Cosmid cloning vectors accomodate much larger fragments of DNA than bacterial artificial
chromosomes.
__________________ Indicate whether the statement is true or false.
F, smaller
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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?
Corals in a tropical reef provide protection from ocean waves and currents to the other species that live there and have the greatest influence on the reef community. The corals are a(n) ______ species.
a. invasive b. foundation c. pioneer d. keystone
The wood in a match is made of cellulose, a polymer of glucose molecules. When you light the match heat and light are given off, indicating that a(n) ________ reaction is occurring.
A. endergonic B. kinetic energy C. exergonic D. potential energy E. equilibrium
Where a branching point in a phylogenetic tree is called a ________, it illustrates that ________ has occurred.
A. clade; cladogenesis. B. node; cladogenesis. C. break; anagenesis. D. node; anagenesis. E. break; extinction of a species.