Term
| pseudocoelomate means to have a: |
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Definition
| false body cavity between the mesoderm and endoderm layers |
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Term
| In a pseudocoelomate the coelom is: |
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Definition
| not completely lined by mesoderm |
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Term
| In a pseudocoelomate the coelom acts as what? |
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Definition
| A hydrostatic skeleton, aidig in circulation and digestion. |
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Term
| Pseudocoelomate have what kind of digestion tract |
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Definition
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Term
| Are pseudocoelomates dioecious or monoecious? |
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Definition
| They are Dioecious(males and females) and most are free living. |
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Term
| Pseudocoelomate has what kind oc evolution pattern? |
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Definition
| Convergent evolution via adaptation to similar environments. |
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Term
| Pseudocoelomate have what kind of symmetry? |
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Definition
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Term
| Are Pseudocoelomates diploblastic or triploblastic? |
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Definition
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Term
| What shape is a cross section of a Pseudocoelomate? |
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Definition
| Cylindrical in cross section. |
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Term
| Pseudocoelomate are segmented or unsegmented? |
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Definition
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Term
| Do Pseudocoelomate have cephalization? |
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Definition
| some cephalization = anterior end with a primitive brain, mouth, & sensory structures. |
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Term
| Pseudocoelomates have a thin tough covering called a _________ that may have spies or scales for protection. |
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Definition
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Term
| Pseudocoelomates shed their cuticle is called_____________. |
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Definition
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Term
| Phylum Rotifera have ___________ on _________ around lobes on heads that functions in locomotion and food gathering. |
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Definition
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Term
| Rotifers have what on the posterior end? |
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Definition
| the Posterior end has toes and adhesive glands. |
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Term
| Rotifers cuticle thickens to from the ________? |
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Definition
| lorica, a loose fitting case for protection. |
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Term
| Rotifers feed on microorganisms and suspended organic matter. Jaws (________) in pharynx grinds food. |
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Definition
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Term
| Rotifers gas exchange and nitrogenous wastes is removed by? |
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Definition
| Gas exchange and nirtogenous wastes diffuse across body surfaces. |
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Term
| Rotifers reproduce by ______________? |
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Definition
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Term
| Rotifer females have one ovary and a _____________ which produces yolk in eggs. |
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Definition
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Term
| Rotifer parthenogenetic females produce what? |
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Definition
| Parthenogenetic females produce diploid egss that hatch into diploid females. |
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Term
| Rotifer diploid eggs hatch into what? |
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Definition
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Term
| Rotifer amictic diploid eggs produce... |
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Definition
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Term
| Rotifer unfertilized mictic haploid eggs form... |
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Definition
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Term
| Rotifer fertilized mictic haploid eggs form.... |
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Definition
| amictic diploid egg over winters and hatches into amictic females. |
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Term
| Phylum Nematoda is commonly known as the.... |
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Definition
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Term
| T/F Most nematodes are psuedocoelomate. |
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Definition
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Term
| Nematodes cutile consists of what 3 layers? |
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Definition
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Term
| Nematodes have sence organs both anterior and near the anus called what? |
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Definition
| Amphids is by the anterior and phasmids is near the anus. |
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Term
| Paired ocelli are present in what species of Nematodes? |
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Definition
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Term
| Nematodes are dioecious and dimorphic, which means... |
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Definition
Dioecious - both male and females.
Dimorphic - the males are smaller than the females. |
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Term
| Nematodes that have been live births are called? |
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Definition
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Term
| Human filarial (thread) worms are found in... |
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Definition
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Term
| filarial (thread) worms live in_________ _________ causing blockages and fluid accumilation. Which is know as____________? |
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Definition
lymphatic vessels
elephantiasis |
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Term
| US filarial worm causes ____________ in animals. |
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Definition
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Term
| filarial (thread) worms is transmitted by? |
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Definition
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Term
| Phylum Nematomorpha (Horsehair worms) occur in what kind of water? |
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Definition
| Both running and standing. |
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Term
| Nematomorpha (Horsehair worms) are dioecious or monoecious? |
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Definition
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Term
| Nematomorpha (Horsehair worms) adults are... |
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Definition
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Term
| Nematomorpha (Horsehair worms) juveniles are... |
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Definition
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Term
| Nematomorpha (Horsehair worms) eggs are deposited ______________ after copulation. |
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Definition
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Term
| Nematomorpha (Horsehair worms) have a thick ________, cellular epidermis, longitudinal cords, and ___________ muscle fibers. |
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Definition
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Term
| Nematomorpha (Horsehair worms) nervous sytem of anterior ________ ___________ and vertal cord. |
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Definition
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