What is true of a fossil that is classified as a "transitional form"?
A. It has all of the traits of its ancestors and all of the traits of its descendants.
B. It has some of the traits of its ancestors and all of the traits of its descendants.
C. It has all of the traits of its ancestors and some of the traits of its descendants.
D. It has some of the traits of its ancestors and some of the traits of its descendants.
D. It has some of the traits of its ancestors and some of the traits of its descendants.
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Stimulus
Match the letter of each example from childbirth to the appropriate component of a positive feedback loop. A. pituitary gland secretes oxytocin, which acts on the uterus B. uterine contractions increase C. fetus is pushed against uterine opening D. receptors detect stretch E. brain receives and compares stretch information 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 positive feedback? 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?
Genetic counseling provides information to allow informed decisions about reproductive choices. Indicate whether the statement is true or false
Which of the following is a feature of prokaryotic cells but NOT eukaryotic cells?
A) pili B) cell wall C) flagella D) DNA
What is the main function of the colon?
A) to control nutrients it will send to the rest of the body B) to absorb water and vitamin K C) to complete the digestion of lipids D) to digest and absorb carbohydrates