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Arthropods
the study of organisms in this group
59
Science
7th Grade
02/20/2009

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Cards

Term
Characteristics of Arthropods
Definition

jointed appendages

bilateral symmetry

exoskeleton

 

Term
What systems do we find in the phylum Arthropods
Definition

digestive

nervous

ciculatory

excretory

muscular

respiratory

reproductive

Term
What is the function of the exoskeleton
Definition

protects

supports

prevents water loss

Term
How are the sexes distributed
Definition
there is one sex in one body
Term
what type of fertilization
Definition
sexual/internal
Term
What are the 3  body sections of an insect
Definition
head/thorax/abdomen
Term
What is the function of the antenna
Definition
it is used for touch and smell
Term
What is the function of the simple eye
Definition
it can see light and daRK
Term

what is the function of the compound eye

Definition
it can see color and movement
Term
what parts are found in the thorax region
Definition

3 pairs of legs

walking

jumping grasping

Term
what parts are found in the abdomen
Definition

2 pairs of wings

spiracles

ovipositor

Term
name the 2 wings and their function
Definition

forewing-protection

hindwing-flight

Term
what is the ovipositor
Definition
it is the female structure for digging and laying eggs
Term
whaty is molting
Definition
shedding one's exoskeleton during a growth period
Term
What are the 2 types of metamorphosis called
Definition

incomplete-egg/nymph/adult

complete-egg/larva/pupa/adult

Term
what are several structures used for food getting
Definition
mandibles,siphons
Term

what are centipedes

Definition

organisms with 100 feet

Term
what is a millipede
Definition
organisms with 1000 feet
Term
what is a predator
Definition
an organism which captures and eats its prey
Term
name several crustaceans
Definition
crabs,lobsters,shrimp,pill bug,water flea
Term
what are characteristics of crustaceans
Definition

live in moist areas

5 pairs of legs   5 swimmerets

regeneration

gills

Term
what are swimmerets used for
Definition

breathing

movement

respiration

Term
what are arachnids
Definition
spiders/scorpions
Term
what are the characteristics of arachnids
Definition

book lungs

8 legs

spin webs

poisonous sting

Term

what is a social insect

Definition
one that lives in a group(bees/termites)
Term
what does the nervous system of a grasshopper have as its parts
Definition
ganglia and 2 nerve cords
Term
how do the muscles in a grasshopper work
Definition
they work in opposition to one another-one of the pair contracts while the other relaxes
Term
what is the function of the mouth
Definition
chews the food and mixes it with saliva
Term
what is the function of the esophagus
Definition
transports food from mouth to the crop
Term
what is the function of the crop
Definition
storage of food
Term
what is the function of the gizzard
Definition
chews the food
Term
what is the function of the stomach
Definition
digests the food
Term
what is the function of the digestive glands
Definition
secrete digestive enzymes to dissolve food
Term
what is the function of the intestine
Definition
absorbs nutrients from digested material
Term
what is the colon
Definition
stores the waste
Term
what is the rectum
Definition
absorbs the excess water from the waste
Term
what is the anus
Definition
exit area for waste products (solid)
Term
what are spiracles
Definition
holes on the abdomen which allow for entrance of oxygen and exit of carbon dioxide
Term
what are tracheads
Definition
air tubules that run through the body and circulate  around the organsair
Term
what are malpighian tubules
Definition
they are structures which get rid of liquid waste
Term
what are salivary glands
Definition
secrete an enzyme saliva which aides in digestion
Term
what does the heart do
Definition
pumps blood through the body
Term
what does the ovary do
Definition
makes eggs
Term
what does the oviduct do
Definition
transports eggs to uterus
Term
what does the uterus do
Definition
stores the eggs until they are fertilized
Term
what are the 4 parts of the mouth and their function
Definition

mandible

maxillae

labrum

labia

all hold and chew food

 

Term
how does the grasshopper chew its food
Definition
it moves its mouth parts side to side
Term
what are the four parts of the leg
Definition

trochanter joint-attaches leg to body

femur-largest part of leg

tibia-mid section of leg

tarsus-pad/foot of leg

Term
what is the tympanic membrane
Definition
it is a small cicular light in colr structure found under the wings which is used for hearing
Term
how many segments are in the abdomen of a grasshopper
Definition
11
Term
what is chitin
Definition
it is the hard substance which makes up the exoskeleton of the arthropods
Term
what is the function of the 3 legs
Definition

jumping-jump

walking-walk

grasing/foreleg-grabs/holds

Term
what system do the legs and wings belong to
Definition
skeletal and muscle system
Term
what parts belong to the nervous system
Definition
brain and ganglia
Term
what parts belong to the respiratory system
Definition
spiracles and tracheads
Term
what parts belong to the reproductive system
Definition

ovipositor

oviduct

uterus

testis

ovary

seminal vesicle

Term
what parts are in the digestive system
Definition

tongue

pharynx

esophagus

crop

gizzard

stomach

intestine

digestive glands

salivary glands

Term
what are the parts of the excretory system
Definition

colon

rectum

anus

malpighian tubules

Term
what parts make up the muscular-skeletal system
Definition

mouth parts

legs

wings

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