What would be the growth rate (r) of an island population of 1000 that has 30 births per 100 population, 20 death per
100 population, 5 immigrants per 100 population, and 10 emigrants per 100 population?
a. +5
b. ?50
c. +50
d. ?150
e. +150
c
You might also like to view...
What change would result for a land snail that had a mutation interfering with chitin formation?
A. It would have a soft, demineralized shell. B. It would have difficulty feeding. C. It could not form its exoskeleton. D. Molting would not be possible. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about mollusk feeding and shell formation? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which type of cell produces proteins that form the tough, water-insoluble layer in the skin?
a. melanocytes b. Granstein cells c. keratinocytes d. Langerhans cells e. pigmented cells
Conjugation, transduction, and transformation all occur in nature
Which do you expect would more likely account for the acquisition of the genes for resistance to an antibiotic? Why? Which do you think would best account for the acquisition of genes from one bacterial species by another of a different genus? Why?
Which of the following statements regarding Staphylococcus aureus in FALSE?
A) Staphylococcus aureus sometimes can be found in the blood samples of healthy individuals. B) Staphylococcus aureus is a normal flora organism of nose and throat. C) Staphylococcus aureus is often resistant to common antibiotics. D) Staphylococcus aureus is commonly found in the stomach. E) Staphylococcus aureus is a halotolerant bacterium.