If an environment is stable and constant, there will be fewer species in that environment.

Removal of a trophic level effects every other level in an ecosystem

Which of the following would be a primary consumer?

What is the reservoir for the sedimentary cycle in biochemical recycling?

What is the reservoir for the gaseous cycle in biochemical recycling?

Most organisms use _________________ to help obtain oxygen.

Frogs can absorb oxygen through their skin.

Humans use hemoglobin to carry oxygen throughout the body. Which element is necessary to produce hemoglobin?

Some invertebrates use hemocyanin to move oxygen throughout their bodies. What element is needed to produce hemocyanin?

All the genes that come from sexually mature individuals; all genes available in a population

When individuals move into and out of different populations

Individuals moving into a population

Individuals moving out of a population

Change in a gene

Actual genetic make up (what genes you inherit)

The physical appearance of the genes that an organism expresses

Segment of chromosome that contains information to build specific proteins

Double set of chromosomes; in humans this would equal 46

Single set of chromosomes; in humans this would equal 23

A form of a gene that codes for a trait; can be dominant or recessive

Which of the following would be an example of homozygous alleles?

Which of the following would be an example of heterozygous alleles?

From your notes...

Which of the following would be an example of stabilizing selection (natural selection that favors intermediate phenotype)?

From your notes...

Which of the following would be an example of directional selection (natural selection that selects one phenotype to the extreme)?

From your notes...

Which of the following would be an example of distributive (also called diversifying & disruptive) selection (natural selection that selects two phenotypes to the extreme)?

With natural selection, some genes are selected for which will increase gene _____________________.

With natural selection, some genes are selected against which will decrease gene frequency.

With this type of mating pattern, one male mates with one female. This could be for one breeding cycle or it could be for life.

Which mating pattern occurs when more than one male and female mate?

Vital statistics of a population

Which survivorship curve type shows the following: extremely high mortality early in life?

Which survivorship curve depicts the following: living a long life and dying at an old age?

Which survivorship curve depicts the following: rate of surviving/dying is the same for any age?

Populations are dynamic, which means they are always changing.

Population grows with no restraints and grows rapidly

Populations reach a certain size and fluctuate around that size.

When the growth of a population has reached the maximum number of individuals the environment can support, its __________________________ has been met.