Encyclopedia of Texas Seashells: Identification, Ecology,

John W. Tunnell Jr., Fabio Moretzsohn

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It will have a place of honor in all marine labs."—Paul K. The biphasic life cycle—A central theme of meta- zoan evolution. By the middle Devonian many other terrestrial arthropods (e.g., mites, amblypygids, opilionids, scorpions, pseudoscorpions, and spiders) had made their appearance. The group includes the most successful terrestrial crus- taceans—the pillbugs and sowbugs of the order Isopoda—and a few amphipods that have invaded land and live in damp forest leaf litter or gardens.

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A Systematic Review of the Ectemnius (Hymenoptera: Sphecidæ)

Raina L. Takumi

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Use the search bars to find your specific animal of choice then expand your search by using the "containing group" or links provided) Sister Species - provide a minimum of 2 closely related species based on a cladogram. In Plasmodium, the vertebrate host is commonly humans, and the invertebrate host is the Anopheles mos- quito (Figure 5.26). Our cladogram hypothesizes that the body cavity we regard as a true coelom, or eucoelom (and also the middle germ layer, or entomesoderm) arose twice in the animal kingdom.

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Australian Ladybird Beetles (Coleoptera: Coccinellidae):

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The atractophore extends toward the nu- cleus from the basal bodies. The cladogram hypothesizes the most primitive metazoans to be Porifera, fol- lowed by the Placozoa, and the two radiate phyla (Cnidaria and Ctenophora). Part of the Where to Find Minibeasts series, this books begins with a description of a minibeast habitat and follows with tips on finding these... In Chapter 24 we present a phylogenetic analysis of the animal phyla based on living animal taxa.

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Polychaetes from Scottish Waters: Family Nereidae Pt. 3: A

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Tags: customs, invasive species, khapra beetle, pests Customs officials said Wednesday they had intercepted one of the world’s most destructive grain and seed pests in a shipment of rice at Los Angeles International Airport. Times Mirror/Mosby College Publishing, NY. If you are doing the lapbook, make sure to write in complete sentences. The Role of Terrestrial and Aquatic Organisms in Decomposition Processes. The araeolaimid Plectus parvus possesed four relatively larger coelomocytes with the two pairs located between cardia and anterior ovary (Figure 5 (c)).

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Classes Annelida

Cuvier Baron

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Almost all are tropical to sub- tropical in their range, but a large temperate species (Caryb- dea alata) occurs on the Skeleton Coast of southwestern Africa. (e.g., Carybdea, Chironex, Tamoya, Tripedalia) CLASS SCYPHOZOA: Jellyfish (Figures 8.1E,F). Feeding mechanisms and the functional mor- phology of podia and spines in some New Zealand ophiuroids. I created this lesson to do with a weekly homeschool co-op. Comparative studies of the courtship and mating behavior of tropical araneid spiders.

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Attachment Devices of Insect Cuticle

Stanislav Gorb

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Gardiner and Jones (1994) describe the larva of the vestimentiferan Ridgeia as bearing a prototroch, metatroch, and neurotroch, as seen in polychaete tro- chophores. Primitively, each ommatidium probably contained eight retinular cells arising from three successive divi- sions of a single cell. Ask if the children can you think of any animals that have skeletons on the outsides of their bodies, exoskeletons. (insects) Are there other animals that have exoskeletons? (crabs,lobsters, spiders, scorpions) What animals were created with no hard skeletons at all? (worms, slugs, jellyfish, squid) What animals were created without backbones, have soft bodies, and have hard shells to protect them? (snail, crab, clam, oyster).

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A GENERAL ZOOLOGY OF THE INVERTEBRATES. FORWARD BY JULIAN S.

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They generally copulate, and their embryos undergo direct development. The unciliated epidermis covers the entire body and rests upon a thin basal lamina. Development typically protostomous; seg- ments arise by teloblastic growth 3. Although some authors classify them as a suborder of Uropygi, they are distinguished from true whip scorpions by the divisions of the proso- ma and the shorter telson. Life on land, however, did not appear until fairly recently, by geological standards, and terrestrial radiations began only about 470 mya.

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A Guide to Mosquitoes of Australia

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Very small molluscs may move largely by ciliary propulsion. Each gamont nucleus divides by meiosis without cytokinesis. Traditional grouping of phyla breaks down on re-examination of supposedly key characters, such as segmentation, body cavities, germ layers and symmetry, each of which must have had multiple origins: nor are developmental stages (especially not larvae) a reliable guide to relationships. In many families of attached bivalves, such as mus- sels and rock scallops, the foot and anterior end are re- duced.

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Crustacea, Platyhelminthes, Nematoda, Nemertea, Annelida,

Justin Gerlach

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Terrestrial gastropods conserve water by converting ammonia to uric acid, although the degree to which conservation is accomplished varies de- pending on local environmental conditions. A more extensive exhibit was then constructed and the Colorado Butterflies and Moths Exhibit opened in 1940, funded by Mrs. Somero GN, Osmond CB and Bolis CL (eds) (1992) Water and Life. Oxford University Press, New York, pp. 295–333. Animals whose cell fates are established very early are said to have determinate cleavage.

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INTRO STUDY MEIOFAUNA

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PORIFERA: Sponges NEMATODA: Roundworms These outnumber every other animal on earth. Invertebrate Embryology. (English trans- lation published by NOLIT Publishing House, Belgrade, Yugoslavia.) Malacinski, G. Academic Press, Har- court Brace, London. Morphology and evolution of the insect head. Melanins are common in the integument (cuticle and epidermis), the eyes, and inter- nal organs, but they are rare in shells.

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