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crayfish and frog
| Question | Answer |
|---|---|
| What is the difference between anterior vs posterior end? | Anterior is the front(mouth) end, while posterior(anus) is the back end. |
| What the difference between dorsal and ventral surfaces | Dorsal is back side while ventral is belly side |
| What type of symmetry does a crayfish have | Bilateral; cut in half, both sides are mirrored images |
| Function and Location of Exoskeleton | The exoskeleton provides protection, structure, and repels water |
| Function and Location of Cervical Groove | The Cervical Groove separates the head and thorax |
| Function and Location of Compound Eyes | Head; eyes are made of many individual light detectors which send impulses to the brain(ganglia) |
| Function and Location of the Antennae | Head; touch and taste sense |
| Function and Location of the Chelipeds | Thorax; catches and breaks up food, used as weapons in fights |
| Function and Location of the Swimmerets | Abdomen, attaches to eggs in female and guides sperm to females in males. |
| Function and Location of the Telson | Abdomen; forms paddle with uropods for rapid backwards movement |
| Function and Location of the Maxillae | Head; chews food and moves water in respiration |
| Function and Location of the Maxillipeds | Thorax; passes food to the maxillae, holds and breaks up food |
| Function and Location of the Rostrum | Head; protects compact eyes |
| Function and Location of the Carapace | layer of exoskeleton over the cephalothorax |
| Function and Location of the Abdomen | Back end of the crayfish, contains the swimmerets, telson, uropod, extenser& flexor muscles |
| Function and Location of the Cephalothorax | Head + Thorax |
| Function and Location of the Antennules | head; touch and taste sense |
| Function and Location of the Mandibles | Head; jaws for chewing food |
| Function and Location of the Uropods | Abdomen; connects with telson for rapid backwards movement |
| Function and Location of the Walking Legs | Thorax; used for walking/movement and helps move water over to the gills |
| Function and System of the Esophagus | Digestive; carries food to the stomach |
| Function and System of the Gills | Respiratory; uses diffusion for respiration |
| Function and System of the Intestine | Digestive; Digestion and absorption of waste/food |
| Function and System of the Flexor Muscles | Muscular; muscles that help the abdomen bend |
| Function and System of the Ventral Nerve Cord | Nervous; controls the appendages+muscles |
| Function and System of the Green Glands | Excretory; eliminates excess water |
| Function and System of the Stomach | Digestive; grinds food and nutrients are absorbed |
| Function and System of the Heart | Circulatory; Pumps hemolymph throughout the vessels |
| Function and System of the Gonads | Reproductive; Ovaries- produces eggs, Testes- produces sperm |
| Function and System of the Ganglia | Nervous; receives nerve impulses from the eyes, antenna, and antennules |
| Function and System of the Extensor Muscles | Muscular; muscles that help the abdomen straighten |
| Function and System of the Digestive Glands | Digestive; secretes enzymes for digestion |
| How do you tell the sex of a crayfish | Female= first pair of swimmerets are thin and wispy Male= first pair of swimmerets are thicker |
| Know the Domain, Kingdom, Phylum, Subphylum, and order of crayfish | Eukarya, Animalia, Arthopoda, Crustacean, Decapoda |
| What is the scientific name for a crayfish? | Cambarus Affinis |
| General traits of phylum arthopoda | jointed feet, open circulatory system, a coelum, bilateral symmetry, exoskeleton |
| What is Chitin | Chitin is the fiber/polysaccharide that makes up the exoskeleton |
| What is Cephalization | the concentration of sensory/surroundings |
| Molting | Molting is the shedding of the exoskeleton |
| Brown Recluse vs Black Widow | The brown recluse has a violin shape marking on the cepholothroax, Black widow has red hourglass shape on ventral side of abdomen |
| What is metamorphosis | eggs evolving into larvae/maggots, and then into adults |
| What is the scientific name for a frog | Rana Pipens |
| Know Domain, Kingdom, Phylum, Subphylum, class and order of a frog | Eukarya, Animalia, Chordata, Vertebrata, Anura |
| What type of symmetry does a frog have? | Bilarteral |
| Function of Glottis | Air goes through |
| Function and Location of Cloaca | Digestive; chamber for urine, digestive waste, and reproductive cellls |
| Function of Tympanic Membrane | allows for hearing |
| Function of the Chromatophores | colored spots on frogs skin |
| Function of the Gullet | food and water goes through here |
| Function of the Vomerine Teeth | teeth used to hold prey |
| Function of the Eustachian Tube Openings | How the tympanic membrane connects to the mouth |
| Function of the Nictating Membrane | Membrane on lower eyelid |
| Function of the External and Internal Nares | air flow with lungs |
| Function of the Oviducts | carries eggs from ovaries to colaca |
| Function of the Mesentery | Holds the internal organs(small intestine) in place |
| Function of the Gallbladder | Stores bile |
| Function of the Pericardium | protective sac around the heart |
| Function of the Spleen | filters blood, part of lymphatic system |
| Function of the pancreas | produces insulin and secretes it to the small intestine |
| Function of the urinary bladder | stores urine |
| Function of the fat bodies | contains stored energy for hibernation and estivation |
| Function of the Peritoneum | membrane that lines internal body cavity |
| Function of the Liver | produces bile |
| Function of the Heart | Atrium's receive blood, ventricle pumps blood |
| Function of the Ureter | carries urine from the kidneys to the urinary bladder |
| Function of the Coelomic Cavity | internal body cavity of chest and abdomen that contains internal organs |
| How do you tell the sex of a frog? | Males have an enlarged nuptial pads. Females will have ovaries, males will have testes. |
| What are some general traits of Amphibians? | Metamorphosis, moist think skin with no scales, webbed feet with no claws, respiration can be pulmonary or cutaneous, and external fertilization |
| What is the difference between Pulmonary vs. Cutaneous respiration? | Pulmonary respiration is respiration where the lungs are used. Cutaneous respiration is respiration through the skin/gills |
| What are 2 skeletal differences between a human skeleton and a frog skeleton | Frog- tibiofibula, urostyle Human- separate tibia and fibula, spine isn't fused |
Created by:
mhetlinger