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34 Cards in this Set
- Front
- Back
an animale witha backnone which replaces the notochorde
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vertebrate
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has a dorsal, hollw nerve chord, a notochord, pharyngeal pouche, a tail that extends the anus
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chordate
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long supporting rod that runs just below the nerve cord
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notochord
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outher most layer that gives rise to sence organs nerves and the outher layer of skin
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ectotherm
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innermost germ layer that gives rise to linings of the digestive tracks and much of the respirtory system
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endotherm
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no backbone
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invertebrate
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any fluid filled space
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acoelomate
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a space btween epidermous and outer lineing of gut cavity
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pseudocoelomate
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fluid filled cavity formed with in the mesoderm
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coelomate
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any number of imagenary planes can be drawn through the center
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radial symmentry
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single imagenary line can divide the body into two equeal halves
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bilateral symmentry
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concentration of sence organs and nerve cells at the front of the body
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cephalization
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blood is cantained within a network of loood vessels
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closed circulitroy system
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blood is not always containd with in a nework of blood vessels
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open circulatroy system
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water and gastrovascular enable movement
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hydrostatic skeleton
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external skeletion
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exoskeleton
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tructural support loccated inside the body of the animale
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endoskeletion
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digestive chamnver witha single opening
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gastrovascular cavity
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2 chambered
1 atrium 1 ventrical what has it? |
single loop ciculatiory system
fish |
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3 chambered
1 vetrical 2 atrium what has it? |
double loop ciculatory system
most reptiles |
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4 chambered
2 atria 2 ventricals what has it? |
double loop circulatory system
crocidaleans birds and mammels |
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what is the path of a single loop circulatory system
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a atrium receives O2 poor blood from the body and a vetrical pumps O2 rich blood to the gills and onto the body
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interpret visual stimuli from the eye
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optic lobes
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sence of smell
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olfactory bulbs
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cerebrum
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resposible for all voluntary activites of the body
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medulla oblongata
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controles function of internal organs
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cerebellum
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coordinates body movements
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what are two basic structures for gas exchange and resperation
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lungs and gills
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what else aids in respiration
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skin and lining of couth cavities (amphibians)
air sacs (birds) |
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provide enormus surface area for gas exhanges
enabels mammels to take in large ammounts of oxygen |
aveoloi
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what is the difference of amphibian and reptilian respirtory systems?
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Amphibian - skin and gills at maternity and lungs and sking and lining of the mouth when mature
Reptile - spong lungs that take in more O2 and cant exchange gas threw skin |
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what has the most effecient lungs
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birds
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blood travels from the heart to the gills then to the rest of the body and back to the heart
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single loop circulatory system
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1st loop carries blood between the lings while oxygen rich blood from the lung returns to heart
2nd loop carries blood between the heart and the bod |
double loop circulatory system
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