A
B
C
D
E
100

How do you call the egg-laying female in a colony of bees or ants?

queen

100

How do you call animals without backbones?

invertebrates

100

How do you call the fin at the top part of a fish?

dorsal

100

Which is the largest known fish?

whale shark

100

Which is the substance that composes the exoskeleton of the arthropod?

chitin

200

How do you call an immature insect that lacks wings?

nymph

200

How do you call the fin at the rear part of a fish?

caudal

200

What is the W-shaped bands in which a fish's muscles are arranged?

myomeres

200
Which are the two major group of fish?

bony and cartilaginous

200

How do you call the sperm-containing fluid produced by a male fish?

milt

300

How do you call the vanelike projections from the front of the gill that protects them by straining debris from the water?

gill rackers

300

How do you call the organ that is on each side of the fish's head and allow the fish to extract oxygen from water?

gills

300

Which part of the insect has the wings attached to it?

thorax

300

How do you call the bony plates embedded in a fish's skin that act as a protective covering?

scales

300

Which are the two cartilaginous fish that lack jaws?

lamprey and hagfish

400

Which order have wings covered with tiny scales?

lepidoptera

400

What is defined as any insect with piercing-sucking mouthparts and a half-wing design?

bug

400

What organ allow fish to sense faint vibrations and pressure changes in water?

lateral line

400

Which order have hard, shell-like forewings?

coleoptera

400

How do you call the gill cover on each side of a fish head?

operculum

500

Which order includes the most common social insects?

hymenoptera

500

Which order includes pestilent insects such as flies, mosquitoes, and gnats?

diptera

500

Which order have toothlike projections on their mouthparts?

odonata

500

Which part of the insect's body contains the heart and the majority of the systems?

abdomen

500

Which order contains the true bugs?

hemiptera