Do you believe that experiments might be useful in determining the adaptive function of the pecten, if it indeed serves an adaptive function?  Outline a simple experiment to see whether the presence of a pecten in the bird eye is an adaptation.

Q: How would you determine that the sexual dimorphism in throat patch coloration in male hummingbirds…

A: Sexual dimorphism is known as a condition in which the two sexes that belong to the same species are…

Q: Changing the shape of the pinnae disrupts     a. binaural cues     b. interaural level difference…

A: Introduction The ear is an organ that allows humans to hear and, in mammals, to maintain body…

Q: How do you think the one species of finch evolved into many different species, each with its own…

A: Darwin's finches are a classical example of adaptive radiation. Their common ancestor arrived on the…

Q: is estimated that of all the species that have ever lived, between 90% and 95% have become extinct.…

A: Horse belong to family equidae and they belong to class mammals.they are chacterised by the presence…

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A: Question of bat ancestry can be resolved by Genome Sequencing.

Q: Which of the following is least likely to be a process associated with sympatric speciation? A.)…

A: Geographic separation leads to allopatric speciation while sympatric speciations happen without…

Q: How might you use biotechnology to show humans today have Neanderthal genes, and therefore,…

A: Biotechnology is the use of living organisms to create or modify products, or to perform processes…

Q: What adaptive benefit do the three middle ear bones afford mammals?

A: The three ear ossicles of mammals consists of malleus,incus and stapes which helps in transmission…

Q: Which statement is true of hox genes? Group of answer choices A. they regulate development of body…

A: Hox genes - Most animal homeotic genes code transcription encodes proteins that contain a region  a…

Q: (2.2) There are 13 different types of species of finches, all with different beak types on the…

A: We are answering one question(2.2) for other questions pls repost.       Natural selection explains…

Q: Compare how natural selection might favor the reduction and loss of limbs in snakes versus lizards…

A: The concept of natural selection was given by Darwin. Acording to this concept  some traits are…

Q: What is variation? Give its importance.

A: Note: Please upload other questions separately. Answer: Introduction: Variation means the difference…

Q: Regarding the evolution of the mammalian inner ear, the above diagram shows: A) the co-option of jaw…

A: Introduction: The mammalian ear ossicles were an evolutionary phenomenon. Where the skull bones are…

Q: What are the advantages of having variation in scales of reptiles, feathers of birds and mammalian…

A: Every living creature has a covering (skin) that protects it from its surroundings. This coating is…

Q: Bipedalism has many selective advantages. However, there is one disadvantage to walking on two feet:…

A: The human birth canal is narrower and more tube-like. Due to bipedalism, human mothers have thinner…

Q: Which of the following human traits is not a shared characteristic of primates? a Hip structure…

A: Order Primates of the class Mammalia can be listed as lemurs, monkeys, tarsiers, apes, and humans.…

Q: You want to distinguish between two hypotheses to explain the patterns you see: 1) Males not feeding…

A: Sexual dimorphism is the systematic difference in form between individuals of different sex in the…

Q: What is the selective environment that selects for the "no pelvic fin" trait?

A: Fins are very useful appendages or external organs which are light and thin in structure but enable…

Q: Which of the following is a reasonable explanation for this pattern? Group of answer choices   A)…

A: Neoteny  The traits which is seen in the juvenile and remain unchanged as the organism grow. It is…

Q: Do you believe that experiments might be useful in determining the adaptive function of the pecten,…

A: Pecten is a structure that resembles the shape of a comb and is found in birds. It belongs to the…

Q: Morphological differences are abundant among many species. We make assumptions about why adaptations…

A: All species have morphological differences among their individuals. Species develop adaptations to…

Q: Start with the light forest: Remember, your goal is to get as many moths as you can in one minute.…

A: The activity deals with the increasing and decreasing numbers of Black and White coloured moths over…

Q: What anatomical features of the skeletal system and of the musculatory system of vertebrates can be…

A: Introduction Vertebrates include all animal taxa in the Vertebrata subphylum, which includes all…

