An adult black widow spider has a black shiny abdomen, with two red triangles underneath, the shape of an hour glass. It is very small about 1.5 cm not including the legs. These spiders make their webs usually outside and in dark places. The web is often built close to the ground, near houses, or in garages. Females lay about 300 to 400 eggs per cocoon, and about four cocoon's every summer.
Eggs hatch after 5 to 10 days. Young head lice (called nymphs) are mobile and molt three times, developing into mature adults in about three weeks. Adults can live for about four weeks but do not lay eggs until after seven days. Head lice do not survive off a host for more than one or two days. Head lice do not jump or fly.
It will roll into a ball so that its stiff spines are protecting itself. The hedgehog has very poor eyesight. This was surprising for me because it would need could eyesight to be active at night. Instead of its eyes, they use their ears and sense of smell. Hedgehogs are immune to toxins so they are able to eat beetles, wasps, and some venomous
This wasp has two pairs of wings and an ovipositor on the female. The wings of the trichogramma differ from the typical membranous winged moth, as the trichogramma wings are short with long fringy hairs. Regardless of its small size, this parasitic wasp is a professional destroyer of the eggs of over 200 species of leaf-eating moths and butterflies. During the course of the female’s 10-day life, she seeks out potential host eggs, to lay her own eggs in, by picking up their scent. Once a suitable host egg is found, she measures the egg with her antennae to determine how many eggs of her own she can lie inside.
They release venom from groves in their teeth when they latch on the prey. Gilas latch on to their prey and inject venom to kill their prey into their open wound. It is interesting to know that no Gila monster has ever killed a human being. Gilas primarily feed on eggs and newborn animals.When people throw trash in the desert, the Gila monster might eat it. Gilas may spend more than 95% of their lives underground because they can go long without food.
The life cycle of a intestinal hookworm infection is that eggs are passed in the stool , and under favorable conditions like moisture and warmth, larvae hatch in 1 to 2 days. The released rhabditiform larvae grow in the feces or the soil , and after 5 to 10 days they become filariform larvae that are infective . These infective larvae can survive 3 to 4 weeks in favorable environmental conditions. On contact with the human host, the larvae penetrate the skin and are carried through the blood vessels to the heart and then to the lungs. They penetrate into the pulmonary alveoli, ascend the bronchial tree to the pharynx, and are swallowed .
Enemies include jaguarondis, foxes, dogs, ocelots, and jaguars. Also, large raptors, such as ornate hawk-eagles, black and chestnut eagles and harpy eagles, are known to hunt them. Male coatis live alone and females are found in groups. In mating season, however, they meet and reproduce. When a female is ready to have babies she leaves the others and makes a nest in a tree, and only rejoins her group when the offspring is around six weeks old.
There are about 9000 species of annelid known today. The ascaris are an intestinal worm, resembling earthworms in size and appearance. MATERIALS: * Dissecting pins * Gloves * Forceps * Lab apron * Scissors * Paper towel * Scalpel * Water * Dissecting probe * Preserved earthworm * Hand lens * Dissection tray PROCEDURE: We first put on our lab aprons, gloves, and (for the girls) make sure your hair is pulled back. We get the dissection tray and place the earthworm. Grab two dissecting pins and place them one on each end of the earthworm.
The Venus Flytrap, known to the science community as Dionaea muscipula, is most commonly found and is native to the southeastern parts of the United States and even more commonly North and South Carolina. They are also found in bogs or wetlands and some say that there is a symbiosis relationship between the venus flytrap and sphagna moss. They are a carnivorous plant but also is a heterotroph or can produce its food from sunlight. This plant is considered by many to be one of the most interesting and mysterious plants. They eat small insects and the mechanism that controls the leaf closing prevents it closing by any small thing such as a rain drop from closing the leaf.
Newly born kittens are about one foot long, weigh one pound with blackish-brown spots around their body (“Living with Wildlife in Lion Country”). They start to peek out of the den as their eyes open after three weeks while the female is on hunting for food. They become fully aware and playful after their eyes are opened. They are generally dependent on their mother for the milk (Crewe 5-6). The next part of a mountain lion’s life is its adolescence.