Bio 2 Lab Test 3 Grasshopper

Arthropod

Grasshopper jointed appendages

Forewings

Grasshopper anterior wings used for gliding and protection

Tibia

Grasshopper lower portion of jumping legs

Head, thorax, abdomen

Grasshopper body regions

Hindwing

Grasshopper smaller wing underneath used for flight

Thorax

Grasshopper body region with wings attached

Thorax

Grasshopper body region with legs

Tympanum

Grasshopper eardrum to hear sounds

Tracheal tubes

Grasshopper fibers that are used for exchanging gases between exoskeleton and organs

Chitin

Grasshopper exoskeleton material

Mouth, esophagus, crop, gizzard, stomach, intestine, rectum, anus

Grasshopper digestive tract order

Gastric caeca

Grasshopper digestive glands between crop and stomach

Malpighian tubules

Grasshopper tubules used to remove metabolic waste (primitive kidney)

Invertebrate

Grasshopper vertebrate or invertebrate?

Compoud eyes

Grasshopper eye with many lenses that can distinguish details and form images
One pair

Simple eyes (ocellus)

Grasshopper eye that perceives changes in light

Three small eyes

Arthropoda insecta

Grasshopper phylum and class

Hemiptera

Insects with two pairs of wings. Top wings are thick and leathery near the body but thin at the ends

Homoptera

Insects with two pairs of wings. Front pair are usually clear, longer, narrower than back pair. When resting, wings are folded roof-like over the back

Lepidoptera

Insects with two wings. Wings may be brightly colored with scales

Orthoptera

Insects with two pairs of wings that are different. First pair are leathery and are heavily marked with veins. Top pair cover the thinner wings underneath

Orthoptera

Order of grasshopper

Spiracles 20

Grasshopper small lateral openings on the body where air enters the trachea

How many?

Mandible 2

Grasshopper mouthpart used for biting, chewing, cutting

How many?

Maxillae 2

Grasshopper mouthpart used to hold food, taste, manipulate food

How many?

Labium 1

Grasshopper mouthpart lower lip forming mouth floor

How many?

Esophagus

Grasshopper organ that connects mouth to crop

Crop

Grasshopper organ that holds food temporarily

Gizzard (proventriculus)

Grasshopper organ that grinds food

Ventriculus

Grasshopper stomach that digests food and absorbs nutrients

Intestine

Grasshopper organ that absorbs water and eliminates waste from body

Rectum

Grasshopper organ that stores and processes waste from the body

Hindlegs

Grasshopper legs used for jumping

Forelegs

Grasshopper legs used for walking, climbing, holding food

Middle legs

Grasshopper legs used for walking, climbing

Spine and tarsus

Grasshopper features on tibia that allow to help hold onto plants

Antennae

Grasshopper sensory structure to detect odors, temperature, humidity, air movement, taste

Ovipositor

Grasshopper tool to dig holes into soil to lay eggs

Way to determine sex

Pronotum

Grasshopper thick plate covering the dorsal surface of thorax

Open circulatory system

Grasshopper circulatory system type

Open circulatory system

Blood does not flow through closed vessels

Flows freely through body cavities

Hemolymph

Blood that bathes organs directly in open circulatory system

Pale yellow color

Does not carry oxygen only nutrients and hormones

Ostia

Small openings in heart for hemolymph to enter in open circulatory system