In humans, fertility curves

a. determine the number of individuals entering a population.
b. represent reproduction rates versus age of population members.
c. do not change throughout the reproductive years.
d. are important for females and males.
e. do not affect population size.


B; Immigration also contributes to the number of individuals entering a population.

Biology & Microbiology

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An underwater volcano has erupted, and as the lava cools a new island has formed. Which types of animal species are likely to be among the first to colonize the island? (Check all that apply)  

_____  annelids _____  bats _____  birds _____  insects _____  snails _____  snakes _____  tapirs _____  tortoises 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 colonizing a new environment? What other information is related to the question?  Choose Answer:   Given what you now know, what information is most likely to produce the correct answer? Reflection 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?

Biology & Microbiology

Enzymes are a type of ________.

A. lipid B. monomer C. protein D. carbohydrate

Biology & Microbiology

Inflammation of the thin clear membrane lining the eyelid and eye is properly termed

A) keratititis B) trachoma C) ophthalmia neonatorum D) conjunctivitis E) whitlow

Biology & Microbiology

The most common bacterial cause of diarrhea that sends people to doctors in the United States is

A) Salmonella. B) Staphylococcus. C) Vibrio. D) Escherichia. E) Campylobacter.

Biology & Microbiology