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How do you tell the age of a snapping turtle?

Modern-day snapping turtles look much like Proganochelys, a primitive species that lived roughly 215 million years ago and predated the dinosaurs. Like their ancestors, snapping turtles lay eggs. The sex of each egg is determined by the incubation temperature. Male or female, the tiny hatchlings are about the size of a quarter when they emerge.\nGrowth is also determined by the outside temperature. Snapping turtles in northern climates grow slower but tend to get larger than their southern cousins. The largest snapping turtle found had a carapace that measured 18.5 inches. The heaviest wild sn..

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Are the fins of a fish and the fins of a whale homologous or analogous?

In contrast, homologous structures are usually the result of divergent evolution, when two species develop from a common ancestor. A monkey's tail and the human tail bone, or coccyx, are examples of homologous structures. Humans and monkeys developed from a common ancestor that had a tail, but while monkeys kept the structure as they evolved, humans did not.

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Why do ladybugs have black spots?

Ladybugs are red, orange, yellow or black in color. Most ladybug species are spotted, but certain species only have two spots, while others can have as many as 13 spots. Multicolored Asian ladybug shells have several color patterns that include red with tiny black dots, red with multiple black spots, and black with thick red spots. Convergent ladybugs have orange shells with multiple black spots. Twice-stabbed ladybugs have solid black shells with single red spots on each side.

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What is a silvertip tetra?

The male silvertip tetra has a deeper coppery sheen than the nearly silver female. These midlevel dwellers are peaceful when kept in schools of six or more, but they tend to nip the fins of their tank mates when kept in smaller schools. Adults seldom grow longer than 2 inches. Silvertip tetras are easy to care for and require a minimum tank capacity of 20 gallons. Ideal water conditions for them are a pH level of between 6.8 and 7.5, a water temperature of 72 to 82 degrees Fahrenheit and water hardness to 20 degrees of general hardness (dGH). Adding driftwood to the tank leaches tannins into t..

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Can I give my dog a steak bone?

The two types of bones that are safe for dogs are classified as edible bones and recreational bones. Edible bones are usually the wings and necks of birds. Recreational bones are usually large femur or hip bones from cattle or bison. Cooked bones and cut bones should never be fed to dogs. Bones from chops are almost always cut from a larger piece.

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What is the enemy of a desert monitor lizard?

Since international legislation was written to prohibit the trade of this species, the greatest threat to the desert monitor lizard has become loss of habitat due to urban development and expansion of agriculture, resulting in the species becoming rare or extinct. For example, the conversion of sand or soft soil, which the monitors use for tracks, wreaks havoc on their ability to communicate and orient themselves. In remote parts of India and Pakistan, where the climate is not as favorable for humans, the animal is less endangered.\nThe monitor lizard is one of the most versatile animals on th..

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What does The Animal Rescue Site do?

The website sells animal-themed products such as apparel, home and garden items, jewelry and car accessories. It features links to causes that help animals, such as One Picture Saves a Life and A Shot at Life. It hosts petitions designed to help animals such as whales, dolphins, wolves and bees. It also provides information to educate people about animal rights causes, while providing links to action-oriented causes such as Cute Dispute and Operation Kibble. The site hosts inspiring pictures and videos related to animals and causes that help animals.\nThe Animal Rescue Site is part of a networ..

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What is the world's largest polar bear?

Polar bears feed exclusively on meat, with ringed seals being a diet staple. They are opportunistic hunters and prey on bearded and harbor seals, and other sea mammals such as beluga whales and walruses. A polar bear’s large stomach enables it to eat 150 pounds of food in a single sitting. In order to maintain their huge bulk, a polar bear must kill the equivalent of a seal every five to six days.\nDuring the summer, the pack ice melts and seals become scarcer. During this time, polar bears feed on anything that is edible, including birds, eggs, rodents and berries.

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What was the longest dinosaur?

The revelation of this massive new Diplodocus specimen caused scientists to actually amend the dinosaur's scientific name, changing it to Diplodocus hallorum. Because dinosaur discoveries happen at such a rapid rate, there may continue to be specimens proposed to be bigger than the Diplodocus, including the Amphicoelias, another proposed member of the sauropod family that is said to be the longest dinosaur ever. However, this assertion is based on very limited fossil evidence consisting of a single bone that was lost in the late 1800s.

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How long does it take to potty train a puppy?

The exact length of time it takes to potty train a puppy will depend on the puppy's age, size and breed. Some grasp the idea of potty training very quickly, while others take a little longer. As a puppy grows, his bladder also grows, and the length of time between potty breaks increases, as does his ability to hold his urine while home alone or kenneled.

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