Organism A is most closely related to who?

Which pair of organisms most likely shares a recent common ancestor? 

The process bacteria use to reproduce

Continuous, rapid growth of a population over time

population growth that is controlled by limited resources