Q: Is a head the part of an organism which usually includes the eyes? ¶
A: Yes, and ears, nose and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste, respectively.
Q: Are heads generally based on a skeletal structure that consists of a cranium? ¶
A: Yes, and jawbone, and cheekbone.
Q: Is a head composed of eyes? ¶
A: Yes, and antennae, and components of mouth.
Q: Is a head associated with the cephalization that occurred in Bilateria some 555 million years ago? ¶
Q: Is a head an evolutionary novelty resulting from the emergence of neural crest and cranial placodes? ¶
Q: Is a head three such examples? ¶
Q: Is a head an anatomical unit that consists of the skull? ¶
A: Yes, and hyoid bone and cervical vertebrae.
Q: Is a head found in the form of segmented attachments? ¶
A: Yes, and in pairs, that are usually located between the eyes.