Search results
Results From The WOW.Com Content Network
Larval dispersal is one of the most important topics in marine ecology, today.Many marine invertebrates and many fishes have a bi-phasic life cycle with a pelagic larva or pelagic eggs that can be transported over long distances, and a demersal or benthic adult. [1]
Most bony fish eggs are referred to as telolecithal which means that most of the egg cell cytoplasm is yolk. [1] The yolky end of the egg (the vegetal pole) remains homogenous while the other end (the animal pole) undergoes cell division. [2]
The egg cell is generally asymmetric, having an animal pole (future ectoderm). It is covered with protective envelopes, with different layers. The first envelope – the one in contact with the membrane of the egg – is made of glycoproteins and is known as the vitelline membrane (zona pellucida in mammals).
Nautiluses reproduce by laying eggs. Gravid females attach the fertilized eggs, either singly or in small batches, to rocks in warmer waters (21–25 Celsius), whereupon the eggs take eight to twelve months to develop until the 30-millimetre (1.2 in) juveniles hatch. [34]
Pseudocopulation: [25] the acorn barnacle uses its long penis to reach across to transfer sperm to another individual nearby. [26] Most barnacles are hermaphroditic, producing both eggs and sperms. A few species have separate sexes, or have both males and hermaphrodites. The ovaries are located in the base or stalk, and may extend into the ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
How long do hard-cooked eggs last in the fridge? ... Boiling 1-4 eggs at once. If you're boiling anywhere from one to four eggs at once in a saucepan, bring the water to a rolling boil with the ...
Read on for her insight into how long eggs really last, along with easy tricks and strategies for telling a bad egg from a good one. How Long Do Eggs Stay Fresh? Per the FDA, for the best quality ...