Morphology: Drum shaped discoid cells are generally circular in valve view, but can also be elliptical. Most species of Cyclotella are free floating single cells, but can be connected with gelatinous threads from valve to valve. They can also be connected by a mucilaginous sheath or envelope that surrounds the cells.
What is cyclotella Meneghiniana?
Cyclotella meneghiniana is wide spread and particularly common in shallow, nutrient rich waters. Non-motile. Planktonic.
Is cyclotella a algae?
Cyclotella | |
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Scientific classification | |
Phylum: | Ochrophyta |
Class: | Bacillariophyceae |
Order: | Thalassiosirales |
What would we call a phytoplankton?
Phytoplankton, also known as microalgae, are similar to terrestrial plants in that they contain chlorophyll and require sunlight in order to live and grow. … The two main classes of phytoplankton are dinoflagellates and diatoms.
Is Volvox a phytoplankton?
Phytoplankton (fi-toe-plank’- ton)-from a Greek word meaning “plant plus plankton.” Small, even microscopic plants that float or drift around. They are found in fresh water and salt water. Volvox is green algae that clumps to- gether in round colonies. Cells have tails, called “flagella,” which move colonies around.
What is plankton SpongeBob?
Plankton, more commonly known as Plankton (born August 21, 1961), is one of the ten main characters of the SpongeBob SquarePants franchise. He is a planktonic copepod who runs the Chum Bucket restaurant alongside Karen, a waterproof computer who is his sidekick and wife.
What are Phytoplanktons give examples?
Some phytoplankton are bacteria, some are protists, and most are single-celled plants. Among the common kinds are cyanobacteria, silica-encased diatoms, dinoflagellates, green algae, and chalk-coated coccolithophores.
Is Daphnia a zooplankton?
D. magna is a relatively large zooplankton species which makes it so vulnerable to fish predation that it is excluded from fish-inhabiting lakes. It occurs mainly in ephemeral habitats like small ponds and rockpools where vertebrate predators are rare.
Is euglena a phytoplankton or zooplankton?
Euglena can actually be classified as both phytoplankton and zooplankton. Most species of euglena are able to produce their own food using…
Is Volvox a diatom?
Volvox species can be monoecious or dioecious. Male colonies release numerous sperm packets, while in female colonies single cells enlarge to become oogametes, or eggs.
Did Plankton and Karen have a kid?
Chip Plankton II is the son of Plankton and Karen.
Does plankton have gender?
Some phytoplankton can sexually reproduce: Diatoms produce and release diploid male and female gametes – spermatogonia and oogonia – that divide by meiosis to become haploid sperm or an egg.
Who is SpongeBob’s girlfriend?
Sandra Jennifer “Sandy” Cheeks is a fictional character in the Nickelodeon franchise SpongeBob SquarePants.
What are Phytoplanktons and Zooplanktons 10?
Phytoplanktons are plants while zooplanktons are animals, this is the main difference between them. Other Crustaceans, krills are examples of zooplanktons; algae and diatoms are examples of phytoplanktons. … Phytoplanktons either produce food through chemosynthesis or photosynthesis.
What are the types of Phytoplanktons?
Phytoplankton are the single-celled organisms that play an important role in the aquatic food web, and different types include green algae, cyanobacteria, coccolithophores and dinoflagellates.
What are 3 types of plankton?
- Diatoms. These consist of single cells enclosed in silica (glass) cases. …
- Dinoflagellates. This name refers to two whip-like attachments (flagella) used for forward movement. …
- Desmids. These freshwater photosynthesisers are closely related to green seaweeds.
Are water fleas herbivores?
Water fleas are placed in the order Cladocera and are common in fresh water. There are many different species of water fleas. Daphnia are herbivores and feed on bacteria and algae but are also a food source themselves for other fresh water animals.
Are planktons?
Plankton are marine drifters — organisms carried along by tides and currents. The word “plankton” comes from the Greek for “drifter” or “wanderer.” An organism is considered plankton if it is carried by tides and currents, and cannot swim well enough to move against these forces.
Is phytoplankton biotic or abiotic?
Moreover, the phytoplankton community acts as a biotic influence and interacts with the bacterial community through direct or indirect interactions including mutualism, commensalism, parasitism, amensalism and competition (Kazamia et al. 2016; Kirchman et al.
What is true about flagellum in Euglena?
Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor. The flagellum is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water.
Which pigment is present in Euglenoid?
The two main types of pigment found in the euglenoids are the green chlorophyll molecules and the orange-red carotenoids.
What are the characteristics of Euglenophyta?
- A moderate sized group (ca. …
- Unicellular flagellates.
- Primarily freshwater, but important in some marine environments.
- Many are heterotrophic (saprotrophic or phagocytic)
- Also called Euglenozoa, euglenoids, euglenophytes.
- Distinctive cell walls composed of spiral strips, termed the “pellicle”
Is Volvox heterotrophic or autotrophic?
Volvox can be found in ponds, puddles, and bodies of still fresh water throughout the world. As autotrophs, they contribute to the production of oxygen and serve as food for a number of aquatic organisms, especially the microscopic invertebrates called rotifers.
What color is Volvox?
Just barely visible as a pale green dot to the human eye, under a microscope volvox look like hollow green spheres. chloroplasts green. Volvox are autotrophic. Individual volvox cells also have a contractile vacuole to help regulate the amount of water within the cell.
What is the relationship between Chlamydomonas and Volvox?
Chlamydomonas is unicellular and reflects the ancestral state of the group, while Volvox is multicellular and has evolved numerous innovations including germ-soma differentiation, sexual dimorphism, and complex morphogenetic patterning.
Why does plankton have a computer wife?
In “Karen 2.0,” Plankton builds a new wife to replace Karen because she is getting old. Plankton kicks Karen out and she starts working at the Krusty Krab. Eventually, Karen’s replacement (Karen 2) fights with Karen over Plankton.
Who is Karen’s baby daddy on the office?
Dan (portrayed by Dan Goor) is Karen’s husband, who works as a dermatologist in Utica. They met in a bar, and later married after Karen was transferred to the Utica branch. By the time of the season 5 episode “Lecture Circuit”, Karen is already eight months pregnant with his child.
How old is Plankton from SpongeBob?
Sheldon James Plankton (age 59 as in The Algae’s Always Greener episode) is a dark green Plankton. He is the main antagonist of SpongeBob SquarePants and was the protagonist of the canon episode The Algae’s Always Greener. His main goal in life is to steal the Krabby Patty formula from Mr.
Who eats phytoplankton?
Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales.
How old is Mr Krabs?
Eugene H. Krabs | |
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Gender | Male |
Age | 78 |
Color | Red |
Hometown | Bikini Bottom |
Who is Pearl’s real dad?
Pearl is a teenage sperm whale who lives in a hollow anchor with her father Eugene “Mr.” Krabs, the greedy founder of the popular Krusty Krab restaurant. Pearl will inherit the restaurant and become its owner when she grows older.
Who does Squidward have a crush on?
Squilvia is an octopus who appears in the episode “Love That Squid.” In the episode, Squidward goes on a date with her.
Does SpongeBob have ADHD?
The characters are based on different mental disorders.
SpongeBob has Attention Deficit Hyperactivity Disorder (ADHD); Patrick has eating disorders; Squidward has Obsessive Compulsive Disorder (OCD); Sandy is narcissistic; Mr.