Unit 1 - Flora and Fauna Flashcards
(45 cards)
How do chiggers enter our skin?
They pierce with two mouthparts called Chelicerae
What causes the red welt to itch?
An allergic reaction to their saliva and the stylostome (straw)
What color are chiggers when they are born?
Red
How can chiggers best be killed?
Use insect repellent and shower often. They will die if they don’t have a full meal
Why are most chigger bites around the ankles, backs of knees, or armpits?
The skin is thin and the clothing is tight
Do chiggers drink our blood?
No
Is poison ivy contagious?
No
Will scratching poison ivy blisters spread the rash?
No
Once allergic will a person always be allergic to poison ivy?
No, tolerance can change throughout life
Can dead poison ivy plants cause the rash?
Yes
What causes the rash from poison ivy?
A pale yellow oil called urushiol
What is the genus of poison ivy?
Toxicodendron
What should you do if you come into contact with poison ivy?
Wash it off with cold water or rubbing alcohol
When will the rash from poison ivy start appearing?
8-48 hrs after contact
What is a variable plant? How is poison ivy variable?
Variable plants appear in many forms. Poison ivy has 3
Free standing woody stemmed shrub
Long creeping vines or stems on the ground
Fuzzy climbing vines that attach securely to things like trees and walls
What type of metamorphosis do cicadas go through?
Incomplete metamorphosis
Do male or female cicadas call for their mates?
Males
How loud are cicadas?
100 decibels
How do cicadas make their noise?
They have timbals in their abdomen (like a drum)
What is an insect skeleton called?
Exoskeleton
What are the parts of an insect?
Head, thorax, front & hind wings, abdomen
1 pair of antennae, 2 pairs of wings, 3 pairs of legs
What is the plant that butterflies lay their eggs on known as?
The host plant
What do butterflies undergo metamorphism in?
Chrysalis
Why does the parsley swallowtail caterpillar taste bad?
Uric acid
