When a lizard moves from ovipary to vivipary, it can be considered an episode in live evolution. Ovipary and vivipary are two modes of reproduction seen in squamates (lizards). Oviparous squamates lay eggs while Viviparous ones give birth to full-term...
QUICK INFO OF THE DAY
Occassionally, brittle stars are seen in the body of jelly fishes. Interesting fact is the food sources of brittle stars seems to be mesozooplanktons and they were never observed with arms out in water. Then, where do they get their food from? They take food directly from the mouth or the oral arms of the jelly fish. It means, they are stealing food from the jellyfish which are pelagic predators. There are several reports of other brittle stars moving down into the feeding arms or near the mouth and stealing food directly from the host. So these are called as KLEPTOPARASITES.