Terms in this set (49)
Animals lack cell walls but they are___________,__________, and _____________.
Multicellular, heterotroph, and eukaryotic
Most animals cells are _______________ and reproduce sexually
The ____________ explosion about 545 million years ago began the tremendous increase in the diversity of animals
Sponges have specialized cells called amoebocytes that do many jobs for the sponge like: picks up________ , digests food, and carries ___________ to other cells
Protists are similar to sponges in that they both ____________ their food outside of their cells and lack a digestive tract
___________ live mainly in salt water, have a ____________ cavity, have a cylindrical ring of tentacles (in the stationary form called a polyp), the medusa form can move freely and their stinging cells called _____________
Cnidarians and some_______ exhibit radial symmetry
The development of a sensory system and or brain in evolution also is accompanied with __________ symmetry
Flatworms have ______________ symmetry, live in a variety of environments, have a highly branched _______________ cavity, and do not have an anus.
Name 3 common names of platyhelminthes
Planarian, fluke, and tapeworm
The phyla Nematoda is characterized by having ______________ symmetry, pseudocoelom, a complete _____________ tract, and a transparent cuticle
Characteristics of molluska include: a true coelom, separate ________ in most species, a ______ produced by the mantle, a rasping organ known as a radula.
Annelida are characterized by having _______________, a true coelom, an anus, over 15,000 species, and their habitats includes marine, ___________ and damp soil.
______________ are the most numerous wide spread animal phylum
Arthropods have a true coelom, segmentation, jointed ________, and an exoskeleton that is shed
The three main body regions of an arthropod are the _________, _____________, and ___________.
Examples of Diptera
gnats, fruit flies, mosquitoes, house flies
Examples of Hymenoptera
ants, bees, wasps
Examples of Lepidoptera
Examples of Coleoptera
Examples of Odonata
Dragon flies, damslefies
Examples of Orthoptera
Grasshoppers, walking stick, cockroach
Butterflies take in nectar using a tube consisting of _______________ mouthparts
The coleoptera order has about 50,000 species and is the ___________ order in the animal kingdom
Echinoderms have a unique feature known as the _________ vascular system
Name the 4 characteristics unique to Chordates:
dorsal hallow nerve cord
post anal tail
If an unknown animal was found having segmented musculature, a coelom, pores on either side of its body, and a complete digestive tract with an anus this animal would be in the ______________ phylum
the _____________ is longitudinal rod that is flexible and is located between the digestive tract and the nerve cord in chordates.
Tunicates are considered chordates cause they posses all ______ chordate characteristics as a larva
If an unknown animals has a post-anal tail, is a filter feeder, sessile, and its larva form has a notochord and gill structures what phylum can you be sure that it is in?
Vertebrate organisms have a skull and a ____________ consisting of vertebrae
Agnathans lack ________ and paired ___________ unlike fish.
Osteichthyes (fish) have a swim bladder, operculum, bony skeleton, scales, and a _________ line.
Chondrichthyes have jaws, lateral line, vertebrae, and a flexible skeleton made of __________
Amphibians lay their eggs in ______, were the first terrestrial vertebrates, metamorphosis can occur in their life cycle.
The vertebrate phylum most closely related to chordates is the phylum _________________
Lateral line is found in bony ________ and in ____________ amphibians
Reptiles have scales, ____________ eggs, waterproof _______, and ectothermic metabolism
Reptiles can complete their life cycles on land because of the _________________________
Birds are endothermic, they evolved from ______________, feathers evolved from ________, and they have amniotic ____________.
The _____________ is an extinct bind its name means ancient wing
Mammals are ______________, evolved from reptiles, some lay eggs, have mammary glad and hair
Sponges lack true ______________
Cnidarians have two true ________ and __________ symmetry
Annelids have protostome development with a ___________ and have ____________ symmetry
Flatworms have three true _________, _______ symmetry, but have no coelom called a _____________ and no segmentation
Insects have a segmented body plan. The three main segments are the __________,_________, and ________
collectively jawless fish are called ____________
arthropods are most related to a ______________
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