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1st part of 2nd seme
Biology
| Question | Answer |
|---|---|
| An animal with no body cavities | Acoelomate |
| Animal with a body plan that can be divided down it's length into a similar body plan; Mirror images | Bilateral Symmetry |
| Hollow ball of cells in a layer surrounding a fluid-filled space | Blastula |
| Fluid-filled body cavity surrounded by mesoderm | Coelom |
| Animals who mouth develops from cells other than those at the opening gastrula | Deuterostome |
| Layer of cells on the inner surface of the gastrula | Endoderm |
| Layer of cells on the outer surface of the gastrula | Ectoderm |
| Hard covering on the outside of some animals | Exoskeleton |
| Animal embryo development stage where cells on one side of blastula move inward forming a cavity of two or three layers of cells with an opening at one end | Gastrula |
| Animal that not has a backbone | Invertebrate |
| Middle cell later in the gastrulae, between the ectoderm and the endoderm | Mesoderm |
| Animals with a mouth that develops from the opening in the gastrula | Protostone |
| Fluid-filled body cavity partly lined with mesoderm | Pseudocoelom |
| An animal's body plan that can be divided along ant plane, thought a central axis, into roughly equal halves | Radial symmetry |
| Organism that is permanently attached to a surface | Sessile |
| An animal with an endoskeleton and a backbone | Vertebrate |
| Fertilization that occurs outside the animal's body | External Fertilization |
| Method in which food particles are filtered from water as it passes by or through some part of the organism | Filter-feeding |
| In cnidarians, a large cavity in which digestion takes place | Gastro vascular cavity |
| An animal that cannot make their own food and must feed on other organisms for energy and nutrients | Hermaphrodite |
| Fertilization that occurs inside the female's body | Internal Fertilization |
| A cnidarians body form that is umbrella-shaped with tentacles that hang down | Medusa |
| Simple netlike nervous system in cnidarians that conducts mere impluses form all parts of the cnidarains body | Nerve net |
| In cnidarains, a capsule that contains a coiled, threadlike tube that may be sticky, barbed used in capturing prey | Nematocyst |
| In planarains, the tube lie, muscular organ that extends from the mouth | Pharynx |
| A disease caused by the roundworm | Trichnosis |
| A section of a tapeworm that contains muscles, nerve, flame cells, and reproductive organ | Proglottid |
| A cnidarains body form that is bubble shaped with a mouth surrounded by tetnacles | Polyp |
| Replacement or regrowth of missing parts | Regeneration |
| Knob shaped head of a tape worm | Scolex |
| Sac with muscular walls and hard particles that grind soil before it passes into the intestine | Gizzard |
| Organs that remove metabolic wastes from an animals' body | Nephridia |
| In some snails and mollusks, the raspings, tonguelike organ used to drill scrape and grate or cut food | Radula |
| Tiny bristles that help segmented worms by anchoring their bodies in the soil so each segment can move the animal along | Setae |
| Any structure, such as a leg or an antenna, that grows out of an animals body | Appendage |
| Gas exchange system found in some arthropods where air-filled chambers have plates of folded membranes that increase the surface are of tissue exposed to the air | Book Lung |
| Structure in some arthropods formed by to the fusion of the head and the thorax | Cephalothorax |
| First pair of an arachnid's six pairs of appendages | Chelicerae |
| In arthropods, a visual system composed of multiple lenses | Compound Eye |
| In insects, the free living, wormlike stage of metamorphosis, sometimes called a caterpillar | Larva |
| In arthropods, tubules located in the abdomen that are attached to an empty waste in the intestine | Malpghain |
| In arthropods, mouthparts adapted for holding, chewing, sucking, or biting various foods | Mandible |
| In arthropods, the periodic shedding of an old skeleton | Molting |
| Stage of incomplete metamorphoses where an insect hatching from an egg has the same general apperance as the adult insect but is simaller and sexually imature | Nymph |
| Second pair of an arachnids six pairs of appendages that are often adapted for handling food and sensing | Pedipalps |
| Chemical signals given off by animals to engage in specific behaviors | Pherome |
| Type of asexual reproduction in which a new indivdual from an unfetilized egg | Parthenogenesis |
| Stage of insect metamorphosis where tissue and organs are broken down and replaced by adult tissues | Pupa |
| Visual structure in arthropods that uses one lens to detect light and focus | Simple Eye |
| Skill-producing glands located at the rear or a spider | Spinneret |
