Term
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Definition
| ___ are animals that lack a backbone |
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Definition
| ___ account for 95% of known animal species |
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Definition
| Invertebrates account for ___ of known animal species |
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Definition
| ___, phylum ___ are the simplest animals |
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Definition
| ___ live in both fresh and marine waters |
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Definition
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Definition
| These animals have a porous body and lack true tissues and organs. |
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Term
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Definition
| There are more than ___ described sponge species |
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Term
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Definition
| Sponges bodies are structured with silica fibers called ___. |
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Definition
| Most sponges are ___, meaning that each individual functions as both male and female and they can produce sexually or asexually. |
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Term
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Definition
By sponges beating their flagella, the
___ create a current |
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Term
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Definition
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Term
- By beating flagella, the choanocytes create current
- Food particles are trapped in the mucus, engulfed, and either digested or passed to amoebocytes
- Amoebocytes transport nutrients to other cells of the sponge body |
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Definition
| Describe the filter feeding used by sponges. |
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Term
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Definition
| All animals except sponges belong to the clade ___, animals with true tissues |
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Term
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Definition
| ___ is one of the oldest groups the clade Eumetazoa |
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Term
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Definition
| ___ were among the earliest eumetazoans |
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Term
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Definition
| Cnidarians were among the earliest ___ |
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Term
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Definition
| Cnidarians have a wide range of ___ and ___ forms including jellies, corals, and hydras. |
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Term
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Definition
| Cnidarians have a relatively simple ___ body |
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Term
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Definition
| There are about ___ described cnidarian species |
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Term
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Definition
| All cnidarian species have ___ symmetry |
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Term
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Definition
| The body of a cnidarian is a sac with a central digestive compartment, the ___ |
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Term
| central digestive compartment |
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Definition
| The body of a cnidarian is a sac with a ___, the gastrovascular cavity |
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Term
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Definition
| A single opening acts as both mouth and anus in ___ |
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Term
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Definition
| There are two variations of the cnidarian body plan. What are they called? |
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Term
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Definition
| All cnidarians are ___ (pertaining to their eating) |
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Term
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Definition
| Cnidarians are armed with tentacles and ___ for defense and capturing prey |
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Term
| Hydrozoa, Scyphozoa, Cubozoa, and Anthozoa |
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Definition
| What classes are in the Phylum Cnidaria? |
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Term
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Definition
| Colonial polyps are in class ___ |
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Term
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Definition
| Many jellies (___), are bioluminescent. The largest have tentacles more than 100 m long |
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Term
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Definition
| The sea wasp, ___. Its poison is more potent than cobra venom |
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Term
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Definition
| Hydrozoans have ___ and ___ forms |
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Term
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Definition
| ___ have both polyp and medusa forms |
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Term
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Definition
| In the class ___ Jellies (medusae) are the prevalent form of the life cycle |
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Term
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Definition
Global warming brings poisonous jellyfish
to the ___ |
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Term
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Definition
| The class ___ includes deadly sea wasps |
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Term
| It is box shaped and has complex eyes |
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Definition
| Describe the cubozoa medusa. |
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Term
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Definition
| Class ___ includes the corals and sea anemones |
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Term
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Definition
| Class ___ occur only has polyps |
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Term
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Definition
| ___ people around the world depend on coral reefs for food and jobs. |
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Term
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Definition
| Unlike sponges and cnidarians most animal species belong to the clade ___, which have bilateral symmetry and triploblastic development |
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Term
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Definition
| Flatworms belong to the phylum ___ |
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Term
Flatworms: phylum Platyhelminthes
– Live in water, and in damp terrestrial habitats
– Are flattened dorsoventrally
– They are acoelomate |
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Definition
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Term
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Definition
| Phylum ___ is mostly marine |
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Definition
| The best-known turbellarians are ___ |
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Term
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Definition
| ___ or flukes are not so nice. They live as parasites in or on other animals |
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Term
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Definition
| Most ___ are parasites of fish, but they can infect the human liver as well |
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Term
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Definition
| ___ flukes live in the human intestine. |
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Term
1. schistosomiasis flukes live in the human intestine.
2. Flukes reproduce in the human host. Leaving eggs in feces.
3. The larvae infect snails
4. Reproduction in a snail produces larvae
5. Larvae penetrate human skin In fields contaminated with infected feces. |
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Definition
| Describe how Trematodes parasitize humans and snails |
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Term
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Definition
| Tapeworms are what class? |
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Term
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Definition
| Tapeworms are ___ and can be up to ___ ft long |
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Term
| Rotifers, phylum Rotifera |
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Definition
| ___ are tiny animals that also inhabit water and damp soil |
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Term
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Definition
| Rotifers, phylum Rotifera are one type of ___. |
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Term
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Definition
| Rotifers are smaller than many ___ |
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Term
| multicellular; complex organs |
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Definition
| Rotifers are ___ and have ___ like ours |
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Term
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Definition
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Term
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Definition
| No ___ bdelloid rotifer has ever been found. |
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Definition
| No male ___ has ever been found. |
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Term
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Definition
| Apparently for ___ years the females have been reproducing solely through cloning themselves (parthenogenesis). |
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Term
| cloning themselves (parthenogenesis) |
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Definition
| Apparently for 80 million years the females have been reproducing solely through ___ (___). |
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Term
| bacterial, fungal and even plant |
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Definition
| Swapping genetic material is normal for bacteria but it's incredibly rare in animals. But among rotifer DNA, researchers unexpectedly found traces of ___ genes. |
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