Examine Figure 44.1 in your text. According to this phylogeny, which of the following correctly lists the sequence in which multicellularity, tissues, and bilateral symmetry arose, from the oldest character to the most recent character?
A. multicellularity, tissues, bilateral symmetry
B. multicellularity, bilateral symmetry, tissues
C. tissues, bilateral symmetry, multicellularity
D. tissues, multicellularity, bilateral symmetry
E. That information cannot be determined
from the phylogeny.
A
You might also like to view...
What are the components of a kidney?
Ecosystems obtain essential raw materials from
a. the components of water molecules. b. mineral ions dissolved in water. c. the weathering of rocks. d. the atmosphere. e. all of these.
Which of the following contains the most cells?
A) an organism B) an organ system C) an organ D) tissue
The following steps are used to produce monoclonal antibodies. What is the fourth step?
A) A B cell is activated to produce antibodies. B) Culture the hybridoma in a selective medium. C) Fuse a B cell to a myeloma cell. D) Isolate antibody-producing B cells. E) Vaccinate a mouse.