| Question |
 |
|
| Answer |
|
|
| Collagen |
Three stranded protien, unique to animals, that combines to form strong, flexible fibers. |
| Homeotic |
Genes that control early devolepment in animals. |
| Homeobox |
Genes that define the head to tail pattern of development in early animal embryos; also call Hox genes. |
| Vertebrate |
Animal with an internal segmented backbone. |
| Invertebrate |
Animal without a backbone. |
| Phylum |
Group of animals defined by structural and functional characteristics that are different from every other animal phylum. |
| Bilateral Symmetry |
Body plan of some organisms in which the body can be divided equally along one plane. |
Cardio Block2anatomy
