Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biol 172 Final
| Term | Definition |
|---|---|
| metazoan | term for multicellular organisms |
| cladogram | diagram that depicts relationships between different animals |
| bilateral | annelids, mollusks, and vertebrates have this body symmetry |
| anterior | towards the head of an animal |
| posterior | the rear end of an animal |
| ventral | the bottom surface of an animal |
| dorsal | the top surface of an animal |
| lateral | the side surface of an animal |
| ectoderm | tissue that develops into skin and nervous tissue |
| endoderm | tissue that gives rise to the gut |
| mesoderm | tissue that gives rise to muscles and organs |
| metamerism | serial repetition of body parts |
| eucoelomate | animal with a true coelom |
| acoelomate | animal with no coelom |
| hydrostatic skeleton | utilizes fluid for support |
| peristaltic wave | muscle shortenings and extensions, process by which an earthworm moves |
| prostomium | the lobe above the mouth in an earthworm |
| clitellum | produces material that forms cocoons in an earthworm |
| peristomium | segment in an earthworm that contains the mouth |
| hermaphrodite | having both male and female reproductive organs |
| external | type of fertilization that occurs in earthworms |
| gizzard | this structure is located posterior to the crop in the earthworm |
| setae | small bristles that earthworms use to grip substrate |
| polyoplacophora | class of mollusca that includes chitons |
| gastropoda | class of mollusca that includes snails and slugs |
| bivalvia | class of mollusca that includes clams |
| cephalopoda | class of mollusca that includes octopods and squid |
| mantle | this structure secretes the shell in clams and other mollusks |
| periostracum | proteinaceous layer in a clam shell |
| prismatic | this layer in a clam shell is composed of calcium carbonate |
| nacreous | mother of pearl layer in a clam shell |
| adductor | muscle in a clam that acts to close the valves |
| foot | this structure is used by clams to burrow into the sand |
| ctenidia | paired ciliated gills in clams used for respiration and food gathering |
| countercurrent exchange | process of gas exchange in clams |
| palps | structures in a clam used to remove sand and send food into the mouth |
| achatinella | the genus of snail endemic to Oahu that is listed as endangered due to predation by invasive species |
| liver | organ that produces bile from digestive waste |
| pyloric | valve that controls the passage of food from the stomach to the small intestine |
| chordate | phylum characterized by a notochord, pharyngeal gill slits, a post anal tail, and a dorsal hollow nerve cord |
| scapula | shoulder blade |
| prepollux | fifth digit in frogs used by males to hold on to females during amplexus |
| adductor | muscles that pull a body part towards the body midline |
| aboral | surface of a sea star opposite of the mouth |
| ilium | tailbone |
| aponeurosis | broad sheet-like piece of connective tissue |
| pelvic girdle | supports hind limbs |
| phalanges | finger bones |
| endoskeleton | internal support structure advantageous for large growth, greater flexibility, and mobility |
| dermal | type of bone that develops in skin such as scales |
| chondocranium | braincase |
| madreporite | in sea stars, water enters body through this structure |
| test | calcareous endoskeleton of sea star |
| humerus | one of the three major bones in the forelimb |
| atlas | first vertebra |
| glottis | opening of the larynx |
| constrictors | muscles that surround an orifice and close it |
| pedicellaiae | modified spines of a sea star used to help clean skin surface and capture prey |
| rotators | muscles that twist a limb or body part |
| abductors | muscles that push a body part away from the midline |
| cutaneous | respiration that occurs at the skin |
| pancreas | organ where bile is stored |
| cloaca | the terminal part of a frog's digestive tract that receives waste product and empties |
| flexors | muscles that decrease angle between two body parts |
| dialators | muscles that surround an orifice and open it |
| depressors | muscles that lower a body part |
| cardiac | the stomach in a sea star that is oral to the pyloric stomach and is inverted when feeding |
| extensors | muscles that straighten or extend a part of the body |
| alveoli | small chambers within the lungs |
| urostyle | last vertebra, fused tailbone |
| papulae | dermal gills of sea star where gas exchange occurs |
| acetabulum | the socket in which the femur attaches to the pelvic girdle |
| axial | skeleton that forms longitudinal axis of body and provides main support |
| endochondral | type of bone formed from cartilage that calcifies |
| holothuroidea | class of echinodermata including sea cucumbers |
| coracoids | bones medial to humerus |
| buccopharyngeal | respiration that occurs in the mucous membrane of the mouth and pharynx |
| pentaradial | symmetry exhibited by sea stars |
| asteriodea | class of echinodermata including sea stars |
| echinoidea | class of echinodermata including sea urchins |
| appendicular | skeleton that includes limbs and girdles |
| deuterostomes | group of organisms that have radial cell cleavage, indeterminant cell development, coelom developed from endoderm, and blastopore becomes anus |
| crinoidea | class of echinodermata including sea lillies |
| fascicles | bundles of skeletal muscle |
| protostomes | group of organisms that have spiral cell cleavage, determinant cell development, coelom developed from mesoderm, and blastopore becomes mouth |
| hyoid apparatus | cartilaginous structure that supports tongue and larynx |
| foramen magnum | opening at base of skull where the spinal cord passes through |
| pulmonary | respiration that occurs in the lungs |
| oral | surface of a sea star containing mouth |
| protractors | muscles that draw body parts forward or out |
| ophiuroidea | class of echinodermata including brittle stars |
| clavicle | collar bone |
| podia | sea star tube feet |
Created by:
hayato21
Popular Biology sets