Give an example of corals characteristics?
They don't move!
Give an example of echinoderm?
starfish, sea urchins, and sea cucumbers
How do animals like snails and clams stay safe from predators if they are so soft?
They grow a hard shell
Give one example of arthropod characteristics
Exoskeleton
Jointed legs
Bilateral Symmetry
Body segments
Open Circulatory System
3, head, thorax, abdomen
What is common characteristics for cnidarians and echinoderm?
Radial symmetry
Give an example of Class Asteroidea?
Sea star
what is mollusk original meaning?
Latin word mollis, which simply means "soft."
What does "arthro" "podo" mean?
Jointed legs
What is compound eyes?
Large, multifaceted eyes for detecting motion and light
What class is Jellyfish?
Class Scyphozoa
Where in the ocean we can find Crinoidea ?
remain attached to the sea floor by a stalk in their adult form
What is that "slime" for snails when its crawling?
It's called mucus. It acts like a little slip-and-slide that protects their soft bodies from sharp rocks and helps them glide along.
What is open circulatory system?
An open circulatory system is a type of circulatory system found in many invertebrates, such as arthropods, where blood (called hemolymph) is not confined to blood vessels but instead flows freely within body cavities, directly bathing the organs.
plague #4
What is the Greek meaning of Hydrozoa?
Hydro means water in Greek
Zoa means animal in Greek
What is the Greek meaning of Ophiuroidea?
Greek roots [ophis, snake +oura, tail]
Squids are some of the fastest swimmers in the ocean. Do they swim by kicking their legs, or by squirting water out of their bodies like a jet engine?
They use jet propulsion! They squirt water out of a tube called a siphon to blast themselves backward.
What is exoskeleton made out of?
Chitin
What is the difference between complete and incomplete metamorphosis?
Either complete (egg, larva, pupa, adult) or incomplete (egg, nymph, adult)
What makes a cnidarian?
Polyps or Medusas
Tentacles
Invertebrate
Radial Symmetry
What is their unique characteristics?
Regeneration abilities
Some mollusks, like oysters, live underwater and stay in one place. Sometimes, a tiny grain of sand gets stuck inside them. What "shiny" surprise can the oyster grow around that sand?
A pearl
Give one example in the bible that arthropod was mentioned?
The Plague of Locusts - Exodus 10:1-20
What does the word "Insect" come from and its meaning?
The word insect comes from the Latin word insectum, meaning “cut into” or “segmented,” referring to the division of the body into distinct parts.