Insects, Insect Ecology, And Echinoderms Flashcards
What kind of body do all mollusks have?
Soft bodies
A bivalve obtains food by…
Filtering it from the water
Is a snail an arthropod?
No.
What is one thing that is NOT common to all arthropods?
A backbone
An arthropod’s tough outer covering is called…
An exoskeleton.
The bodies of all spiders have…
Two body sections
Cephalopods (octupus and squid) move by…
Using jet propulsion.
What is one characteristic of insects?
One pair of antennae
Camouflage benefits insects by helping them to…
Avoid predators.
How do some insects help other living things?
By helping them reproduce.
What is a benefit of using biological controls against harmful insects?
They are natural predators of the harmful insects.
What are the stages in COMPLETE metamorphosis?
Egg, larva, pupa, and adult.
Ex. Butterfly
Molting occurs during the gradual metamorphosis of an insect whenever…..
The nymph outgrows its exoskeleton
Ex. Grasshopper
What is a characteristic of echninoderms?
Radial symmetry
How does an echinoderm use it’s water vascular system?
To move and capture food
