Webclass Petromyzontida) exhibit a variation on the actinopterygian hormonal pheromones in which bile steroids, rather than sex steroids, function both as attractants during spawning … WebYou might find some to be hard to believe amongst fun facts. Billy goats urinate on their own heads to smell more attractive to females. Generally they urinate on themselves in late summer through fall, and for humans, …

50+ Fun Facts About Germany You Didn’t Know

WebJul 25, 2024 · 45 Interesting facts about Computers that you should know. 1. Although nowadays the computer is applicable in every sector, the truth is that computers were first invented to solve a number-crunching crisis in the U.S. In the 1880s, the U.S population had grown so much that it took almost seven years to complete the tabulation of census results. Web7 pairs of gills with external gill opening. Body fluids osmotically and ionically regulated. Dorsal nerve cord with differentiated brain, small cerebellum, 10 cranial … rockwell 5372 router

75 fantastic facts for kids to really blow their mind

WebThe larvae, called ammocoetes, are about 1-4 in. (6 mm) long. They are transparent, eyeless filter-feeders and live in muddy river bottoms, eating particles of organic matter. … WebOct 11, 2024 · 11+ articles for do shrimp have claws These claws are also very thick and depending on the species will turn a different color. They can be found in salt water and fresh water all. Shrimp have claws on two of their legs and the second segment of their shell overlaps the first and third shell segments. WebPetromyzontida definition: A taxonomic class within the subphylum Vertebrata — the lampreys . rockwell 5069 plc