A

Aberrant tooth shells, 2:470, 2:472, 2:473-474

Abiotic environments, 2:25-26

See also Habitats Acanthocephala, 2:33 Acanthodrilidae, 2:65 Acari, 2:333

Acartia clausi, 2:303, 2:304

Achatina spp., 2:414

Achatinella mustelina. See Agate snails

Achatinidae, 2:411

Acmaeiadae, 2:423

Acmaeina, 2:423

Acorn barnacles. See Rock barnacles

Acorn shells. See Rock barnacles

Acrothoracica, 2:273, 2:274

Actinotrocha spp. See Actinotrochs

Actinotrocha branchiata, 2:491

Actinotrocha harmeri, 2:491, 2:494

Actinotrocha pallida, 2:491

Actinotrocha sabatieri, 2:491

Actinotrocha vancouverensis, 2:491, 2:494

Actinotrochs, 2:491, 2:492

Active mimicry, 2:38

See also Behavior Actophila, 2:412, 2:413, 2:414 Acyphoderes sexualis, 2:38 Addisonia excentrica, 2:435 Aega spp., 2:252 Aegism, 2:32

See also Behavior Aeolidiella sanguinea, 2:406, 2:408 Aequipecten opercularis. See Queen scallops Aesop's Fables, 2:42

Aethomerus spp. See Longhorn beetles

Afrauropodidae, 2:375

African land snails, giant. See Giant African land snails African worms, 2:68, 2:69, 2:70 Agastoschizomus lucifer, 2:338, 2:340,

2:348-349 Agate snails, 2:416, 2:418 Agema spp., 2:317 Ailoscolecidae, 2:65 Alaska king crabs. See Red king crabs Alaysia spp., 2:91 Alcyonidium spp., 2:25 Allopauropus carolinensis, 2:375, 2:377 Allopauropus gracilis, 2:376 Alluroididae, 2:65 Almidae, 2:65

Alofia spp., 2:317, 2:320 Alphaeidae, 2:200 Amathimysis trigibba, 2:218, 2:220 Amblypygi, 2:333 Ambulacralia, 2:4

American horseshoe crabs, 2:327, 2:328,

2:330, 2:331-332 American king crabs. See Red king crabs American leeches. See North American medicinal leeches American oysters. See Eastern American oysters American tadpole shrimps. See Longtail tadpole shrimps Americobdellidae, 2:76 Ammonites, 2:10 Amphibolidae, 2:413 Amphibolus nebulosus, 2:117 Amphionides spp. See Amphionides reynaudii Amphionides reynaudii, 2:195 Amphionididae. See Amphionides reynaudii Amphionids, 2:195-196 Amphipods, 2:261-272, 2:263, 2:264 behavior, 2:261 conservation status, 2:262 distribution, 2:261 evolution, 2:261 feeding ecology, 2:29, 2:261 habitats, 2:261 humans and, 2:262 physical characteristics, 2:261 reproduction, 2:261-262 species of, 2:265-271 taxonomy, 2:261 Amphiprion spp. See Anemonefishes Ampullaria canaliculata. See Apple snails Ampullarioidea, 2:445, 2:446 Amynthas corticis, 2:69, 2:71 Anaea spp., 2:38 Anaspidaceans, 2:181-183 Anaspides tasmaniae, 2:181, 2:183 Anaspididae, 2:181 Anaspidinea, 2:181 Ancistrocerus inflictus. See Katydids Anecic earthworms, 2:66 Anemonefishes, 2:34, 2:34 Anemones, 2:34, 2:36 Anilocra laticaudata, 2:252 Animalia, 2:8

See also Taxonomy; specific species Annelida, 2:3, 2:25, 2:45, 2:59 evolution, 2:14

taxonomy, 2:35

See also specific annelids

Anomalodesmata, 2:451

Anoplodactylus evansi, 2:323, 2:324-325

Anostraca. See Fairy shrimps

Anostracina, 2:135

Antalis entalis. See Tusk shells

Antarctic krill, 2:185, 2:188, 2:189-191, 1:190

Anthozoa, 2:13

Anthracocaridomorpha, 2:235

Anticoagulants, 2:76

Antillesoma antillarum, 2:99, 2:100

Antrobathynella stammeri, 2:179

See also Physical characteristics Aphids, 2:25, 2:37 Aphroditidae, 2:45 Apicomplexa, 2:11 Apis spp. See Bees