Q: Are feral chickens and roosters are able to fly because they bigger and stronger wings? Could…

A: Chickens They are a species of bird, domesticated by humans in order to eat them because of there…

Q: Flying fish use large pectoral fins to glide in air to escape predators. Explain how Lamarck and…

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Q: Bergman's and Allen's rules apply to many animals, not just humans. Look at the following images of…

A: According to Bergemen’s rule:-To better preserve heat, creatures at higher latitudes should be…

Q: Given the following images of primate skulls: What is the function of the brain crest? If a primate…

A: Human evolution is defined as "the process by which humans evolved on Earth from now-extinct apes."…

Q: The retention of juvenile characteristics into adulthood is known as_______________ Examples of this…

A: Juvenile phase is that phase in which organism has not acquired sexual maturity yet.…

Q: What is the function of the finger-like appendages that form part of a gurnard’s pectoral fins?

A: Gurnard are a small predatory demersal fish, found around most of the British Isles. They are a…

Q: Which of the following is NOT a characteristic of all reptiles?      A Use lungs and skin for…

A: Reptiles are four legged organisms which form an intermediate group between mammals and amphibians.

Q: When Charles Darwin visited the Galapagos Islands, he observed the marine iguana. He later decided…

A: Land iguanas are more solitary by nature than aquatic iguanas, which can be found in close proximity…

Q: Which of the following is true about the evolution of sensory bias?   a. The sensory perception…

A: This model of sexual selection posits that female mating preferences are byproducts of natural…

Q: Gould wrote his passage as a criticism of his fellow evolutionary biologists. Of the following…

A: The eye is the sense organ of sight. Many researchers have been investing into learning about the…

Q: Describe 3 distinctive features of primate parenting relative to that of other mammals. Why are…

A: Ans. 1 Three distinctive feature of primates are:  a) Paired Pharyngeal gill silts  b) Dorsal…

Q: What is the status of the hypothesis that language evolved as a by-product of overall intelligence?…

A: Question is related to brain development and language development.  Detailed solution in step 2.

Q: Of the following statements about the human eye, which would Gould agree with the most?    A. The…

A: Stephen Jay Gould, (born September 10, 1941, New York, New York, U.S.—died May 20, 2002, New York),…

Q: Are birds internally segmented or externally segmented or both? 2. Are snakes internally segmented…

A: External segmentation  is marked by the constriction present on the outer surface or the skin of the…

Q: Is this evolutionary conservation of the pecten structure evidence that natural selection might be…

A: Birds belong to the class Aves under vertebrates in the animal kingdom. Birds have the biggest…

Q: Your textbook points out that the pecten is a structure that is very similar in many bird species.…

A: Pecten is the comb like structure that is present in the eye of the bird. It is basically the soft…

Q: How were researchers able to determine that Soapberry bug mouthparts had evolved to be shorter in…

A: given here are some of the statements about soapberry bug mouthparts and the following among them is…

Q: Which gene family was found to control the development and differentiation of limbs in vertebrate…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: 4- Brachiopods periodically cease to feed because: a) predators may pass overhead, causing the shell…

A: Need to find why the brachiopods periodically stops to feed from the following options.

Q: When Charles Darwin visited the Galapagos Islands, he observed the marine iguana. He later decided…

A: Evolution is a gradual process in which pre-existing organisms develop new distinct ones. It leads…

Q: Assume that you discovered Caenorhabditis elegans that crawl significantly slower than others. How…

A:

Q: Identify five (5) adaptive features of insects and arachnids, and explain how this feature is…

A: Insects and arachnids belong to the phylum Arthropoda. It is the largest group of animals about…

Q: pls help and explain what are some physiological, behavioral, or antamoical similiarties of a…

A: Our world is full of biodiversity. It consist of different kind of organisms. All the living…

Q: What are 5 examples of physiological adaptation in mammals (Note:Pls. specify the name of the mammal…

A: Physiological adaptation is a body's internal procedure that enables a life form to control and…

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.