If you were to discover a new species of animal that did not have body segments, but shed its exoskeleton and was a protostome, under the molecular phylogenetic scheme, you would allocate it to which of the following phyla?
A. Mollusca
B. Echinodermata
C. Nematoda
D. Platyhelminthes
E. Arthropoda
C. Nematoda
You might also like to view...
Synaptonemal complexes form during
A. prophase of meiosis I. B. prophase of meiosis II. C. prophase of meiosis I and meiosis II. D. prometaphase of meiosis I. E. prometaphase of meiosis II.
Naegleria fowleri may cause
A. meningitis. B. primary amebic meningoencephalitis. C. African sleeping sickness. D. AIDS.
Which molecules are the most important for a cell to protect from damage if the cell is to stay alive and reproduce?
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
Smooth muscle
A. can stay contracted for long periods of time. B. responds quickly to nervous stimulation. C. is present in specific parts of the body like the muscles of the back. D. does not respond to hormones.