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Biology Final
Simple Invertebrate Comparison
| Question | Answer |
|---|---|
| Porifera- Common name | sponge |
| Porifera- Body shape | sack shaped |
| Porifera- Symmetry | asymmetrical |
| Porifera- Body organization and body cavity | Sponges have no tissues or organs |
| Porifera- Hermaphrodites or separate sexes | some species are hermaphrodites while other are separate sexes |
| Porifera- Method of getting food (free living or parasite) | free living |
| Porifera- Three animal examples | glass sponge, sulfur sponge, and finger sponge |
| Cnidaria- Common name | cnidaria |
| Cnidaria- Body shape | sack shaped |
| Cnidaria- Symmetry | radial |
| Cnidaria- Body organization and body cavity | have simple tissues like muscle or nerve but no organs like a ehart or brain |
| Cnidaria- Hermaphrodites or separate sexes | some species are hermaphrodites other are separate sexes |
| Cnidaria- Method of getting food (free living or parasite) | free living |
| Cnidaria- Three animal examples | coral, jellyfish, and sea anemone |
| Porifera- Number of digestive openings | food enters many pores and leaves through large opening at the top |
| Cnidaria- Number of digestive openings | food enters and undigested food goes out through one opening |
| Platyhelminthes- Common name | flat worms |
| Platyhelminthes- Body shape | flat |
| Platyhelminthes- Number of digestive openings | food enters and undigested food goes out through one opening |
| Platyhelminthes- Body organization and body cavity | flatworms have tissues and organs like eyespots and digestive cavity but no organ system |
| Platyhelminthes- Hermaphrodites or separate sexes | some species are hermaphrodites while others are separate sexes |
| Platyhelminthes- Method of getting food (free living or parasite) | free living (planarian) or parasite (tapeworm) |
| Platyhelminthes- Three animal examples | planarian and tapeworm |
| Platyhelminthes- Symmetry | bilateral |
| Nematoda- Common name | round worms |
| Nematoda- Body shape | round |
| Nematoda- Symmetry | bilateral |
| Nematoda- Number of digestive openings | food enters at one end undigested food leaves at other end of digestive tube |
| Nematoda- body organization and body cavity | have tissues organs and a simple digestive organ system |
| Nematoda- hermaphrodites or separate sexes | all have separate sexes |
| Nematoda- Method of getting food (free living or parasite) | free living (soil worms) or parasite (trichina) |
| Nematoda- Three animal examples | soil worms, pinworms, and heart worms |
| Annelida- Common name | annelids |
| Annelida- Body shape | segmented (divided into sections) |
| Annelida- Symmetry | bilateral |
| Annelida- Number of digestive openings | food enters at one end, undigested food leaves at other end of digestive tube |
| Annelida- Body organization and body cavity | segmented worms have tissues, organs, and complex organ system (nervous, circulatory, and digestive) |
| Annelida- Hermaphrodites or separate sexes | most species are hermaphrodites only a few are separate sexes |
| Annelida- Method of getting food (free living or parasite) | free living (earthworm) or parasite (leech) |
| Annelida- Three animal examples | earthworm, leech, and bristle worm |