### rate:

Metabolic rate
* are rates.
* can be several hundred times lower with huge energy savings.
* declines proportionately with the decline in total protein tissue.
* determines the number of calories a person requires per day.
* has to be lower in larger species if they are to avoid burning up.
* increase in warm water and even more oxygen is needed.
* is an important and often overlooked variable in energy imbalances
  - oxygen uptake over a fixed period of time, adjusted for body weight
  - temperature dependent in woodlice
  - temperature-dependent in woodlice
  - the pace at which energy is used by an organism
* is the rate at which food is burned for energy
  - heat is produced as the body breaks down ingested foods
  - speed with which the body burns up food
* remains high, so calorie deficit pays off in proportional weight loss.
* rise and internal vapor pressure increases.
* vary considerably with activity and type of organism.

Morbidity rate
* are very low, especially rectal morbidity.
* tend to increase with age, then fall off for the oldest age group.

### rate:

Mortality rate
* appear to be within the ranges observed for the Pacific congeners.
* are difficult to relate to nutritional status.
* are high in many areas, such as the Gulf of Maine
  - the first year, particularly if food is scarce or rains come too soon
  - higher in patients with complete spinal cord transections
  - rates
  - slightly higher in blacks than whites for both men and women
  - two to three times higher for men than women
  - unusually high for flu, especially among young, otherwise healthy adults
  - variable with the conditions the shrimp are subjected to
* can vary with virus strain pathogenicity and partial protection by vaccination.
* differ significantly by ethnicity.
* increase in relation to the daily number of cigarettes smoked
  - sharply with smaller fish
* is constant with respect to age unlike other animals
  - equivalent to the proportion who die within a particular age interval
* jump between early and late adolescence.
* provide indicators of important social arrangements.
* tend to be higher in the black population than in other ethnic groups
  - lowest during summer and highest during winter
* vary continuously and precisely with people's socio-economic status
  - greatly-impacting the very young and the very old primarily
  - shockingly between nations and even States

Murder rate
* are lower in states that have abolished the death penalty
  - without the death penalty
* vary greatly among countries and societies around the world.

Mutation rate
* Mutation Rate is the probability of mutation occurring.
* are too low to explain evolutionary rates.
* is low, but after decades of accumulated mutations, cells can become malignant.
* vary from organism to organism.

Natality
* adds to the number in a population by reproduction.
* refers to number of young individuals born or hatched per unit of time.

Pace
* VERY common Maltese surname.
* are part of walks
  - steps
* critical element in the process of spinning pewter.
* depends on derivitization, which is the conversion of a chemical compound into a derivative.
* fast gait, and used mainly in races.
* improves mental skills and makes learning faster, easier, and more efficient.
* is the key factor in conditioning that controls physical improvement
  - speed and rhythm of the system

Poverty rate
* are broadly related to economic trends which also influence population gain or loss
  - much higher in the United States than in many other industrialized countries
  - something most people understand
* remain high for certain groups of children and families
  - higher than in most other industrialized countries
  - inexcusably high, especially for children
* vary greatly among subgroups.