Each type of cone cell is stimulated by a different color of light. In humans, a colorful scene is perceived as a combination of signals from three cone types. Which colors correspond to these three cones?
I-Red
II-Yellow
III-Orange
IV-Blue
V-Green
VI-Purple
A. I, II, and III
B. I, III, and IV
C. I, IV, and V
D. I, V, and VI
E. II, IV, and VI
C. I, IV, and V
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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which trait is least informative of phylogenetic relationships within the group?
A. A
B. B
C. C
D. D
E. E
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 cladistics?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
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?
Which of the following features of a pathogen is not considered to be a virulence factor when establishing infection within host?
A. Attachment fimbriae B. Slime layer C. Pigment production D. Protein spikes
Members of which group are known to form blooms known as red tides?
a. green algae b. red algae c. euglenoids d. dinoflagellates e. brown algae
By definition, a direct parasitic life cycle includes two different species of hosts to complete its life cycle
a. true b. false