2Nd 9 Weeks Study Guide

Front 1

midgut

Back 1

the middle part of the alimentary canal, including the small intestine in invertebrates

Front 2

crypsis

Back 2

is the ability of an animal to avoid observation or detection by other animals

Front 3

flea

Back 3

a small wingless jumping insect which feeds on the blood of mammals and birds. It sometimes transmits diseases through its bite, including plague and myxomatosis.

Front 4

pharynx

Back 4

The membrane-lined cavity behind the nose and mouth, connecting them to the esophagus

Front 5

protonephridia

Back 5

a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore

Front 6

snail

Back 6

a mollusk with a single spiral shell into which the whole body can be withdrawn

Front 7

centipede

Back 7

a predatory myriapod invertebrate with a flattened elongated body composed of many segments. Most segments bear a single pair of legs.

Front 8

gravid

Back 8

pregnant; carrying eggs or young.

Front 9

mosquito

Back 9

a slender long-legged fly with aquatic larvae. The bite of the bloodsucking female can transmit a number of serious diseases including malaria and encephalitis.

Front 10

brown recluse

Back 10

a brown venomous North American spider, identifiable by the dark brown violin-shaped marking on the top of its orange-yellow head

Front 11

proboscis

Back 11

(in some worms) an extensible tubular sucking organ.

Front 12

strobila

Back 12

the segmented part of the body of a tapeworm that consists of a long chain of proglottids.

Front 13

ascaris

Back 13

a parasitic nematode worm of a family ( Ascaridae ) whose members typically live in the intestines of vertebrates.

Front 14

proglottid

Back 14

each segment in the strobila of a tapeworm, containing a complete sexually mature reproductive system.

Front 15

bloodfluke

Back 15

a parasitic flatworm which needs two hosts to complete its life cycle. The immature form infests freshwater snails and the adult lives in the blood vessels of birds and mammals, causing bilharzia in humans.

Front 16

mandible

Back 16

the jaw or a jawbone, especially the lower jawbone in mammals and fishes.

Front 17

lyme disease

Back 17

an inflammatory disease characterized at first by a rash, headache, fever, and chills, and later by possible arthritis and neurological and cardiac disorders, caused by bacteria that are transmitted by ticks.

Front 18

auricles

Back 18

is the visible part of the ear that resides outside the head.

Front 19

cephalization

Back 19

the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.

Front 20

scolex

Back 20

the anterior end of a tapeworm, bearing suckers and hooks for attachment.

Front 21

heart worms

Back 21

is a parasite especially in the right heart of dogs and is transmitted by mosquitoes

Front 22

entomology

Back 22

the study of insects

Front 23

dorsal

Back 23

of, on, or relating to the upper side or back of an animal, plant, or organ.

Front 24

endocrine system

Back 24

a chemical messenger system comprising feedback loops of hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs

Front 25

setae

Back 25

A stiff hair, bristle, or bristlelike process or part on an organism.

Front 26

anaesthetic

Back 26

is an induced reversible loss of pain and other sensations. what the leach gives it’s host

Front 27

horseshoe crab

Back 27

marine creature with blue blood. we use the blood for medical equipment

Front 28

closed circulatory

Back 28

the blood stays within blood vessels

Front 29

peristonmium

Back 29

is the first true body segment in an annelid worm's body in the anterior end

Front 30

tagmata

Back 30

(in the bodies of arthropods and some other segmented animals) a morphologically distinct region, typically comprising several adjoining segments, such as the head, thorax, and abdomen of insects.

Front 31

harvestmen

Back 31

daddy long legs

Front 32

larva

Back 32

the active immature form of an insect, especially one that differs greatly from the adult and forms the stage between egg and pupa, e.g. a caterpillar or grub

Front 33

funnel web

Back 33

a funnel-shaped spider web; the funnel-web spider perches in the center of the web.

Front 34

tubeworms

Back 34

a marine bristle worm, especially a fan worm, which lives in a tube made from sand particles or in a calcareous tube that it secretes.

Front 35

tsete fly

Back 35

an African bloodsucking fly which bites humans and other mammals, transmitting sleeping sickness and nagana.

Front 36

annuli

Back 36

is an external circular ring.

Front 37

posterior

Back 37

pertaining to or toward the rear or caudal end of the body

Front 38

malaria

Back 38

an infectious disease caused by a parasite, called Plasmodium that invades red blood cells and liver cells. The parasites are transferred to humans by the bite of an infected Anopheles mosquito.

Front 39

ocelli

Back 39

the simple eye of insects and some other invertebrates, consisting basically of light-sensitive cells.

Front 40

spider crab

Back 40

any of a family (Majidae) of crabs with extremely long legs and nearly triangular bodies

Front 41

crop

Back 41

A pouchlike enlargement in which food is partially digested or stored

Front 42

hydrostatic

Back 42

In soft-bodied invertebrates, the coelomic fluid, held under pressure; this maintains the shape of the animal and allows surrounding muscles to contract against it to provide locomotion.

Front 43

hydrostatic

Back 43

is a flexible skeleton supported by fluid pressure.

Front 44

neurotoxin

Back 44

synthetic or naturally occurring substances that damage, destroy, or impair the functioning of the central and/or peripheral nervous system.

Front 45

gizzard

Back 45

a thick-walled, muscular pouch in the lower stomach of many birds and reptiles that grinds food, often with the aid of ingested stones or grit.

Front 46

parapodia

Back 46

ach of a number of paired muscular bristle-bearing appendages used in locomotion, sensation, or respiration.

Front 47

chemosynthesis

Back 47

is the conversion of inorganic carbon-containing compounds into organic matter such as sugars and amino acids.

Front 48

millipede

Back 48

venomous nonpredaceous arthropod of the order diplopoda, characterised by two pairs of legs per leg-bearing segment.

Front 49

castings

Back 49

earthworm poop

Front 50

peristaltic

Back 50

is when certain muscles in the body automatically contract and relax.

Front 51

ticks

Back 51

carry lyme disease

Front 52

chelipeds

Back 52

either of two legs which each carry a claw