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The Daily Telegraph, UK July 2010 stated that some lakes and ponds in the West Midlands contain blue/green algae caused by the heatwave. This is poisonous. They advised all dog-owners not to let their pets swim in still water. According to the article, the dogs have 5 hours between ingestion and death. One 5 year old Collie had to be injected with adrenalin and was given two and a half litres of fluid by the vet to rehydrate him. So certainly some forms of algae are dangerous.
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Why are red tides called red tides?
Red tides are named for the reddish color they give to the water. This red color is caused by a high concentration of algae that produce pigments, like chlorophyll, that can make the water appear red or brown.
What are the three types of multicellular algae?
The three types of multicellular algae are red algae, brown algae, and green algae. These groups are classified based on their pigments, cell wall composition, and overall appearance. Each type of algae plays a unique role in aquatic ecosystems.
What is the largest brown algae?
The largest brown algae is the giant kelp (Macrocystis pyrifera), which can grow up to 150 feet in length. It forms dense underwater forests in cold, nutrient-rich waters along the coastlines of the Pacific Ocean.
What are the 4 main groups of algae?
The four main groups of algae are green algae, red algae, brown algae, and diatoms. They are diverse in their characteristics, habitats, and pigments.
What are three types of multicellular algae?
Three types of multicellular algae are brown algae (Phaeophyta), red algae (Rhodophyta), and green algae (Chlorophyta). Brown algae are predominantly found in marine environments, red algae can thrive in both marine and freshwater habitats, and green algae are diverse in their habitat preferences.
