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: Venom glands may be adaptations of peculiar cell types to inject venom (Cnidarians)....what does…

A: In Cnidarians venom glands are small capsules filled with coiled, barbed threads that often contain…

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: List one function of skin that is common to all animals andone that is unique to a single group.

A: A cell is a basic unit of life. The cell is the functional and structural unit of all living…

Q: Why Dogs Vary So Much in Size?

A: The height and size of a species depends upon the gene that organism posses.

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

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

Q: How might such camouflage have evolved?

A: Camouflage is also known as cryptic coloration. It is a defense tactic that helps the organisms to…

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: Color patterns of animals vary widely in nature, sometimes even among members of the same species.…

A: Genes are basic units of inheritance. Gene is  a specific sequence of DNA which encodes specific…

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: What are the functions of feathers?

A: For a bird, feathers perform a variety of functions: 1) they provide insulation, most birds' body…

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: Distinguish the Morphological Characteristics of these Animal Tissues: 1. Ciliated 2. Areolar 3.…

A: Introduction Tissue is a collection of cells with similar structures that work together as a unit.…

Q: what we learn about salamander regeneration to enhance regenerative abilities in humans.

A: Salamanders are organisms that possess long tails and moist bodies, are a group of amphibians that…

Q: What is Sonic hedgehog, and why it is important?

A: A gene is the basic physical and the functional unit of heredity. Genes are made up of the DNA. Some…

Q: Define the two major groups of Appendages.

A: Appendages:             An external body part or natural prolongation, that protrudes from an…

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: Why aren't wind turbine blades with tubercles inspired from the humpback whale flippers more used…

A: An increasingly common renewable energy source is wind energy. Turbine blade layout is essential to…

Q: There are species of fish that live in caves no longer connected to the surface. These fish have eye…

A: Evolution is the variation in the characteristics or features of a species over several generations…

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: You have discovered a new organism deep in the jungle. You are trying to decide if it is a very…

A: An organism is defined as a group of molecules that will function as a more or less stable whole or…

Q: List some functions of bird feathers

A: Introduction:- Any of the more than 10,400 living species that have feathers as their primary…

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…

Q: Can rat lungworm die from UVC light

A: The rat lungworm also called as Angiostrongyliasis. It is caused by roundworm parasite, its…

Q: What is the adaptive significance of the different skin derivatives of the major group of animals?

A: With a total size of around two square metres, the skin is the body's biggest organ. The function is…

Q: Give a broad conclusion about the integumentary system of humans and frogs and their importance.

A: The main conclusion  between a frog and a census system   is their function . The main functions of…

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.