Which trait is found within all human cultures?
a. Parasitism
b. Infanticide
c. Selfish herd
d. Predation
e. Eusociality
b
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Atrial natriuretic hormone (ANH) stimulates the kidneys to excrete salt and water in the urine. Why does it make sense that the heart is the source of ANH?
A. The heart is a major endocrine organ that releases several hormones. B. ANH helps regulate blood pressure, which is sensed by distension of the heart atria. C. The heart is conveniently close to the hypothalamus. D. Secretion of hormones by the heart makes it easy for them to enter the bloodstream. 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 atrial natriuretic hormone? 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? 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 viral life cycle would result in a quicker death for an infected cell?
A. The prophage cycle B. The retroviral cycle C. The lysogenic cycle D. The lytic cycle
The birth process in mammals provides an example of positive feedback
Indicate whether the statement is true or false.
There are three aspects of entire populations that are important and often studied. Select the best choice from the ones listed.
A. a population's range, the pattern of spacing of individuals within the range, and the size that the population attains B. a population's range, the amount of food available within the range, and the size that the population attains C. a population's range, the parental care received by each offspring within the population, and the size that the population attains D. a population's range, the size home range of an individual in the population, and the parental care expended for each offspring