Which is an example of an Asteroidea class?

Which is an example of an Asteroidea class?

Class Asteroidea Snapshot 1 Examples: sea stars and starfish 2 Ecology: marine 3 Key features of group: Mobile epifaunal carnivore 4 Diversity: ~4,320 living sp., ~1,237 extinct sp. 5 Fossil record: Ordovician to Recent

How many species are there in the Asteroideae family?

Asteroideae contains plants found all over the world, many of which are shrubby. There are about 1,135 genera and 17,200 species within this subfamily; the largest genera by number of species are Helichrysum (500-600) and Artemisia (550). Asteroideae is said to have begun approximately 46-36.5 million years ago.

What does the name Asteroidea mean in Greek?

Members of class Asteroidea are commonly known as sea stars or starfish (though they certainly aren’t fish). In Greek, Asteroidea means “star-like” and, as the name suggests, this class has a pentaradial body plan and is composed largely of mobile species.

What kind of plants are in the Asteroideae tribe?

Asteroideae is a subfamily of the plant family Asteraceae. It contains about 70% of the species of the family. It is made of several tribes, including Astereae, Calenduleae, Eupatorieae, Gnaphalieae, Heliantheae, Senecioneae and Tageteae. Asteroideae contains plants found all over the world, many of which are shrubby.

What kind of food does an Asteroidea eat?

Long slender arms, radius to 8 cm; color usually orange, but varies from tan to dark red or even purple. Common, on rocky substrate. Diet includes a variety of sessile invertebrates (bryozoans, tunicates, sponges), but also consumes bacterial films & fine particulate matter. Geogr. Range: Aleutian Islands to Baja

Where does Asteroidea merozoite come from in Halo?

Asteroidea merozoite was a virulant protozoal disease, native to Barugi. In 2553, it was being weaponized by the Forerunner archeon-class ancilla Intrepid Eye through the Office of Naval Intelligence aboard the research and development station, Argent Moon.