Which of the following types of behavior describes the way that mice find their way through mazes?
A. Habituation
B. Imprinting
C. Reasoning
D instinct
E. Trial and error
Ans: E. Trial and error
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Nitrification of ammonia occurs when ammonia is first converted to nitrite and then is converted to nitrate by the nitrogen-fixing bacteria.
Answer the following statement true (T) or false (F)
What is the main difference between covalent and ionic bonds?
a. Ionic bonds share electrons between atoms, while covalent bonds transfer electrons between atoms. b. Covalent bonds share electrons between atoms, while ionic bonds transfer electrons between atoms. c. Ionic bonds form between hydrogen and other atoms, while covalent bonds do not use hydrogen. d. Covalent bonds form between hydrogen and other atoms, while ionic bonds do not use hydrogen.
Increased use of MRI technology has resulted in a surprising medical dilemma. Scans used for early detection of tumors often reveal benign internal growths that would otherwise have gone undetected, called incidentalomas. This creates the problem of determining whether the growths are harmful without performing needless surgeries. Assume that you have found a pituitary incidentaloma in one of your patients. What blood tests could you perform to determine whether it is causing dysfunction? (Check all that apply.)
_____ adrenococrticotropic hormone (ACTH) _____ luteinizing hormone (LH) _____ antidiuretic hormone (ADH) _____ melanocyte-stimulating hormone (MSH) _____ calcitonin _____ melatonin _____ follicle stimulating hormone (FSH) _____ oxytocin _____ glucagon _____ prolactin (PRL) _____ growth hormone (GH) _____ thyroid-stimulating hormone (TSH) _____ insulin _____ thyroxine
The poison warfarin was once the most popular form of rat control. Eventually warfarin-resistant rat populations emerged so people stopped using warfarin for rat control. Since then, the frequency of warfarin-resistant rats has once again declined. What may be the reason for this?
What will be an ideal response?