In most insects, gas exchange is accomplished by __________.

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A. LungsB. Flame bulbsC. A tracheal systemD. Publication lungsE. Diffusion throughout the exoskeleton
Some digestion in sponges takes ar in the __________.
A. AmoebocytesB. Cradle tractC. OsculumD. Gastrovascular cavityE. Spongocoel
The proglottids of a tapeworm contain an intricate __________ system.
A. SensoryB. CirculatoryC. ReproductiveD. AttachmentE. Digestive
Cephalopods room the only molluscs __________.
A. That room hermaphroditesB. That reproduce sexuallyC. That have a mantle the produces a shellD. Through a closeup of the door circulatory systemE. V segmented bodies
Evolutionary adaptations offered by plants and also animals because that maximizing surface ar area include every one of the following other than _________.
A. FoldingB. FlatteningC. BallooningD. BranchingE. Creating projections
Characteristic the the clade Lophotrochozoa are attributes such together a lophophore, i beg your pardon is a(n) _________, and a trochophore, i beg your pardon is a(n) _________.
A. Larval stage; crown that ciliated tentacles because that feedingB. Adult stage; crown that ciliated tentacles because that feedingC. Crown that stinging tentacles because that feeding; larval stageD. Crown that ciliated tentacles for feeding; adult stageE. Crown of ciliated tentacles for feeding; larval stage
Animal varieties that are threatened by die out are primarily in the phylum ________.
A. PoriferaB. MolluscaC. RotiferaD. AnnelidaE. Arthropoda
The ________ is the middle matter of a sponge and also is composed of a ________.
A. Mesoderm; gelatinous matrixB. Mesohyl; chitinous matrixC. Mesohyl; gelatinous matrixD. Mesophyll; chitinous matrixE. Mesophyll; gelatinous matrix
The 2 phyla that have actually characteristic U-shaped alimentary canals and also a crown that ciliated tentacles space the ________ and also the ________.
A. Rhabditophora; rotifersB. Ectoprocta; BrachiopodaC. Catenulida; rotifersD. Rhabditophora; TrematodesE. Catenulida; Trematodes
The three key body parts of the phylum Mollusca space a ___________.
A. Muscular foot, a visceral mass, and also a scolexB. Muscular foot, a visceral mass, and a radulaC. Muscular foot, a visceral mass, and a mantleD. Muscular foot, a proglottid, and a mantleE. Lophophore, a visceral mass, and also a mantle
Some species of rotifers undergo parthenogenesis, which means that __________.
A. The varieties consists of only females the produce much more females indigenous unfertilized eggsB. Their larval stage of breakthrough looks totally different from the adult stageC. They burned their exoskeleton together they growD. During development of adult forms, some of the organs the were bilateral are diminished in dimension or are shed on one next of the bodyE. Each individual attributes as both male and female in sex-related reproduction by developing sperm and eggs
A significant characteristic that arthropods is __________.
A. A pseudocoelomB. All of the listed responses space correctC. A chitinous exoskeletonD. Radial symmetryE. Flame bulbs
The sponge cell form that is ________ and also can come to be other sponge cell varieties is the _________.
A. Pluripotent; amoebocyteB. Totipotent; epidermal cellsC. Totipotent; amoebocyteD. Pluripotent; choanocyteE. Totipotent; choanocyte
Stages in the finish metamorphosis of arthropods include every one of the following other than the ________ stage.
A. EggB. NymphC. AdultD. LarvaE. Pupa
The phylum __________ has actually both invertebrate and also vertebrate groups.
A. OnychophoranB. CephalochordataC. UrochordataD. ChordataE. Echinodermata
Invertebrate deuterstomes that space bilaterally symmetrical together juveniles but have radial the opposite as adults are referred to as _________.
A. OnychophoransB. SchyphozoansC. TrilobitesD. EchinodermsE. Myriapods
Annelids __________.
A. Every one of the listed responses room correctB. Encompass leeches, earthworms, and flatwormsC. Usage their pseudocoeloms as hydrostatic skeletonsD. Have actually a mouth that is different from the anusE. Have actually characteristically lengthy bodies v external, however not internal, segmentation
The choanocyte of a sponge and the nematocyst that a cnidarian both duty in __________.
A. Obtaining foodB. ReproductionC. SightD. Locating matesE. Locomotion
In the phylum Cnidaria, jellies are members the the ________ clade and corals room members that the ________ clade.
A. Scyphozoan; hydrozoanB. Anthozoan; medusozoanC. Medusozoan; anthozoanD. Scyphozoan; cubozoanE. Schyphozoan; anthozoan
_________ are characteristic the jellies.
A. Collar cellsB. ChoanocytesC. AmoebocytesD. LophophoresE. Cnidocytes
Which of the adhering to is true around the phylum Cnidaria?
A. The bodies of cnidarians room bilaterally symmetrical and also show cephalizationB. All of the listed responses room correctC. This phylum has more species than any other phylumD. All cnidarians except corals are in the medusa stageE. The body of its members room organized approximately a gastrovascular cavity
Through what means do coral pets capture their food?
A. Filter feedingB. Tentacles that trap food particlesC. Teeth that piece their preyD. Absorption of pre-digested food v their cuticleE. Dinoflagellates, photosynthetic protists that live in the coral"s tissues
________ is a compound developed by sponges that can kill ________.
A. Penicillin; tapewormsB. Choanostatin; cancer cells and drug-resistant strains of StreptococcusC. Cribrostatin; cancer cells and drug-resistant strains that StreptococcusD. Cribrostatin; tapewormsE. Penicillin; drug-resistant strains the Streptococcus
The two lineages the the phylum Platyhelminthes space the ________ and also the ________.
A. Catenulida; TrematodesB. Rhabditophora; TrematodesC. Catenulida; rotifersD. Catenulida; RhabditophoraE. Rhabditophora; rotifers
During common earthworm reproduction __________.
A. Fertilization bring away place during copulation in between males and femalesB. Reproduction is through parthenogenesis, v no male participationC. Every individual fertilizes its own eggs through its very own sperm (in self-fertilization)D. Hermaphroditic individuals exchange spermE. Hermaphroditic individuals exchange eggs
Which of the following is/are true about polychaete worms?
A. They space unsegmented bilateriansB. They space ecdysozoansC. They have a water vascular systemD. They frequently live in a naval environmentE. They feed by making use of nematocysts
In arthropods, molting is necessary since __________.
A. Worn exoskeletons make arthropods much more susceptible come predatorsB. Arthropod appendages generally increase in number as the pet agesC. The setting degrades the exoskeleton, which as such must be shed and replacedD. The exoskeleton is progressively reabsorbed by human body tissueE. The chitinous exoskeleton cannot grow
_________, account for ________ of all known pet species.

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A. Vertebrates, pets without a backbone; 95%B. Invertebrates, animals with a backbone; 95%C. Invertebrates, animals without a backbone; 95%D. Invertebrates, pets without a backbone; 99%E. Vertebrates, pets with a backbone; 95%
Tapeworms room highly dedicated worms that make their living as endoparasites. To which the the following phyla carry out the tapeworms belong?
A. Phylum MolluscaB. Phylum ArthropodaC. Phylum NematodaD. Phylum PlatyhelminthesE. Phylum Annelida
Sponges feed by __________.
A. Soaking up nutrients from the organs of their hostsB. Filtering small particles indigenous waterC. Scraping bacteria and also algae from difficult substratesD. Performing photosynthesisE. Paralyzing tiny crustaceans v stinging cells
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