Dog breeders produced the long body and short legs of a dachshund by employing ____ selection
a. dominant
b. directional
c. stabilizing
d. disruptive
e. sexual
ANSWER: b
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Choose the true statement about the morphological data in the chart shown below. The "1" in the box means the trait is present and the "0" indicates that the trait is absent.(Note: All of the characteristics across the top of the columns are considered "TRAITS" for purposes of reading the chart.).
A. All organisms in this chart share all of the derived characteristics.
B. Only the gorilla and humans share all of the derived characteristics.
C. The lamprey is the only outgroup since it has none of the derived characteristics.
D. The salamander and the tiger together are the outgroup because they only share two of the derived characteristics (jaws and lungs).
E. The shark is the outgroup since it only has one of the derived characteristics (jaws).
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about outgroups and derived characters?
Consider Possibilities
· Consider the different answer options. Which can you rule out?
Choose Answer
· Given what you now know, what information and/or problem solving approach 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?
The diarrhea that is a symptom of diseases like cholera is due to problems in the function of the
A. stomach. B. small intestine. C. large intestine. D. appendix. E. gall bladder.
Division of the cytoplasm in animal cells begins _____
a. as microtubules assemble at each pole of the nucleus b. as Golgi body vesicles are guided by microtubules to the center of the cell c. during S phase d. as rigid phospholipid bilayer is synthesized in between the dividing cells e. as a cleavage furrow is created by microfilaments in the cell's midsection
Insertion of a thin tube through the vagina into the uterus to sample fetal tissue is called ________
Fill in the blank(s) with correct word