6th grade science ch 2

Question 1

the scientific name of an animal uses both the genus and the ___ name.

Answer 1

Species-

Question 2

about __ of all arthropods belong to the class of insects.

Answer 2

90%-

Question 3

the stages of incomplete metamorphosis are egg, __, & adult.

Answer 3

Nymph-

Question 4

all insects have __ distinct body regions

Answer 4

Three-

Question 5

all insects have __ pairs of jointed legs

Answer 5

Three-

Question 6

an insect resting in a chrysalis or cocoon is known as a __

Answer 6

Pupa-

Question 7

an insect’s __ help it to feel, hear, and taste

Answer 7

Antennae-

Question 8

the tubelike structures with which spiders squirt out long, thin streams of liquid silk are called _

Answer 8

Spinnerets-

Question 9

spiders have __ legs

Answer 9

8-

Question 10

spiders breathe by means of __

Answer 10

Book lungs-

Question 11

the very poisonous spider with a dark violin shaped mark on its body is the __

Answer 11

Brown recluse-

Question 12

the spider that makes a net small enough to hold between its legs is the __

Answer 12

Orge faced spider-

Question 13

spiders have two distinct body regions, an abdomen & a __

Answer 13

Cephalothorax-

Question 14

the spider that is the largest in the world is the __

Answer 14

Tarantule-

Question 15

many young spiders leave the nest by sailing away on silk strands, a practice called __

Answer 15

Ballooning-

Question 16

the spider that spends its entire life underwater is the __

Answer 16

Water spider-

Question 17

the spider that weaves a sheet web on a small portion of the ground is the __

Answer 17

Platform spider-

Question 18

the spider that sometimes digs a hole in the ground lines it with silk, and builds a silk trap door for it is the __

Answer 18

Trap door spider-

Question 19

scientist who study insects are called __

Answer 19

Entomologists-

Question 20

an animal that is active at night is called a __ animal

Answer 20

Nocturnal-

Question 21

most insects undergo a transformation in appearance known as __

Answer 21

Metamorphosis-

Question 22

the tough material from which the external skeleton is made is called __

Answer 22

Chittin-

Question 23

the process of arranging animals into groups according to their similarities is called __

Answer 23

Classification-

Question 24

an invertebrate that has an external skeleton, a segmented body, and jointed appendages is an __

Answer 24

Arthropod-

Question 25

the process in which an insect sheds its external skeleton is called __

Answer 25

Molting-

Question 26

the tiny hairs on a spider’s body that are very sensitive to vibrations are called __

Answer 26

Setae-