Aplacophorans, 2:14, 2:379-385, 2:381, 2:382 Apochela, 2:115 Apomorphies, 2:13

Aporrectodea caliginosa. See Common field worms Apple snails, 2:448, 2:449 Apseudes intermedius, 2:237, 2:238 Apseudes spectabilis, 2:236 Apseudomorpha, 2:235 Aquaculture, 2:41 See also Humans Aquatic leaf leeches, 2:75 Arachnida, 2:25, 2:337, 2:338 behavior, 2:37, 2:335 conservation status, 2:336 distribution, 2:335 evolution, 2:333 feeding ecology, 2:335 habitats, 2:335 humans and, 2:336 physical characteristics, 2:333-334 reproduction, 2:23, 2:335 species of, 2:339-352 taxonomy, 2:333 See also specific arachnids Araneae, 2:333 Archaebacteria, 2:8 Archaeophiala spp., 2:387 Archea. See Archaebacteria Archenteron, 2:4, 2:21 Archispirostreptus syriacus, 2:364 Architaenoglossa, 2:445, 2:446 Architeuthis spp. See Giant squids Arcovestia spp., 2:91 Arctiid moths, 2:37

Arenicola marina. See Lugworms Argonauta spp., 2:476, 2:478 Argonauta argo. See Greater argonauts Argonauts, greater, 2:481, 2:483-484 Argulidae, 2:289 Argulus spp., 2:289-290 Argulus foliaceus. See Fish lice Argulus japonicus, 2:291, 2:292, 2:293 Argyrotheca cistellula, 2:524, 2:526 Arhynchobdellida, 2:75 Arion lusitanicus. See Spanish slugs Armadillidae, 2:250 Armadillididae, 2:250 Armadillidium spp., 2:251 Armadillidium vulgare. See Common pill woodlice Armadillo officinalis, 2:252 Armillifer spp., 2:318, 2:320 Armillifer agkistrodontis, 2:320 Armillifer armillatus, 2:318, 2:319, 2:320 Armillifer grandis, 2:320 Armillifer moniliformis, 2:320 Armilliferidae, 2:318 Army ants, 2:37 Art, protostomes in, 2:42

See also Humans Artemia spp., 2:136, 2:137 Artemia franciscana, 2:136 Artemia salina, 2:138 Artemiidae, 2:135 Artemiina, 2:135, 2:136 Arthropleura spp., 2:363 Arthropoda, 2:3, 2:25, 2:333 evolution, 2:14 parasitism and, 2:33 reproduction, 2:17, 2:20-21, 2:23 taxonomy, 2:5, 2:35 See also specific arthropods Arthrotardigrada, 2:115, 2:117, 2:118 Articulata. See Articulate lampshells Articulate lampshells, 2:521-527, 2:524 behavior, 2:522 conservation status, 2:523 distribution, 2:522 evolution, 2:521 feeding ecology, 2:522-523 habitats, 2:522 humans and, 2:523 physical characteristics, 2:521-522 reproduction, 2:523 species of, 2:525-527 taxonomy, 2:521 Ascothoracica, 2:273, 2:274, 2:275 Ascothorax ophioctenis, 2:277, 2:279 Asellota, 2:249, 2:250 Asellus aquaticus. See Water lice Asexual reproduction, 2:22-24

See also Reproduction Asian clams, 2:454 Aspidosiphon elegans, 2:98 Assassin bugs, 2:11, 2:38 Associative learning, 2:39-40

See also Behavior Astacidea, 2:197, 2:198 Astacus spp. See Crayfish Asteriomyzostomatidae, 2:59 Atlantic horseshoe crabs. See American horseshoe crabs Atlantic oysters. See Eastern American oysters

Atlantic sand fiddler crabs. See Sand fiddler crabs

Atta cephalotes. See Leaf cutter ants Atypus affinis. See Purse web spiders Australian watering pots. See Watering pot shells

Autotrophy, 2:11, 2:26

See also Feeding ecology Aysheaia pedunculata, 2:109

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Diabetes 2

Diabetes 2

Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...

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