In mammals, the presence of four limbs is ________, and hair is ________
A) a shared derived character; a shared ancestral character that places mammals in the tetrapod clade
B) a shared ancestral character; a shared derived character unique to mammals
C) a homologous feature; an analogous feature
D) monophyletic; parsimonious
Answer: B
You might also like to view...
Why are fewer offspring produced during sexual reproduction than asexual reproduction?
a. Sexual reproduction produces less fit offspring, so fewer need to be produced. b. Sexual reproduction takes longer than asexual reproduction. c. Only the females can produce offspring, which limits the number of offspring created. d. Only the males can produce offspring, which limits the number of offspring created.
The amino acid sequences of human and bonobo hemoglobin are almost identical, yet they differ considerably from the sequence of the hemoglobin of wolves. This fact indicates that
A) bonobos are more closely related to humans than to wolves. B) wolves and bonobos are closely related. C) humans are more closely related to wolves than to bonobos.
Explain the importance of base pairing interactions during the intron splicing process
What will be an ideal response?
Chordae tendineae:a
hold the AV valves in place. b. contract when the heart contracts. c. are one part of the conductance system of the heart. d. regulate blood flow into the ventricles. e. are stretched during ventricular systole