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Questions and Answers
What is the study of classification of organisms?
What small organisms float or drift in the sea or freshwater?
Plankton
What organism is the base of the food chain?
Plankton
What is an organism that produces its own food or organic compounds from its surroundings?
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What is marine snow?
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What type of organism gets food by filtering small organisms from the current?
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What term describes zooplankton that are temporarily plankton then become animals?
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What are zooplankton that are only permanently plankton their whole life called?
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What is the correct order of classification?
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How are organisms classified?
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What is the first photosynthetic organism to inhabit the Earth?
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What are coccolithophores?
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What are the cell walls of coccolithophores made of?
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What phytoplankton group has cell walls made of silica?
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What is the most primitive group of phytoplankton?
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What is the most abundant type of zooplankton?
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What does the term vertical migration refer to?
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Eubacteria are considered true bacteria.
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What kingdom is composed of Eukaryotas that are not classified as plants, animals, or fungi?
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What is fungi?
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What are archaebacteria?
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What is a prokaryote?
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What is a eukaryote?
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What is a dichotomous key?
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What can dinoflagellates form?
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What causes red tides?
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What is bioluminescence?
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What are diatoms?
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What are plankton?
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What are fungus-like protists?
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What are plant-like protists?
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What are animal-like protists?
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What are foraminifera?
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Study Notes
Taxonomy and Classification
- Taxonomy is the study of classifying organisms based on characteristics and relationships.
- Organisms are classified into the hierarchy of Kingdom, Phylum, Class, Order, Family, Genus, Species.
- Classification relies on anatomical features to differentiate organisms.
Plankton Characteristics
- Plankton include small organisms that float or drift in saltwater and freshwater ecosystems.
- They serve as the foundation of marine food chains.
- Plankton are classified into two main categories: meroplankton (temporary) and holoplankton (permanent).
Types of Plankton
- Autotrophic organisms create their own food from inorganic sources.
- Filter feeders capture small organisms from water currents for sustenance.
- Cyanobacteria were the first photosynthetic organisms on Earth.
- Coccolithophores and diatoms are types of phytoplankton; coccolithophores secrete calcareous shells, while diatoms have silica-based cell walls.
- Dinoflagellates are primitive phytoplankton that can produce toxins and bioluminescent effects.
Zooplankton
- Krill are the most abundant type of zooplankton, playing a crucial role in the oceanic food chain.
- Vertical migration describes the daily movement patterns of zooplankton to evade predators.
Microbial Life Forms
- Eubacteria are considered true bacteria, while archaebacteria represent ancient life forms evolved separately from true bacteria.
- Protista includes eukaryotic organisms not suitable for classification as plants, animals, or fungi.
- Fungi are non-green, eukaryotic organisms that reproduce using spores and acquire nutrients through decomposition.
Protists
- Fungus-like protists include slime molds and water molds.
- Plant-like protists can carry out photosynthesis to nourish themselves, while animal-like protists absorb or ingest food sources.
- Foraminifera are marine protozoans with unique shell structures that assist in their identification.
Environmental Phenomena
- Red tides result from blooms of toxic dinoflagellates, causing discoloration of coastal waters.
- Bioluminescence is the ability of some organisms to produce light chemically, often seen in certain dinoflagellates.
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Description
Explore the fascinating world of marine science through these flashcards on taxonomy and plankton. This quiz covers essential definitions and concepts central to understanding the classification of organisms in aquatic environments. Perfect for students aiming to enhance their knowledge of marine biology.