arthropods

Question 1

Arthropd

Answer 1

n invertebrate animal having an exoskeleton, a segmented body, and jointed appendages. Arthropods form the phylum Arthropoda, and include the insects, arachnids, myriapods, and crustacean

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

the part of the body of a mammal between the neck and the abdomen, including the cavity enclosed by the ribs, breastbone, and dorsal vertebrae, and containing the chief organs of circulation and respiration; the chest

Question 5

Abdomen

Answer 5

the posterior part of the body of an arthropod, especially the segments of an insect’s body behind the thorax.

Question 6

caphalothorax

Answer 6

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

Question 7

Exoskeleton

Answer 7

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

Question 8

Cheliped

Answer 8

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

Question 9

Arachnid

Answer 9

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

Question 10

Malipighean tubes

Answer 10

a tubular excretory organ, numbers of which open into the gut in insects and some other arthropods.

Question 11

Spiders

Answer 11

Spiders are 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

is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal’s body structure through cell growth and differentiation.

Question 13

crustaceans

Answer 13

Crustaceans form a 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

Insects are a 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

either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods.

Question 16

Scorpions

Answer 16

Scorpions are predatory arachnids of the order Scorpiones. They have eight legs and are easily recognised by the pair of grasping pedipalps and the narrow, segmented tail, often carried in a characteristic

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 large green glands in some crustaceans (as crayfishes) that have an excretory function and open at the bases of the larger antennae.

Question 19

Woodtick

Answer 19

a North American tick that infests wild and domestic animals, often found clinging to plants and responsible for transmitting spotted fever.

Question 20

grasshopper

Answer 20

a plant-eating insect with long hind legs that are used for jumping and for producing a chirping sound. It frequents grassy places and low vegetation.

Question 21

butterfly

Answer 21

part of the class of insects in the order Lepidoptera, along with the moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering fligh

Question 22

housefly

Answer 22

a common small fly occurring worldwide in and around human habitation. Its eggs are laid in decaying material, and the fly can be a health hazard due to its contamination of 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

a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers. Crabs are abundant on many shores, especially in the tropics, where some have become adapted to life on land.

Question 25

Lobster

Answer 25

Clawed lobsters comprise a family of large marine crustaceans. They have long bodies with muscular tails, and live in crevices or burrows on the sea floor