input: OPTIONS:
- red blood cells
- oxygen
- blood pressure
- hormones Now, answer this question: Answer the following question given this paragraph: Figure 43.17 Rising and falling hormone levels result in progression of the ovarian and menstrual cycles. (credit: modification of work by Mikael Haggstrom). Q: Rising and falling levels of what will result in progression of the ovarian and menstrual cycles? A:
A:
output: hormones

Answer the following question given this paragraph: The kidneys ( Figure below ) are important organs in maintaining homeostasis , the ability of the body to maintain a stable internal environment despite a changing environment. Kidneys perform a number of homeostatic functions. Q: What paired human organs play a vital role in maintaining homeostasis? A:

OPTIONS:
- lungs
- ears
- eyes
- kidneys

Answer: kidneys

Problem: OPTIONS:
- memory
- instinctive behavior
- juvenile behavior
- learned behavior
Q: Answer the following question given this paragraph: Learned behavior is behavior that occurs only after experience or practice. Q: What kind of behavior occurs only after experience or practice? A:
Answer: learned behavior

Problem:OPTIONS:
- thermal
- organic
- circulatory
- vascular

Answer the following question given this paragraph: Each root is made of dermal, ground, and vascular tissues. Q: Each root is made of dermal, ground, and what type of tissue? A:
****
A: vascular

Answer the following question given this paragraph: Crystalline solids are generally classified according the nature of the forces that hold its particles together. These forces are primarily responsible for the physical properties exhibited by the bulk solids. The following sections provide descriptions of the major types of crystalline solids: ionic, metallic, covalent network, and molecular. Q: What kind of solids are generally classified by the forces that hold their particles together and include ionic, metallic, covalent network, and molecular types? A:
OPTIONS:
- distinct solids
- helium solids
- flat solids
- crystalline solids
crystalline solids

Answer the following question given this paragraph: Duplications (or amplifications ) lead to multiple copies of a chromosomal region, increasing the number of the genes located within that region. Some genes may be duplicated in their entirety. Q: What leads to multiple copies of a chromosomal region? A:
OPTIONS:
- minimilizations
- gene modification
- subtractions
- duplications (or amplifications )

Answer:
duplications (or amplifications )