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Flatworms
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What phylum is strictly marine with no freshwater or terrestrial forms?
Ectoprocta, also known as bryozoans, is a phylum of strictly marine animals with no freshwater or terrestrial forms. These colonial filter-feeders build hard exoskeletons and are found in oceans worldwide.
What is the name of a small marine crustacean?
The class Crustacea comprises the majority of the marine species of the arthropods, although there are many freshwater species and even a few terrestrial ones such as the common sowbug. The most familiar are shrimps, crabs, and lobsters, but the diversity of the crustaceans in form and biology ranges from the gigantic king crab of the Pacific Ocean to a myriad of planktonic forms comprising the dominant herbivores of the ocean.
What are the types of precipitation in the marine biome?
Types of precipitation in the marine biome include rain, snow, sleet, and hail. These different forms of precipitation play a crucial role in the water cycle and affect the marine ecosystem by providing freshwater to both marine organisms and coastal habitats.
Why are aquatic ecosystem divided into two categories marine and freshwater ecosystems?
Aquatic ecosystems are divided into marine and freshwater categories primarily based on their salinity levels. Marine ecosystems, which include oceans and seas, have high salt concentrations, supporting diverse life forms adapted to these conditions. In contrast, freshwater ecosystems, such as rivers, lakes, and wetlands, have low salinity, hosting species that thrive in these less saline environments. This division helps scientists study and manage these ecosystems according to their unique characteristics and ecological processes.
What are 2 major categories of biomes?
Two major categories of biomes are terrestrial biomes and aquatic biomes. Terrestrial biomes include ecosystems such as forests, deserts, grasslands, and tundras, characterized by their climate, soil, and vegetation types. Aquatic biomes encompass both freshwater environments, like rivers and lakes, and marine environments, including oceans and coral reefs, distinguished by factors like salinity and depth. Each biome supports diverse life forms adapted to their specific conditions.
What is the scientific name of the calcarea?
The Calcarea is a cellular sponge. They are strictly marine sponges. Their scientific name is Calcispongiae. They are made out of calcium carbonate.
Where did most of the paleozoic era life forms live?
During the Paleozoic era, most life forms were concentrated in the oceans, particularly in shallow tropical seas. Marine life included trilobites, brachiopods, ammonites, and early fish species. Terrestrial life was limited to simple plants, fungi, and some arthropods.
Studies life forms found in the ocean?
marine biologist
Who studies the life forms in the ocean?
a marine biologist
Studies the life forms in the ocean?
A Marine Biologist
Do freshwater fish have ampullae of lorenzini?
Freshwater fish do not have ampullae of Lorenzini, which are specialized electroreceptive organs primarily found in certain species of cartilaginous fish, such as sharks and rays. These organs allow these marine species to detect electric fields in the water, aiding in navigation and hunting. While some fish, like catfish, possess other forms of electroreception, they do not have the same structure as the ampullae of Lorenzini found in their marine relatives.
In what four ways do polychaetes differ from oligochaetes?
Polychaetes have parapodia with chaetae for locomotion, have well-developed heads with sensory organs, exhibit a wider range of body forms, and primarily live in marine environments. Oligochaetes, on the other hand, lack parapodia and have fewer chaetae, have less specialized heads, mostly have a uniform body structure, and are mostly found in freshwater or terrestrial habitats.
