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Mammals

The world is home to 4260 named species of mammals. Mammals, or Mammalia are a class in the Phylum Chordata and the Subphylum Vertebrata. An animal is a mammal if, providing it is female, it can produce milk to feed its young.

2,954 Questions

Are humans made out of mud?

Yes, the human body is made up of materials found on the surface of the ground. Oxygen, being the most abundant element on the earth's crust or on the ground, makes up 65 percent of the human body, and carbon, also abundant on the top soil of the ground, is 18 percent, and hydrogen is 10 percent. The 59 elements found in the human body are all found on the earths crust. This is amazing because what the Bible says perfectly match the scientific composition of a human body.

What do carnivorous mammals eat?

Carnivorous mammals primarily feed on other animals for their nutrition. Their diet typically consists of meat from a variety of sources such as other mammals, birds, fish, insects, and in some cases, even reptiles. These mammals have evolved sharp teeth, powerful jaws, and digestive systems suitable for processing and extracting nutrients from animal protein.

Which marsupials hibernate?

There is only one marsupial which truly hibernates, and that is the Mountain Pygmy possum.

Other marsupials may enter a period of torpor, which is not the same as hibernation. These marsupials include the numbat, marsupial mole and other species of pygmy possums.

What mammalian group lay eggs?

The sub-group of mammals which lay eggs are called monotremes.

This group includes the platypus and the two species of echidna.

Where do mammals have bladders?

Mammals, including humans, have bladders located within their lower abdomen. The bladder is a muscular organ that stores urine produced by the kidneys until it is released from the body through the urethra.

What is an example of a mammal that mates in water?

One example of a mammal that mates in water is the bottlenose dolphin. Dolphins engage in mating behaviors such as courtship displays and copulation underwater.

The bones in the forelimbs of mammals are said to be?

homologous structures, meaning they share a common evolutionary origin despite serving different functions in various species. For example, the bones in the forelimbs of humans, bats, and whales all evolved from a common ancestor but have adapted to perform tasks like flying, swimming, or grabbing.

Which type of mammal is more likely to survive in a sub-zero climate?

Mammals with thick fur, a layer of fat for insulation, and the ability to conserve body heat, such as polar bears or arctic foxes, are more likely to survive in sub-zero climates. Their evolutionary adaptations help them withstand extreme cold temperatures.

What is the largest land mammal in the arctic?

The largest land mammal in the Arctic is the muskox, which can weigh up to 900 pounds and stand over 4 feet tall at the shoulder. Muskoxen have a thick coat that helps them withstand the harsh Arctic conditions and are known for their distinctive curved horns.

What are the similarities and differences between mammals and reptiles?

Similarities: Both mammals and reptiles are vertebrates, breathe air, and are warm-blooded.

Differences: Mammals give live birth, have hair or fur, and produce milk to feed their young, while reptiles lay eggs, have scales, and do not produce milk.

How many species of mammals are there in north America?

There are approximately 462 species of mammals in North America. This includes a diverse range of animals such as bears, deer, squirrels, and bats, among others.

Does hair in mammals have any uses other than warmth?

First of all, most mammals have fur rather than hair.

Both fur and hair primarily provide warmth. Fur and hair, however, also provide distinctive markings that can be involved in mating, aid in touch-sense input, and provide protection from the sun.

In addition, some more aquatic mammals (such as seals and otters) have a high oil content in their coats, which aids in buoyancy in the water.

I'm almost certain that fur and hair have other uses, especially if you add whiskers into the larger hair-and-fur discussion.

What is a mammal that sleeps hanging upside down?

One example of a mammal that sleeps hanging upside down is the bat. Bats are able to hang upside down due to special tendons in their feet that lock into place when they roost. This position allows them to take off quickly if needed while providing safety from predators.

What are other animals apart from mammals?

Other animals include; amphibians, reptiles, birds, fish, insects, worms, molluscs and many more.

What are the advantages of mammals having internal lungs?

Having internal lungs allows mammals to efficiently exchange gases with a large surface area, maximizing oxygen uptake from the air. It also helps protect the lungs from drying out and injuries. Additionally, internal lungs provide a better control over the breathing process, enabling mammals to regulate their respiration rate as needed.

Why did humans evolve but cheeks?

Humans evolved to have buttocks (cheeks) as part of their anatomy for various reasons including providing cushioning for sitting, aiding in balance and movement, and facilitating heat dissipation. Additionally, having well-developed gluteal muscles is important for posture and overall body strength.

Why might mammals store lipids rather than carbohydrates?

Lipids (fats) are heavier, more calorie dense and are not water soluble...which makes them a better candidate for storage in an animal system...fat is also a great insulator that helps maintain body temperature. Fat is also a better, more flexible for animals which need to move.

Plants convert and store carbohydrates in the form of starch and cellulose. Cellulose is structural, not generally flexible...

Is a Yorkshire Terrier a heterotroph or an autotroph?

A Yorkshire Terrier is a heterotroph. Heterotrophs are organisms that cannot produce their own food and must consume other organisms to obtain nutrients for energy.

What mammals eat the most?

Depends on how you count. A blue whale will probably eat the most in weight during a day, while something like a shrew will probably eat the most compared to its body weight.

The big cats can eat huge amounts compared to their body weight too, but then they'll spend 3-4 days sleeping it off, bringing their average down.

Are the legs of a cat and fins of a whale homologous or anologous?

The legs of a cat and fins of a whale are analogous structures because they have different evolutionary origins but serve a similar function in terms of movement. Homologous structures would be when two species share a common ancestor and have similar structures with different functions.

The gestation perod for all mammals is?

The gestation periods for mammals differs greatly. In general it appears to be very short in small mammals, (some shrews and mice are only a few days) while increasing in length as the mammal increases in size. Elephants, hippos, bears whales and other large mammals have gestation periods lasting 9 to 18 months.

Why are vampire bats nocturnal?

Vampire bats are nocturnal because their prey, primarily livestock, are usually sleeping at night, making them easier to feed on without detection. Additionally, nighttime offers better cover and protection from predators for vampire bats while they hunt.

Do all mammals need lungs to breathe?

No, all mammals need lungs to breathe, as lungs are the primary organs responsible for gas exchange. Mammals have evolved to depend on lungs for respiration due to their efficient exchange of oxygen and carbon dioxide with the blood.