Which sharks lay egg cases? Shark species that lay eggs include: Bamboo sharks. Wobbegong sharks. Carpet sharks. Horn (bullhead) sharks. Swell sharks. Many catsharks. What sharks lay mermaid purses? Tubular eggcases with curly tendrils at either end are usually laid by catshark species. The female uses these strings to attach the purse to seaweed in […]
How to create a winning scientific poster?
How to create a winning scientific poster? 10 Tips for Creating Scientific Research Posters Choose Your Content Wisely. The information you can get across on a scientific research poster is very limited. Use a Program Designed for Poster Layout. Most people use PowerPoint because they already have it, know how to use it, have a […]
What is the difference between Errantia and Sedentaria?
What is the difference between Errantia and Sedentaria? A few are parasitic. The mobile forms (Errantia) tend to have well-developed sense organs and jaws, while the stationary forms (Sedentaria) lack them, but may have specialized gills or tentacles used for respiration and deposit or filter feeding, e.g., fanworms. What characteristics do Polychaetes have? Class Polychaeta […]
What are nebulae and galaxies?
What are nebulae and galaxies? A nebula is a cloud of dust and gas, usually tens to hundreds of light years across. A galaxy is much larger — usually thousands to hundreds of thousands of light years across. Nebulae are one of the many things that galaxies are made of, along with stars, black holes, […]
What is CNO cycle?
What is CNO cycle? The ‘CNO cycle’ refers to the Carbon-Nitrogen-Oxygen cycle, a process of stellar nucleosynthesis in which stars on the Main Sequence fuse hydrogen into helium via a six-stage sequence of reactions. What is the CNO cycle quizlet? The CNO cycle is a nuclear fusion cycle involving carbon, nitrogen, and oxygen. It is […]
Does warfarin inhibit Factor X?
Does warfarin inhibit Factor X? Warfarin is a vitamin K antagonist and inhibits synthesis of vitamin K–dependent clotting factors (II, VII, IX, X) and proteins C and S. What is chromogenic Factor X? The chromogenic Factor X assay (CFX) is used to monitor warfarin therapy in patients with international normalized ratio (INR) values falsely elevated […]
Are there any manual transmissions still available?
Are there any manual transmissions still available? Manual transmissions have been disappearing for some time now: Each year, fewer cars offer a stick shift as an option. There are just over 40 models in the U.S. that are still available with a manual. What are the advantages of a manual transmission? Manual transmissions improve speed […]
Do they still make Marmon trucks?
Do they still make Marmon trucks? An overcrowded American truck industry and the lack of a nationwide sales network led to the eventual failure of Marmon trucks in the USA. The last Marmon was made in 1997, and the production facilities in Garland, Texas, were taken over by Navistar’s Paystar division. When did Marmon stop […]
What can you make with empty water bottles?
What can you make with empty water bottles? 11 creative ways to use a water bottle instead of recycling it Clean your drain. Wasp trap. Paint dabbers. Glass pasta (or anything) holders. No-sew zipper bottle containers. DIY spray paint container. Sprinkler. Dog toy. What can you do with old plastic water bottles? More videos on […]
What is the difference between RS232 Rs-422 and Rs 485?
What is the difference between RS232 Rs-422 and Rs 485? RS232 is full-duplex, RS485 is half-duplex, and RS422 is full-duplex. RS485 and RS232 are only the physical protocol of communication (ie interface standard), RS485 is the differential transmission mode, RS232 is the single-ended transmission mode, but the communication program does not have much difference. How […]