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107 Cards in this Set
- Front
- Back
Humans are this type of animalia |
Chordates |
|
Humans are closest to this phylum. |
Echinoderm |
|
Humans are furthest from this phylum. |
Porifera |
|
Sponges |
Porifera |
|
Jelly fish/ sea anemonies |
Cnidarians |
|
Flatworms |
Platyhelminthes |
|
Parasitic roundworms |
Nematodes |
|
Octopus, mussels, land snail |
Mollusc |
|
Seastar |
Echinoderm |
|
Hexapoda, cheliceriform, crustacea, myriapoda |
Anthropoda |
|
Segmented worms |
Annelida |
|
Cats |
Chordata |
|
This is a body cavity surrounding the gut |
Coelom |
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This allows muscles to grow independently of the body wall. |
Coelom |
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This provides structure to aid movement |
Coelom |
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This allows more efficient circulation of nutrients and waste removal |
Coelom |
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All vertebrates are this. |
Chordata |
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Not all chordata are this. |
Invertibrates |
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All of these have jointed feet\appendeges |
Anthropoda |
|
3 pairs of legs, 1 pair anntenae |
Hexadopa |
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Insects |
Hexadopa |
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4 pairs of legs, pinchers |
Cheliceriforms |
|
5-7 pairs of legs ans 2 pairs of anntenae |
Crustacea |
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Lots of legs, 1 pair if antennae |
Myriapoda |
|
Insects |
Hexapoda |
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Spiders |
Cheliceriforms |
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Crabs and shrimp |
Crustacea |
|
Centipedes |
Myriapoda |
|
No identical sides. Sponges |
Asymmetrical |
|
Cells that line the internal chambers of sponges |
Choanoytes |
|
Organ of digestion and circulation |
Gastrovascular cavity |
|
A partial coelom |
Pseudocoelom |
|
A space that holds the organs of molloscs |
Mantle |
|
Mollosc teeth |
Radula |
|
Projecting part of an invertibrate |
Appendage |
|
External skeleton |
Exoskeleton |
|
Internal skeleton |
Endoskeleton |
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Used by echinoderms. Small, hollow apendeges used for collecting food and for movement. |
Tube feet |
|
Rod between the nerve cord and the gut |
Notochord |
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This gave rise to the verticle column |
Notochord |
|
4 main stages of digestion |
Ingestion, digestion, absorption, elimination |
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Large pieces of food by mouth |
Bulk feeding |
|
Example of bulk feeder |
Human |
|
Filter feeder |
Mosquito |
|
What kind of feeders are muscles and clams and some whales? |
Filter feeders |
|
When molecules are broken down in individual cells |
Intracellular |
|
When molecules are broken down outside the cells in specialized compartments |
Extracellular |
|
In humans, food is broken down before it is __________________ |
Absorbed |
|
Uptake of large solid particles into a cell by endocytosis |
Phagocytosis |
|
This is an incomplete gut |
Gastrocascular cavity |
|
2 animals with gastrovascular cavity |
Cnidarians and platyhelminthes |
|
These dont have true tissues |
Porifera |
|
These have radial symmetry |
Cnidarians |
|
These have no body cavity or organs but do have a central nervous system |
Platyhelminthes |
|
Roundworms |
Annelidas |
|
Soft body protected by hard shell |
Molluscs |
|
Roundworms and parasites |
Nemotodes |
|
Hexatopa, crustaceans |
Arthropods |
|
These have segmented and jointed appendeges |
Arthropods |
|
These have bilateral babies |
Echinoderms |
|
Most of these have bachbones |
Chordates |
|
What makes sponges different from humans, sponges are ______________ |
Aquatic |
|
These lack true tissue |
Porifera |
|
Thesenuse choanocytes toengulf their food and eat through phagocytosis |
Porifera |
|
These have true tissues, radial symmetry, gastrovascular cavity and are carnivorous |
Cnidarians |
|
Cnidarians use these to capture prey and push it into their gastrovascular cavity. |
Tentacles |
|
The ____________ step in cnidarian feeding. _____________________ in the ________________ breakdown the prey. |
First, enzymes, cavity |
|
The _____________ stage of cnidarian feeding. _________________lining the ________________ absorb the ____________________. |
Second, cells, cavity, nutrient. |
|
____________________stage of cnidarian feeding. ____________________particles are _______________through the ______________/ __________________ |
Third. Undigested particles, expelled, mouth/anus |
|
Teeth of molluscs |
Radulla |
|
worms. they have a coelom |
annelids |
|
these have two pairs of antennae |
crustaceans |
|
some of these have wings |
hexatrops |
|
echinoderms and chordata both have |
endoskeletons |
|
echinoderms and chordata both have similar _______ __________________. Which is radial clevage and anus from blastopore |
DNA development |
|
both chordates and echinoderm babies have this |
bilateral symmetry |
|
What is bilateral, has a coelomate and has segmented bodies? |
Chordata |
|
what makes chordates different from other animals. these are present in all chordate embryos |
notochord |
|
this provides skeletal support in chordates |
notochord |
|
in humans, notochords are fibrous discs inbetween the |
vertibrae |
|
Apart form notochords, chordates have a dorsal _________________ __________________ ____________________. This develops into central nervous system |
hollow nerve cord. |
|
these types of animals use a filtering structure to obtain food |
filter feeder |
|
this type of digestion uses food vaculoes where hydrolic enzymes break down food? |
intracellular digestion |
|
intracellular digestion begins after a cell engulfs food by ____________________. |
phagocytosis |
|
the second step of digestion by poriferas. _____________________ fuse with food vacuoles. These orgenelles contain ____________________ _________________________. |
lysosomes, digestive enzymes. |
|
what animal digests its food via intracellular digestion? |
sponges |
|
advantage of extracellular digestion? |
animals can ingest much larger particles of food. |
|
this is a digestive compartment with only one opening. |
Gastrovascular cavity |
|
2 functions of a gastrovascular cavity. |
digestion, distribution of nutrients |
|
carnivores have sharp, pointed ____________________ |
incisors |
|
these have pre molars and molars that crush and shred food |
carnivores |
|
some of these don't even have canines |
herbivores |
|
these have teeth for biting, tearing, grinding and crushing |
omnivores |
|
who has a longer gut? |
herbivores |
|
why do herbivores have longer guts? |
vegetation is difficult to digest |
|
animals like koalas and elephants, their microorganisms are where? |
cecum |
|
this is when food passes through the digestion system 2 times |
Coprophagy |
|
what animal practices coprophagy? |
rabbits |
|
what kind of animal has a ruminant digestive system? |
cow |
|
how many chambers are in ruminant digestion? |
4 |
|
what is the first chamber called in rumanant digestion? |
ruman |
|
the partially digested food of a ruminant animal is called what? |
Cud |
|
1. ___________________ 2. chew cud 3. omasum (water removal) 4. abomasum (enzyme digestion) |
Rumen and reticulum |
|
1. rumen & reticulum 2. _______________3. omasum (water removal) 4. abomasum (enzyme digestion) |
chew cud |
|
1. rumen & reticulum 2. chew cud 3. ___________________ 4. abomasum (enzyme digestion) |
omasum (water removal |
|
1. rumen & reticulum 2. chew cud 3. omasum (water removal) 4. _________________________ |
abomasum (enzyme digestion) |
|
feces of rabbits get rid of nutrients that are a by product of what? |
large intestine |