General Info
The jewel of the sea
What is a pearl?
The process arthropods go through to grow
What is Moulting or ecdysis?
Tapeworms and Planerians are examples of this phylum
What is Platyhelminthes? OR What is a Flatworm?
Mostly aquatic, with an external spiral shell
What is a Gastropod?
This animal has the ability to regenerate missing parts of their body
What is a starfish?
The change from larvae to adult for arthropods
What is metamorphosis?
Terrestrial animal that has a body divided into two parts, and four pairs of legs.
What are Arachnids?
This animal breathes through gills and their moist skin
What is an annelid?
This marine animal has tentacles attached to their heads & expel water out of a siphon
What are cephlapods?
The material that makes up the tough, hard outershell or exoskeleton
What is chitin?
Have radial symmetry, an ambulacral system, and a skeleton that grows with them as they get larger
What are Echinoderms? OR What is starfish, sea urchin?
This arthropod group has antannae, lives (mostly) on land, has 3 pairs of legs and 3 seperate body parts
What are Insects?
Common characteriscs of these phylum/ worms
What is bilateral symmetry, humid environment, and no jointed appendage?
This aquatic filter feeder responds to light, has two external shells, and possess a muscular foot
What is a Bivalve?
Aquatic, covered in holes that allows for water to flow and an internal skeleton that protects them
What is porifera?
The main characteristics of invertebrates
What is lack of backbone, internal or external skeleton, ectotherms (body temperature depends on external temp), and bilateral, radial, or asymmetry?
The cephlathorax consists of
What is the fusion of the head and thorax?
These parasites do NOT have segmented bodies and feed on the blood or liquid of the host
What are parasitic nematodes? OR What are pinworms, whipworms, & heartworms?
Common characteristic shared by all animals in this phylum
What is a shell, bilateral symmetry, external layer (mantle), and muscular foot?
These mollusks have a closed circulatory system
What are octupus and squid? OR What are cephalopods?
The 8 groups of invertebrates
What is Porifera, Cnidarians, Platyhelminthes, Nematodes, Echinoderms, Arthropods, Molluscs, and Annelids?
Two stages of reproduction for arthropods
What is Incomplete: egg->small nymph-> big nymph-> adult
What is Complete: egg->larvae-> chrysalis-> cocoon-> adult?
The differentiation between the front part/ head from the posterior
What is cephalisation?
This spiky body part helps molluscs scrape their food
What is a radula?
The process by which annelids breathe through their skin
What is cutaneous respiration?