Coral are living colonies of small organisms divided into two different types. The first is hard coral. The second coral is flexible and includes the sea fan. What is this type called?
Because sponges are immobile, they need to have sea water flowing through their pumping systems to filter out their ______.
Oysters have two shells. What is the scientific term for this?
Hard corals use calcium carbonate to build their skeletons which forms the backbone for building _______.
Jellyfish have soft bodies composed mostly of this.
Instead of making its own hard shell, this crab uses a discarded snail shell as its substitute home.
This term describes the white color that occurs to reefs as they are dying. Warming water temperatures and pollutants appear to cause reef death.
Having chromatophores enables the octopus to change their _____in a fraction of a second.
This invertebrate is an important food source for the Leather Back sea turtle and other sea creatures. Because this animal appears similar to a floating clear plastic bag, some animals unfortunately mistake real plastic bags for food.
Arthropods are a subgroup of the invertebrates that have jointed appendages and a skeleton that is described by this term.
Verticales
Oysters snap their shells tight and squirt water when the _____ is going out.
Snails, octopi, and clams all belong to this phylum of animals.
These are located on crabs front legs and are used for fighting, breeding and obtaining food.
Invertebrates include many different animals, but what unifies them is that they lack a backbone, which is also called a _______.
Jelly fish along with other smaller plankton, move through the water by doing this with the current.
Two similar molluscs that have highly developed eyes and brains which helps them survive without having a hard shell include the octopi and the _____.
One of the oldest surviving species on earth is this crab, existing 350 million years ago. It also looks a lot like the foot of a common riding animal.
A common characteristic of many molluscs is that they have a hard _____made of calcium carbonate.
This bivalve invertebrate is edible and uses pumping valves to swim.
The oyster can close its shell with this special _______.
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