Question | Answer |
Cells that contain a nucleus and membrane bound organelles are | eukaryotic |
Animal Kingdom charactistics include | multicelluar, eukaryotic, heterotrophic, nutrition by ingestion |
Aquatic animals that strain food from the water they live in are called | filter feeders, or suspension feeders |
Symbiosis includes what 3 types of relationships? | parasitism, mutualism, commensalism |
The upper of back side of an animal. | dorsal |
The underneath or belly side of an animal. | ventral |
The head end of an animal. | anterior |
The rear end of an animal. | posterior |
An animal that has distinct right and left sides shows what type of symmetry? | bilateral |
An animal that shows no symmetry | asymmetry |
An animal that has a body plan built around a cylindrical form with no right or left side shows what type of symmetry? | radial |
The hollow ball of cells formed in the development of an embryo. | blastula |
Which of the 3 germ layers in an animal embryo will develope the muscles, heart and blood vessels, the reproductive organs and the urinary tract? | mesoderm |
Animals that are attached to one spot are said to be | sessile |
Choanocytes, spicules, gemmules, are all associated with which Phylum? | Porifera |
Sexual reproduction in the sponges includes what type of fertilization? | internal |
What type of food getting do the sponges use? | filter feeding |
What function do the flagella perform in the sponge's body? | keeps the water circulating |
Cnidocytes are | stinging cells |
The nematocysts are used to | defend the cnidarian and capture food |
What are the 2 types of body forms in cnidarians? | polyp and medusa |
What type of symmetry do the Cnidaria display? | radial in the polyp and medusa |
Polyps are _______________ while the medusa are _______________. | sessile; free swimming |
The planaria feeds by sucking food in it's digestive cavity with it's? | pharynx |
The planaria use their __________ to detect light. | eyespots |
If a parasitic flatworm lives in the gut of it's host, what body system will not be required? | digestive |
The adult tapeworm uses what structures for attachment to the host's intestinal wall? | scolex with suckers and hooks |
The tapeworm's body plan includes segements called ____________ that contain the reproductive structure. | proglottids |
What type of reproduction occurs in the intermediate host of a parasitic flatworm? | asexual |
Roundworms have a digestive system with ______________ openings. | 2 |
Movement in a roundworm requires the use of the | hydrostatic skeleton |
List 3 ways humans can become infected with roundworms. | drinking contaminated water, eating contaminated food, insect bites |
We get trichinosis from | contaminated, undercooked pork |
The organ in the earthworm's digestive tract that grinds food is | gizzard |
The body wall of annelids is | segmented |
Which phylum of worms has a true body cavity? | Annelida |
In the annelids, what organ removes nitrogen containing wastes? | nephridia |
Name the parasitic worm that is external. | leech |
The bristles in an annelid are called? | setae |
Name 2 ways that earthworms benefit the soil. | tunneling allows oxygen and water to reach plan roots; loosen soil |
Which mollusk has a closed circulatory system? | cephalopods |
Why do cephalopods need a closed circulatory system? | they are large, fast moving and require more oxygen where the bivalves and gastropods do not |
The thin layer of tissue in mollusks that covers the body and secretes the shell. | mantle |
The small tubes allowing water to enter and exit the mollusk's body. | siphon |
The muscular foot of mollusks is modified into several shapes and functions in | movement |
The appendages of arthropods are | jointed |
The respiratory system of insects and some other arthropods is made up of tubules called | trachae |
The trachae of arthropods is used to move _____________ throughout the body. | air |
Where do we find the insects? | in most habitats on earth |
Molting allows an arthropod to | grow |
Arthropods are classified according to what 2 criteria? | segmentation and appendages(including mouthparts) |
Which appendages are especially important in classification of arthropods? | mouthparts |
Name 2 chelicerates. | spider, horseshoe crab |
Which group of arthropods are the uniramians? | insects |
Insects have _______ prs. of legs and spiders have _______ prs. of legs | 3;4 |
What characteristic is common to arachnids and crustaceans? | both have a cephalothorax |
Centipedes have _____pr legs per segment. | 1 |
Millipedes have _____pr. legs per segment. | 2 |
The ____________ eye is made up of more than one lens. | compound |
Class Insecta has a body plan with ______ segments, the ________, ________, and the _______. | 3; head, thorax, abdomen |
The stages of complete metamorphosis are | egg, larva, pupa, adult |
The stages of incomplete metamorphosis are | egg, nymph, adult |
In echinoderms, body parts are usually occurs in multiples of | 5 |
The endoskeleton of an echinoderm is composed of | calcium carbonate |
The hundreds of tiny suction cups on an echinoderm are called | tube feet |
In the echinoderms, respiration, circulation, and movement are controlled by | the water vascular system |
Which echinoderm resembles a crawling pickle? | sea cucumber |