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94 Cards in this Set
- Front
- Back
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Animal
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multi-cellular ukareiotick heterotrophic, lacking cell wall
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Tropism
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plant response
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phototropism
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response to light
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geotrophism
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response to gravity
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thigmotropism
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response to touch
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Annuals
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1 year replant
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bi-anuals
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2 year replant
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perannuals
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come up every year (2+)
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Phylum Porifera
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pore bearing
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occurence of Porifera
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A. fresh/salt water
B. Vary in size, color , shape C. sessile- attached D. Colonial |
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T/F: Porifera have tissues organs and systems
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False
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how many cell layers do porifera have
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2 no Coelom (hollow body cavity)
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what are the 4 cell types of Porifera
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1. pinacocytes
2. pore cells 3. collarcells 4. Amebocytes |
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pinacocytes
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outer layer, can contract to regulate surface area
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pore cells
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allows water to enter through pores
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collarcells
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flagellated, line interior
a. draw water in by flagella b. trap and ingest food |
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amoebocytes
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a. carry food between layers
b. form sperm and egg |
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structure of porifera supported by:
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1. calcium carbonate/silia spicules
2. spongin |
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Osculum
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opening at top- exit
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reproduction of porifera
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asexual- gemmules
sexual hermaphrodites- produce both egg and sperm does not self fertilize |
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how do porifera feed
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filter feeds
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whats a-b
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answers
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Chidarians body structure
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softbodied w/ stinging tentacles around mouth
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Charcteristics of chidarians
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radical symetry
2 cell layers tissues |
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chidarians have polyp or medusa or both?
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both
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Gastrovascular cavity is
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digestive chamber where foods digested
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layers of chidarians
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epidermis
mesoglea gastroderm |
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nematocysts is
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stinging cells on tentacles
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nerve net:
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conduct nerve impulses that cause muscles to contract, noneruous system
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chidarians reproduce sexually, asexually, or both
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sexually and asexualy
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Hydrazonans have polyp or/and medusa
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polyp and medusa
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hydra move by
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bubble or summersaulting
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Portugeses man-of-war form in
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colony of polyps w/ specialized tasks- stinging, digestion, reproduction.
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scyphozoans comonly known as
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jelly fish
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scyphozoans move by
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medusa
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scyphozoans captures food w/
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tentacles
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Anthozoans exist in what form
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polypform
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corals have skeletons made of
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calcium carbonate that form coral reefs
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a worm is what kind of symmatry
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bilaterall
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anterior
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end which something moves
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posterior
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end from which something moves away
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ventral
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toward surface
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dorsal
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away from surface
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worms show cephalization meaning...
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concentration of nerve tissue at anterior end
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worms live by
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free living
or parisitic |
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what are all types of flat worms
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(phylum: platyhelinthes)
planarians, flukes, tapeworms |
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planarans are free living or paracitic?
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free living
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planarians body forms are
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body flat w/ dorsal and ventral moving on ventral surface
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how do they move
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using cilia and muscles. secrete a mucous or cilia to push down into
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3 parts/layers of germ
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ectoderm
mesoderm endederm |
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Neous system (cerebral ganglia) of planarians
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simple brain,
2 nere corhs cross nerves sensitive to lt. touch anterior lobs help sense directon and dorsal eyes spot lt. |
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planarans are free living or paracitic?
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free living
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planarians body forms are
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body flat w/ dorsal and ventral moving on ventral surface
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how do they move
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using cilia and muscles. secrete a mucous or cilia to push down into
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3 parts/layers of germ
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ectoderm
mesoderm endederm |
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Neous system (cerebral ganglia) of planarians
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simple brain,
2 nere corhs cross nerves sensitive to lt. touch anterior lobs help sense directon and dorsal eyes spot lt. |
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mouth of planarians are where
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middle of ventral surface
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Pharynx:
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muscular tube that extends through mouth
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undigested food of planarians goes through where
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back out through pharynx
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do planarians have repiratory/circulatory systems?
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no
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excretory- flame bulbs
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remove ecess water > tubules > pores for release
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reproduction for planarians
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asexul- regeneration(fission, splits)
sexual -hermaphordites exchange sperm -eggs are fertilized and droppend in capsules |
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T/F flukes are paricitic
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T
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Flukes use what structure to adhear to host
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suckers
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Flukes feed on what when imbeded in organs and blood vessels
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body fluids
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T/F flukes only have 1 host
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F
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mouth of planarians are where
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middle of ventral surface
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Pharynx:
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muscular tube that extends through mouth
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undigested food of planarians goes through where
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back out through pharynx
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do planarians have repiratory/circulatory systems?
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no
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excretory- flame bulbs
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remove ecess water > tubules > pores for release
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mouth of planarians are where
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middle of ventral surface
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Pharynx:
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muscular tube that extends through mouth
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undigested food of planarians goes through where
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back out through pharynx
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do planarians have repiratory/circulatory systems?
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no
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excretory- flame bulbs
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remove ecess water > tubules > pores for release
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Tape worms heads called
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scolex
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scolex has
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sucker and hooks
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pruglottids are:
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the body seg. of tapeworms mostly used to reproduce
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Nematodes are also called
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roundworms
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t/f Nematoed are alwase paracitic
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F, very few
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Tape worms heads called
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scolex
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scolex has
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sucker and hooks
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pruglottids are:
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the body seg. of tapeworms mostly used to reproduce
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Nematodes are also called
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roundworms
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t/f Nematoed are alwase paracitic
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F, very few
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what is this and where does it go into
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snail
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what is this and where does it come from/ go to
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snail > human
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T/F Nematodes only have 1 way of entrance/exit
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F, body tube in a tube w/ mouth and anus
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Nematoeds cause damage in what and how
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humans, pig, horses
totaly block intestines |
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hookworm may cause what kind of damage
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aniema
retardation malenutrition |
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Trichinella exist in
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humans and fleshy animals
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filarial worms are transmitted by and cause what
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mosquitos & elephantiasis
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pinworms are in and cause
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30% of kids, 16% of adults
ichy anus |
