Arthropods

Question 1

Arthropod

Answer 1

invertebrate animal having an exoskeleton, a segmented body, and jointed appendages.

Question 2

Molting

Answer 2

shed old feathers, hair, or skin, or an old shell, to make way for a new growth.

Question 3

Pheromones

Answer 3

naturally occurring odorless substances the fertile body excretes externally, conveying an airborne signal that provides information to, and triggers responses from, the opposite sex of the same species.

Question 4

Thorax

Answer 4

part of the body of a mammal between the neck and the abdomen,

Question 5

Abdomen

Answer 5

part of the body of a vertebrate containing the digestive organs; the belly. In humans and other mammals, it is bounded by the diaphragm and the pelvis.

Question 6

Cephalothorax

Answer 6

a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind.

Question 7

Exoskeleton

Answer 7

rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.

Question 8

Cheliped

Answer 8

also named claw, nipper or pincer, is a pincer-like organ terminating certain limbs of some arthropods.

Question 9

Malpighean tubes

Answer 9

slender tubes normally found in the posterior regions of arthropod alimentary canals.

Question 10

Arachnid

Answer 10

class of joint-legged invertebrate animals, in the subphylum Chelicerata

Question 11

Spiders

Answer 11

air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms.

Question 12

Metamorphosis

Answer 12

process of transformation from an immature form to an adult form in two or more distinct stages.

Question 13

Crustaceans

Answer 13

very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles.

Question 14

Insects

Answer 14

class of invertebrates within the arthropod phylum that have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes and one pair of antennae.

Question 15

Antennae

Answer 15

Thin sensory appendages on the heads of insects.

Question 16

Scorpions

Answer 16

8 legs, segmented tail with venomous stinger.

Question 17

Swimmerets

Answer 17

normally found on the first five abdominal segments and typically terminate in paired oarlike branches. They function primarily for carrying the eggs in females and are usually adapted for swimming. Also called pleopod.

Question 18

Green glands

Answer 18

one of a pair of excretory organs in some crustaceans that open at the base of each antenna.

Question 19

Woodtick

Answer 19

infests wild and domestic animals, often found clinging to plants and responsible for transmitting spotted fever.

Question 20

Grasshopper

Answer 20

Plant eating insect with long hind legs. Found in grassy plains.

Question 21

Butterfly

Answer 21

an insect with two pairs of large wings that are covered with tiny scales, usually brightly colored, feed on nectar.

Question 22

Housefly

Answer 22

common insect worldwide, health hazard cause they can contaminate food.

Question 23

Mosquito

Answer 23

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.

Question 24

Crab

Answer 24

hidden entirely under a thorax. covered with a thick exoskeleton, and have a single pair of claws.

Question 25

Lobster

Answer 25

Three of their five pairs of legs have claws, including the first pair, which are usually much larger than the others.