When does it being quickening?

In a chordate embryo what develops along the back of the embryo? What is heamopholia? Is ami a masculine or feminine? How long do deaf bats live for in comparison to normal ones? What size is baby dart frog at birth? What do frog tattoos mean? What is the plural possessive noun of frogs? How do amphibians eggs fertilized? Why is it that frog blood smear shaped as oval? What do Redback salamanders eat? Is a red eyed tree frog poisonous? What spider is Mount Everest home to? Do Frogs sleep at night? Why do bats live in caves? Where are the bat droppings in the adventure quest dwarfhold? What does it mean when a frog squeaks? Dengue hemorrhagic fever? All vertebrates are chordates but not all chordates are vertebrates? Is salamander a reptile or amphibian? What is the hink pink for a pair of monsters?