During labor, what type of feedback mechanism involves the release of oxytocin, which stimulates the uterus to contract, and these contractions stimulate the release of more oxytocin resulting in ever stronger contractions?
What will be an ideal response?
positive
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Conservationists will take snow geese off the endangered species list when the population hits 10,000
If populations are sustaining growth at r = 0.088 and the population in 2001 is 3000 individuals, in what year will snow geese be taken off the endangered species list?A) between 2106 and 2109 B) between 2009 and 2012 C) between 2012 and 2015 D) between 2015 and 2018
A wolf eats a rabbit that eats grass. The wolf is a(n) ________.
A. detritivore B. consumer C. autotroph D. producer
Treponema pallidum
A. is missing several important genes essential for DNA replication. B. requires protein factors found in blood. C. lacks numerous biosynthetic pathways and thus has numerous nutritional requirements. D. is missing the pathway for peptidoglycan synthesis.
Which of the following is not true? a. Even if the total fertility rate drops to the replacement level, population will continue to increase for over 50 years
b. China has a wide-reaching family planning program. c. World population is expected to peak at 8.9 billion in 2050. d. The worldwide total fertility rate has been increasing steadily for 50 years.