The oldest known fossils suggest that the __________ may have been the first plants to inhabit land
a. mosses
b. hornworts
c. ferns
d. angiosperms
e. liverworts
E
You might also like to view...
What adaptations are observed in trachea and lungs to reduce water loss?
A) A countercurrent exchange system reduces water loss in animals with either trachea or lungs. B) The location of the trachea and lungs (inside of the body) reduces water loss. C) Trachea and lungs secrete specialized oxygen-carrying chemicals to reduce water loss. D) Limbs are used by animals with trachea or lungs to move water over these structures.
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?
Select the incorrect statement related to sarcomere structure and function.
A. Two Z lines form the opposite borders of one sarcomere. B. Thin filaments are not present in the H band of a sarcomere. C. I bands consist of both thin and thick filaments. D. Stacks of thick filaments produce dark bands, called the A band. E. Sacromeres are the smallest subunits of muscle contraction.
In his monohybrid crosses, Mendel deduced that one trait was recessive because that trait was ____
a. not present in the F1 and did not reappear in the F2 b. present in the F1 and in the F2 c. not present in the F1 and reappeared in the F2 d. present only in the parents e. present only in the F2