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BIOLOGY

INVERTEBRATES TEST

QuestionAnswer
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
Created by: biobob