What is the relationship between age-specific mortality and age-specific survivorship?
a. age-specific mortality is the proportion of individuals alive at the start of an age interval; age-specific
survivorship is the proportion that die before the start of the next interval
b. age-specific survivorship is the proportion of individuals alive at the start of an age interval that die during the
age interval; age-specific mortality is the proportion that survive until the start of the next interval
c. the sum of age-specific mortality and age-specific survivorship always equals 1
d. the sum of age-specific mortality and age-specific survivorship always equals 1
e. age-specific survivorship is always greater than 1
ANSWER: c
You might also like to view...
How is it that humans can perceive multiple sounds at once?
a. Each portion of the basilar membrane vibrates at a unique frequency, and multiple regions can be stimulated at the same time. b. The more frequencies of sounds that are present, the further the sound travels into the cochlea. c. We have two ears, each perceiving a subset of frequencies in the environment. d. The fluid in the middle ear can transmit multiple frequencies to the oval window. e. Sounds reaching the left or right ear result in different nerve impulses.
What are bursae?
What will be an ideal response?
The velocity of blood flow is the lowest in capillaries because _____
A) the capillaries have internal valves that slow the flow of blood B) the diastolic blood pressure is too low to deliver blood to the capillaries at a high flow rate C) the systemic capillaries are supplied by the left ventricle, which has a lower cardiac output than the right ventricle D) the total cross-sectional area of the capillaries is greater than the total cross-sectional area of the arteries or any other part of the circulatory system
All of the following are correct about biofilms, except
A. they are harmless aggregations of microbes. B. they play an important role in recycling elements in the Earth. C. they are cooperative associations among several microbial groups. D. they can colonize medical devices. E. an example could be the scum that builds up in toilet bowls.