What does Ecydysozoa mean?
why do Ecdysozoans need to molt?
What phyla of animals are Ecydysozoans?
Which Ecdysozoans are most abundant?
which are most diverse?
Means molting animal.
They have a hardened exoskeleton so in order to get bigger the puff their bodies full of air or water and the molt forms.
-Arthropods and Nematods
-Nematods are most abundant
-Artropods are most diverse
What makes a roundworm so round?
Their liquid in their ceolom is under high hydrostatic pressure.
Where do nematodes live?
Everywhere freshwater, seawater, land, soil, parasites of plants and animals.
How do you cure someone who has a
Slowly excise it little by little one centimeter at a time with match stick.
What is the largest intracellular
parasite? How do you catch it? How do you cure it?
Catch it by eating uncooked omnivores (pig, bear)
Can't cure it but only treat it with pain killers
Where do juveniles Trichinella worms
How do they change the cell that they enter to ensure their long-term survival?
Inside modified muscle cells and change the cell into a nurse cell. (brings O2 and food)
They eat up all the actin and myosin and force the body to grow capillary wreaths around them.
are the four characteristics of the arthropod body plan?
How does segmentation differ between the annelids and the arthropods?
Annelids- (earthworm) all the segments are alike
Arthropod- (Grasshopper) all the segments are different, head thorax and abdomin
What is an open circulatory system?
Blood is not always in a vessel. unlike humans arteries veins.
crabs, spiders, grasshoppers blood sloshes around
What are the names of the 3 major subphyla of arthropods and what are some examples
of each? You can easily distinguish among the subphyla with antennae and with their characteristic appendages. Be able to give the name and function of the characteristic appendage (e.g. chelicerae for Chelicerata) and the number of antennae present in each subphylum.