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macrocrustaceans
what class does this organism belong to?
microcrustaceans
what class does this organism belong to?
what phylum includes slugs, oysters, octopus, squid and clams?
Mollusca
what are common feature of mollusca?
1. soft visceral mass
2. muscular foot
3. mantle
visceral mass diagram (clam)
Gastropoda
what class does this animal belong to?
Bivalvia
what class does this animal belong to?
clam diagram
clam diagram
cephalopoda
what class are squid, octopus and nautilus found in?
arthropoda
what phylum do this organisms belong to?
arthropoda
what is the largest and most diverse phylum in all the animal kingdom?
1. paired, jointed appendages
2. exoskeleton
what are major features of arthropods?
arachnids
what group does this organism belong to?
arachnida
what group does this organism belong to?
uniramian
what is the name or group of insects called?
echinoderms
what phylum does this organism belong to?
1. deuterostomes
2. radial symmetry
3. endoskeleton
what are characteristics of echinoderms?
tube feet
what is this picture showing?
visceral mass diagram
visceral mass diagram
1. notochord
2. nerve cord
3. pharyngeal gill slits
4. postanal tail
what are the four main features of the phylum chordata?
4 major features of chordates
4 major features of chordates
1. vertebrates
2. invertebrates
what are the two subphyla of chordata?
Urochordata
what subphylum has sea squirts and tunicates?
cephalochordata
what subphylum does this organism belong to?
agnatha
what class does this organism belong to?
chondrichthyes
what class does this organism belong to?
osteichthyes
what class does this organism belong to?
amphibia
what class does this organism belong to?
3
how many chambers does a frog's heart have?
reptilia
what class does this organism belong to?
extraembryonic membranes
extraembryonic membranes
aves
what class does this organism belong to?
monotreme
what type of animal is this?
marsupials
what type of animals are these?
frog dissection
frog dissection
dissection
frog dissection
nares and tympanum
what is shown here?
vomerine teeth
what structure is shown here?
eustachian tubes
what is 6 pointing to?
f
fd
ecology
what is the study of interactions among organisms and their environment?
population
what is a group of individuals of the same species that live in the same area?
unrealistic- exponential growth
nature- logistic (restricted) growth
which is unrealistic and which is found in nature?
mark-recapture method
what is an important parameter ecologists use to know his how large are the populations they are sampling?
n = (MS)/ (R)
what is the mark-recapture formula?
ecosystem
what consists of one or more communities and their physical environment?
community
what is a group of populations of different species living in close enough to interact called?
Homolecithal
what type of eggs have relatively small amounts of yolk spread through the cytoplasm?
telolecithal
What type of eggs have a large amount of yolk?
radial
This type of cleavage show in the picture is found in humans..
spiral
what type of cleavage is this?
unfertilized egg
what is this picture showing?
fertilized egg
what is this picture showing?
1. unfertilized
2. fertilized
3. 2 cell stage
4. 4 cell stage
5. 8 cell stage
8. blastula
stages of an egg
blastula
labeled blastula
chick development
chick development
having the 3 germ layers of tissue
what does triploblasts mean?
acoelomate (flatworm)
what type of body plan is this?
pseudocoelomate (roundworm)
what type of body plan is this?
coeloms (earthworm)
what type of body plan is this?
Porifera
what primitive phylum does this organism belong to?
2. incurrent canal
6. radial canal
what is labeled at number 2 and 6?
1. osculum
2. porocytes
3. spongocoel
4. choanocyte
what is labeled at 1, 2, 3 and 4 on the choanocyte of a sponge?
cnidaria
what phylum contains jelly fish, sea anemone, coral and hydra in it?
cnidaria
what phylum does this organism belong to?
cnidaria
what phylum does this organism belong to?
1. polyp
2. medusa
what are the two adult forms of the hydra?
medusa
what is this a picture of?
obelia structure
obelia structure
lobelia life cycle
obelia life cycle
polyp
hydranth feeding stage
gonangium reproductive stage
Platyhelminthes
what phylum does this organism belong to?
-eye spot
-oracles
-pharynx
-gastrovascular cavity
flatworm diagram
pharynx
what is the center circle structure?
tape worms and flukes
what two other organism are classified under Platyhelminthes beside the flatworm?
tapeworm
what is this a picture of?
Flukes
what is this a picture of?
- proglottids (units)
- scolex head with hook suckers (anchors)
tape worm diagram
Nematoda (roundworm)
what phylum does this organism belong to?
spots= ovaries
hollow long oval= intestine
circle with dots=uterus
lining= cuticle
roundworm cross section
Annelida
what phylum do sand worms, earthworms and leeches belong to?
Annelida (earthworm)
what phylum does this organism belong to?
blood vessel & coelom
earth worm cross section
Annelida
what phylum does this organism belong to?
squamous epithelium
-stratified: oral cavity
- simple: blood vessels
what type of tissue is this?
columnar epithelium
- respiratory tract with cilia
what type of tissue is this?
a goblet cell
-secretes mucous
what is the arrow pointing to?
skeletal muscle
what type of muscle tissue is this?
smooth muscle
what type of muscle tissue is this?
cardiac
what type of muscle tissue is this?
nervous
- neuroglia surround support cells
what type of tissue is this?
bone tissue
-central canal
- lacuna
- osteocyte in lacuna
-osteon
what type of tissue is this?
cartilage connective
- chondrocytes inside lacunae
-lacunae
what type of tissue is this?
blood (connective)
- lymphocytes= solid purple
- neutrophil =dotted purple
- small circles= platelets
what type of tissue is this?