Are diatoms K selected species?
Within textbooks, typical r-selected organisms are cited as small rodents, bacteria and diatoms with typical K-selected examples including elephants, whales and dinoflagellates.
What are diatoms in biology?
A diatom is a unicellular eukaryotic alga characterized by the siliceous covering and symmetry. Diatoms are mostly aquatic, being found in fresh, brackish, and saltwater. They comprise the taxonomic class Bacillariophyceae. They may be solitary or in colonies.
Are diatoms phytoplankton?
Phytoplankton are single-celled, free-floating, non-swimming plants. The predominant forms of phytoplankton are diatoms, golden brown algae, green algae, blue green algae, and dinoflagellates. Over 20,000 species of diatoms alone exist in the world.
What are the different types of diatom?
There are two types of diatoms found in nature. One is round, while the other is elongated. Diatoms are divided into two categories based on their form: pennate diatoms and centric diatoms.
What is K and r-selected species?
r-selected babies grow rapidly, and tend to be found in less competitive, low quality environments. K-selected species produce offspring that each have a higher probability of survival to maturity.
What kind of organism is a diatom?
single-celled algae
Diatoms are single-celled algae Diatoms are algae that live in houses made of glass. They are the only organism on the planet with cell walls composed of transparent, opaline silica. Diatom cell walls are ornamented by intricate and striking patterns of silica.
How is a diatom classified?
Diatoms are formally classified as belonging to the Division Chrysophyta, Class Bacillariophyceae. The Chrysophyta are algae which form endoplasmic cysts, store oils rather than starch, possess a bipartite cell wall and secrete silica at some stage of their life cycle.
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.