Apologia Biology Vocabulary- Module 11: The Invertebrates of Kingdom Animalia (2nd edition)
Vocabulary from Module 11, from Apologia's High School Biology Course Exploring Creation With Biology, by Dr. Jay Wile and Marilyn F. Durnell (2nd edition). There is also a crossword puzzle with these vocabulary words at e-learninglinks.com.
Terms : Hide Images [1]
| 61421532 | Invertebrates | Animals that lack a backbone | |
| 61421533 | Vertebrates | Animals that possess a backbone | |
| 61421534 | Spherical symmetry | An organism possesses spherical symmetry if it can be cut into two identical halves by any cut that runs through the organism's center. | |
| 61421535 | Radial symmetry | An organism possesses radial symmetry if it can be cut into two identical halves by any longitudinal cut through its center. | |
| 61421536 | Bilateral symmetry | An organism possesses bilateral symmetry if it can only be cut into two identical halves by a single longitudinal cut along its center which divides it into right and left halves. | |
| 61421537 | Epidermis | An outer layer of cells designed to provide protection | |
| 61421538 | Mesenchyme | The jellylike substance that separates the epidermis from the inner cells in a sponge | |
| 61421539 | Collar cells | Flagellated cells that push water through a sponge | |
| 61421540 | Amoebocytes | Cells that move using pseudopods and perform a variety of functions in animals | |
| 61421541 | Gemmule | A cluster of cells encased in a hard, spicule-reinforced shell | |
| 61421542 | Polyp | The sessile, tubular form of a cnidarian with a mouth and tentacles at one end and a basal disk at the other | |
| 61421543 | Medusa | A free-swimming cnidarian with a bell-shaped body and tentacles | |
| 61421544 | Epithelium | Animal tissue consisting of one or more layers of cells that have only one free surface, because the other surface adheres to a membrane or other substance | |
| 61421545 | Mesoglea | The jelly-like substance that separates the epithelial cells in a cnidarian | |
| 61421546 | Nematocysts | Small capsules that contain a toxin which is injected into prey or predators | |
| 61421547 | Testes | Organs that produce sperm | |
| 61421548 | Ovaries | Organs that produce eggs | |
| 61421549 | Anterior end | The end of an animal that contains its head | |
| 61421550 | Posterior end | The end of an animal that contains its tail | |
| 61421551 | Circulatory system | A system designed to transport food and other necessary substances throughout a creature's body | |
| 61421552 | Nervous system | A system of sensitive cells that respond to stimuli such as sound, touch, and taste | |
| 61421553 | Ganglia | Masses of nerve cell bodies | |
| 61421554 | Hermaphroditic | Possessing both the male and the female reproductive organs | |
| 61421555 | Regeneration | The ability to regrow a missing part of the body | |
| 61421556 | Mantle | A sheath of tissue that encloses the vital organs of a mollusk, secretes its shell, and performs respiration | |
| 61421557 | Shell | A tough, multilayered structure secreted by the mantle, generally used for protection, but sometimes for body support | |
| 61421558 | Visceral hump | A hump that contains a mollusk's heart, digestive, and excretory organs | |
| 61421559 | Foot | A muscular organ that is used for locomotion and takes a variety of forms depending on the animal | |
| 61421560 | Radula | An organ covered with teeth that mollusks use to scrape food into their mouths | |
| 61421561 | Univalve | An organism with a single shell | |
| 61421562 | Bivalve | An organism with two shells |