| Hollow passages in some arthropods that transport are throughout the body | Tracheal tube |
| In enchinoderms the round muscular structure on a tube foot that aids in movement | Ampulla |
| In enchinoderms, the sieve like, dish shaped opening through which water flows in and out of the ater vascualar system | Madreporite |
| Long semi rigid, rod like structures found in all chrodate embryos that is located between the digestive system and dorsal hollow nerve cord | Notochord |
| Pincer like appendages on enchinoderms used for protection and cleaning | Pedicellaria |
| Paired openings located in the pharynx behind the mouth of a chordate embryo | Pharyngeal pouch |
| Long tapered arms of some echinoderms that are covers with short, rounded spines | Rays |
| In Enchinoderms, hollow, thin walled tubes that end in a suction cup | Tube feet |
| In Enchinoderms the hydraulic system that perates under water pressure | Water Vascular System |
| Openings through which air enters and leaves an athropods body | Spiracle |
| Major adapation in land animals, amoniotic sac encloses an embryo and provides nutrients and pretection fromthe outside environment | Amniotic Egg |
| Though flexible material making up the sekeletons of agnathans, sharks, and their relatives, as well as portions of bony-animal skeletons | Cartilage |
| Animal that has a variable body temperature and derives its heat from external tissue of an animal | Ectotherm |
| Fan shaped membranes used for balance, swimming, and steering. | Fin in fishes |
| Line of fluid filled canals running along side if a fish that enable the fishh to detect movement and vibrations in the water | Lateral Line Symmetry |
| Tiny bony plates that come in a variety of shapes and sizes formed from the skin of many fishes and reptiles | Scale |
| Method of reproduction in fishes and some other animals where a large number of eggs are fertilized outside the body | Spawning |
| Thin-walled internal sec foundjust below the bacbone in bonefishes | Swimming bladder |
| Sound producing bands of tissie in the throat that produces sound as air passes over them | Vocal Cord |
| Animal that maintains a constant body temp that is not dependent on environment temp. | Endotherm |
| Lightwight, modified scale found only on birds, provides insulations and enables flight | Feather |
| Process of keeping eggs laid outside of body warm | Incubate |
| In snakes, a pitlike sense organ on the roof of the mouth thta picks up and analyzes airbone chemicals | Jacobson's Organ |
| Large breastbone that provides a site muscles attachment | Sternum |
| In mammals the sheet of muscles located beneath the lungs that sepeartes the chest cavity from the abdominal cavity | Diaphragm |
| In mammals, in a cell or group of cells that makes fluids | Gland |
| Time during the which placental mammals develop inside the uterus | Gestation |
| Modified swat gland in female mammals whic produce and secrete milk to feed their young | Mammary Gland |
| Subclass of mammals in which young develop for a short period in the uterus and complete their development outside of the mothers body inside a pouch made of skin and hair | Marsupial |
| Subclass of mammals that have hair and mammary glans but reproduce by laying eggs | Monotreme |
| Organ that provides food and oxygen to and removes waste from young inside the uterus of placemental mammals | Placenta |
| Reptilian ancestors of mammals that had features of both reptiles and mammals | Therapsid |
| The hollow muscular organ in which the offspring of placemental mammals develop | Uterus |
| Anything an animal does in response to a stimulus in its environment | Behavior |
| Exchange of info that results in a change of behavior | Communication |
| State of reduced metabolism that occurs in animals living in conditions of intense heat | Estivation |
| Learned behavior that occurs when an animal is repeatedly given a stimulus not associated with any punishment or reward | Habituation |
| An inheritied behavior in animals, includes automatic response and instinctive behaviors | Innate behavior |
| Complex innate behavior pattern that begins when an animal regognizes a stimuluuus and continues untill all parts of the behavior have been performed | Instinct |
| Physical space an animal defends against other ,e,bers of its species may contain a animals breeding area potential mates or all three | Territory |
| Simple automatic response in an animal that involves no conscious control | Reflex |
| Use symbols to represent ideads | Language |
| Internal need that causes an animal to act and that is necessary for learning to take place often ivolves hunger or thirst | Motivatiom |
| Instictive seasonal movements of an animal from place to place | Migration |
| Type of learning in which an animal uses previous experinces to respond to a new situation | Insight |
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