In many insects, gas exchange is achieved by __________.

You are watching: Animal species that are threatened by extinction are primarily in the phylum ________.

A. LungsB. Fire bulbsC. A tracheal systemD. Book lungsE. Diffusion across the exoskeleton
Some digestion in sponges takes location in the __________.
A. AmoebocytesB. Gastrointestinal tractC. OsculumD. Gastrovascular cavityE. Spongocoel
The proglottids of a tapeworm contain fancy __________ system.
A. SensoryB. CirculatoryC. ReproductiveD. AttachmentE. Digestive
Cephalopods are the just molluscs __________.
A. That room hermaphroditesB. That reproduce sexuallyC. That have actually a mantle the produces a shellD. V a close up door circulatory systemE. Through segmented bodies
Evolutionary adaptations used by plants and animals for maximizing surface area include every one of the following other than _________.
A. FoldingB. FlatteningC. BallooningD. BranchingE. Producing projections
Characteristic the the clade Lophotrochozoa are functions such as a lophophore, i beg your pardon is a(n) _________, and also a trochophore, i m sorry is a(n) _________.
A. Larval stage; crown the ciliated tentacles because that feedingB. Adult stage; crown that ciliated tentacles for feedingC. Crown of stinging tentacles for feeding; larval stageD. Crown the ciliated tentacles because that feeding; adult stageE. Crown the ciliated tentacles because that feeding; larval stage
Animal types that room threatened by die out are mostly in the phylum ________.
A. PoriferaB. MolluscaC. RotiferaD. AnnelidaE. Arthropoda
The ________ is the middle matter of a sponge and is created of a ________.
A. Mesoderm; gelatinous matrixB. Mesohyl; chitinous matrixC. Mesohyl; gelatinous matrixD. Mesophyll; chitinous matrixE. Mesophyll; gelatinous matrix
The two phyla that have actually characteristic U-shaped alimentary canals and also a crown that ciliated tentacles space the ________ and the ________.
A. Rhabditophora; rotifersB. Ectoprocta; BrachiopodaC. Catenulida; rotifersD. Rhabditophora; TrematodesE. Catenulida; Trematodes
The three main body components 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 types of rotifers undergo parthenogenesis, which method that __________.
A. The varieties consists of only females that produce much more females native unfertilized eggsB. Their larval phase of advancement looks completely different native the adult stageC. They melted their exoskeleton together they growD. During advancement of adult forms, several of the organs the were bilateral are reduced in size or are lost on one side of the bodyE. Each individual attributes as both male and female in sex-related reproduction by producing sperm and also eggs
A significant characteristic of arthropods is __________.
A. A pseudocoelomB. Every one of the provided responses are correctC. A chitinous exoskeletonD. Radial symmetryE. Flame bulbs
The sponge cell kind that is ________ and can end up being other sponge cell varieties is the _________.
A. Pluripotent; amoebocyteB. Totipotent; epidermal cellsC. Totipotent; amoebocyteD. Pluripotent; choanocyteE. Totipotent; choanocyte
Stages in the finish metamorphosis that arthropods include every one of the following other than the ________ stage.
A. EggB. NymphC. AdultD. LarvaE. Pupa
The phylum __________ has both invertebrate and also vertebrate groups.
A. OnychophoranB. CephalochordataC. UrochordataD. ChordataE. Echinodermata
Invertebrate deuterstomes that room bilaterally symmetrical together juveniles however have radial the opposite as adult are dubbed _________.
A. OnychophoransB. SchyphozoansC. TrilobitesD. EchinodermsE. Myriapods
Annelids __________.
A. Every one of the noted responses space correctB. Include leeches, earthworms, and also flatwormsC. Use their pseudocoeloms together hydrostatic skeletonsD. Have a mouth the is different from the anusE. Have characteristically lengthy bodies through external, but not internal, segmentation
The choanocyte that a sponge and the nematocyst that a cnidarian both duty in __________.
A. Obtaining foodB. ReproductionC. SightD. Locating matesE. Locomotion
In the phylum Cnidaria, jellies space members that the ________ clade and also corals room members that the ________ clade.
A. Scyphozoan; hydrozoanB. Anthozoan; medusozoanC. Medusozoan; anthozoanD. Scyphozoan; cubozoanE. Schyphozoan; anthozoan
_________ room characteristic that jellies.
A. Collar cellsB. ChoanocytesC. AmoebocytesD. LophophoresE. Cnidocytes
Which the the adhering to is true around the phylum Cnidaria?
A. The body of cnidarians are bilaterally symmetrical and also show cephalizationB. All of the provided responses space correctC. This phylum has an ext species than any other phylumD. All cnidarians except corals room in the medusa stageE. The bodies of that members are organized about a gastrovascular cavity
Through what method do coral pets capture their food?
A. Filter feedingB. Tentacles the trap food particlesC. This that shred their preyD. Absorption of pre-digested food v their cuticleE. Dinoflagellates, photosynthesis protists the 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 that StreptococcusC. Cribrostatin; cancer cells and also drug-resistant strains of StreptococcusD. Cribrostatin; tapewormsE. Penicillin; drug-resistant strains that Streptococcus
The 2 lineages that the phylum Platyhelminthes are the ________ and also the ________.
A. Catenulida; TrematodesB. Rhabditophora; TrematodesC. Catenulida; rotifersD. Catenulida; RhabditophoraE. Rhabditophora; rotifers
During usual earthworm reproduction __________.
A. Fertilization bring away place throughout copulation between males and also femalesB. Reproduction is by parthenogenesis, v no masculine participationC. Every individual fertilizes its own eggs through its own sperm (in self-fertilization)D. Hermaphroditic people exchange spermE. Hermaphroditic individuals exchange eggs
Which the the complying with is/are true around polychaete worms?
A. They room unsegmented bilateriansB. They are ecdysozoansC. They have actually a water vascular systemD. They typically live in a naval environmentE. They feed by utilizing nematocysts
In arthropods, molting is necessary due to the fact that __________.
A. Worn exoskeletons make arthropods more susceptible to predatorsB. Arthropod appendages generally increase in number together the animal agesC. The setting degrades the exoskeleton, which thus must be shed and also replacedD. The exoskeleton is progressively reabsorbed by body tissueE. The chitinous exoskeleton cannot grow
_________, account for ________ of all known animal species.

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A. Vertebrates, pets without a backbone; 95%B. Invertebrates, pets with a backbone; 95%C. Invertebrates, animals without a backbone; 95%D. Invertebrates, animals without a backbone; 99%E. Vertebrates, pets with a backbone; 95%
Tapeworms are highly dedicated worms the make your living together endoparasites. To which that the complying with phyla execute the tapeworms belong?
A. Phylum MolluscaB. Phylum ArthropodaC. Phylum NematodaD. Phylum PlatyhelminthesE. Phylum Annelida
Sponges feed by __________.
A. Soaking up nutrients indigenous the offal of their hostsB. Filtering little particles native waterC. Scraping bacteria and algae from difficult substratesD. Performing photosynthesisE. Paralyzing little crustaceans v stinging cells
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Genetic Analysis: an Integrated technique Plus MasteringGenetics v eText -- access Card Package2nd EditionJohn l Bowman, mark F Sanders
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