So, hair is believed to have evolved in therapsids as an adaptation for insulation, but modern mammals have adapted hair for several other purposes. Why?

Q: Mention the functions of feathers?

A: The members of the group vertebrate are fishes, amphibians, reptiles, birds and mammals. The birds…

Q: When we are underwater for extended periods of time we see that our fingers and toes become wrinkled…

A: Dermatoglyphic are the ridges on our skin that leave finger and toe prints. Dermal papillae and…

Q: Bony box in turtles are covered by epidermal keratinized scales called

A: Reptiles  In reptiles, outer layer of skin contain Beta- keratin.

Q: Fill in the blanks: The two most common visual pigments (photosensitive pigments) of insects are…

A: A pair of large, black and kidney shaped compound eyes are located on the lateral side of head in…

Q: How does sea otters stay warm differ from the way in which seals stay warm? Explain the mechanism…

A: Seals and sea otters belong to two different families. As a result, they have many differences…

Q: why do dogs have four legs

A: Animals utilize their legs as limbs or appendages to support their bodies, move about, and, in…

Q: Dogs have a toe on each front limb that serves no useful function. This is an example of what type…

A: This question belongs to evolution biology.

Q: We learned about a lot of species of mammals with  heterodont dentition. However, some mammals are…

A: Mammals are a diverse group of animals that exhibit a wide range of dental characteristics. While…

Q: A. Which type of Armadillo belongs to the same phylum as Tityus? Give both the scientific name and…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: Most people know feathers are important for flight. What other functions do feathers serve?

A: Feathers, which are essentially epidermal protrusions or overgrowth developed in particular tracts…

Q: What characteristics does a lizard have to adapt to desert wind and dust storms? For example what…

A: Reptiles and amphibians can live in desert environments without suffering from extremities of…

Q: Tabulate the difference between frog and shark regarding the skin?

A: The animals that bear notochord in any stage of their lifetime belong to chordates. Both frog and…

Q: Which of the following are general tissue types found in adult mammals? Select all correct Group of…

A: A tissue is defined as the group of cells which are aligned near each other in the close proximity…

Q: Endoskeletons of skates, rays, and sharks are made up mostly of:

A: Endoskeleton An endoskeleton is located within the body's interior; it furnishes structural support…

Q: why when other mammals such as chimpanzees and gorillas stand, and walk on two legs briefly they…

A: The change in frequency of a gene/trait in a population over many generations, the change in GROUPS…

Q: Below is a diagram of a placoid scale (a type of scale found on cartilaginous fish). a. What other…

A: The study of life is as fascinating as life itself, regardless of whether the species we study walk…

Q: Which of the fol Ohair and bod

A: Mammals- Any member of the group of vertebrate animals in which the young are nourished with milk…

Q: We'll find out more about Neandertals later in this module, but one of their most famous attributes…

A: Evidence of archeology suggest that the Neanderthal were the first hominid species to intentionally…

Q: Using the images & information below, choose which explanation best explains the shape & size of the…

A: The change in the heritable characteristics of the species across many generations is called…

Q: Why cutaneous respiration does not occur in shark's skin ?

A: Cutaneous respiration, or exchange of cutaneous gases, is a type of respiration in which gas…

Q: In amniotes the space around the auditory ossicles in the middle ear cavity is filled with _______.…

A: The collection of vertebrates that lays their eggs on the land instead of water, or have their fetus…

Q: Compared to amphibianswhat is an example ofevolutionary novelty presentin beings of the class…

A: Amphibians are the organisms that live on both land and water. The adult amphibians use both lungs…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.