For starters, the larvae (caterpillars) of butterflies eat ONLY leaves of plants. Different caterpillars like to eat certain kinds of plants. The leaves allow the caterpillar to grow and get all of the vitamins needed to transform into a beautiful butterfly.
The nerve system, sensory organs and legs. . The body. The body of a spider has two distinct parts. The first, front, part consists of a fused head and breast part, called as prosoma or cephalothorax.It is made from a hardened material, called chitin. The second, rear, part is the soft abdomen, called opisthosoma. A tiny tube called pedicel connects the cephalothorax and abdomen.he first, front, part consists of a fused head and breast part, called as prosoma or cephalothorax. It is made from a hardened material, called chitin. The second, rear, part is the soft abdomen, called opisthosoma. A tiny tube called pedicel connects the cephalothorax and abdomen.
This marking signifies a female southern black widow. A male black widow has a distinctive pattern on the dorsal side (or upper side) of the spider's abdomen that consists of a row of reddish dots and white or yellow lines.1  Occasionally, the color of the hourglass can be yellow or orange, and every once in a while, you can find a female with only one triangle.. Examine the shape of the abdomen. Black Widows have plump, rounded abdomens that are directly attached to the spiderâs thorax, behind the spider's back pair of legs.The abdomen is the same color as the head and is where you will find any distinctive markings on the spider.