How does ashark reproduse?

Are fatheads and mud minnows the same? What is it called when you get turned on by animal costumes? What does the water beetle depend on for food? What is the adaptation for cocoon? Why are examples of true commensalism hard to find? What are animals called when they hatch from their eggs? Why does my cat's back keep twitching? Why does my cat use the litter box frequently? What makes little volcanoes out of sand in the ocean? Regular progression of species replacement is called? How can I effectively kill flea eggs to prevent infestations in my home? What do hamesters look like? Why does overuse of antibiotics and herbicides cause issues? What is the name of a place where wild animals hide? Are penguins a pretator to other animals? What is the maximum population that can be sustained by the available resources? How much room do hamsters need to live comfortably and thrive? What should you buy a chameleon? Is yeast toxic to dogs? What are some tips for covering a bird cage during the day to provide privacy and security for the birds inside?