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Definition
| Not all industrial pollution remains in the atmosphere. Up to ___ of the CO2 emitted by human activities has been absorbed by the oceans, preventing atmospheric CO2 buildup from being much, much worse |
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Definition
| The acidity of global surface waters has increased by ___ in the last ___ years. |
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| ___ are somehow importing genes from other organisms. |
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Definition
| ___ are a group of animals that have a lophophore. |
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Definition
| Lophophorates are a group of animals that have a ___. |
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Definition
| ___ are also called Bryozoans |
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Term
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Definition
| Ectoprocta are also called ___. |
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Definition
| Members of phylum ___ are called proboscis worms. |
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Definition
| Members of phylum Nemertea are called ___. |
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Term
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Definition
| ___ are also referred to as Phoeonids |
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Term
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Definition
| Horsehoe worms are referred to as ___. |
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Definition
| ___ are marine worms up to 50 cm in length. |
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Term
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Definition
| There are only 15 known species of ___. |
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Definition
| Phoronids use their predatory ___ to capture prey. |
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Term
| Snails, slugs, oysters, clams, octopuses, and squids. |
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Definition
| Mulloscs, Phylum Mullusca includes what kinds of animals? |
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Term
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Definition
| Most mulluscs are ___(where they live) |
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Term
- a muscular foot
- a visceral mass
- a mantle |
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Definition
| what are the three main parts of all molluscs? |
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Term
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Definition
| The life cycle of many molluscs includes a ___ larval stage |
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Definition
| About 3/4 of all living species of molluscs belong to class ___. |
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Term
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Definition
| Class gastropoda has a ___, ___ shell |
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Term
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Definition
| __ are gastropods whose ancestors had shells |
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Term
| clams, oysters, mussels, and scallops |
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Definition
| Class Bivalvia includes many species of ___, ___, and ___. |
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Term
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Definition
| ___ have a shell divided into two halves. |
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Definition
| The mantle cavity of a bivalve contains ___ used for feeding and gas exchange. |
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Definition
| Class ___ includes squids and octopuses. |
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Definition
| Class ___ contains carnivores with beak jaws surrounded by tentacles of their modified foot. |
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Term
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Definition
| During the ___, shelled cephalopods filled the oceans |
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Term
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Definition
| One small group of shelled cephalopods, the ___ survives today. |
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Term
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Definition
| Squids use their ___ to fire a jet of water,which allows them to swim very quickly |
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Term
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Definition
| What is an example of an annelid? |
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Term
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Definition
| The phylum Annelida is divided into ___ classes. |
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Term
| Oligochaetes (class Oligochaeta) |
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Definition
| ___ are named for their chaetae, or bristles made of chitin |
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Term
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Definition
| Oligochates are named for their ___, or bristles made of chitin |
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Term
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Definition
| ___ includes the earthworms and a variety of aquatic species. |
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