biodiversity. • HOMOLOGOUS FEATURE a structure with a common evolutionary origin that may serve different functions in modern species (for example‚ bat wing and human arm) • ANALOGOUS FEATURE a structure that performs the same function as another but is not similar in origin or anatomical structure; for example‚ bird and insect wings • VESTIGIAL FEATURE a rudimentary and non-functioning‚ or only marginally functioning‚ structure that is homologous to a fully functioning structure in closely related
Free Evolution
The Indri Skeleton differs from the human skeleton in numerous ways. One of the most prominent differences between the Indri skeleton and human skeleton is the vestigial tail. Indri is the only lemur that has a short vestigial tail. Today‚ most humans do not have a vestigial tail. Although‚ in rare occasions‚ a human may be born with a short like tail structure at birth. All humans do have a coccyx. The coccyx is the remnants of the lost tail that humans once had. Jaw structure between the Indri
Premium Human Primate Hominidae
Dolphins are well-known‚ lovable‚ and incredibly intelligent creatures. One genus of dolphins‚ known as Tursiops or Bottlenose‚ are quite commonly known to the common person (Bottlenose). Bottlenose dolphins are known for their intelligence and popularity with children especially. Many people know what they are and are able to recognize them easily. Scientists have proven that they are incredibly intelligent and know a lot about various things that humans also know (Common). However‚ many people
Premium Cetacea
To this day‚ mankind holds onto its vestigial will to survive which serves as a testament to the dangers mankind faced during its evolution. This will to survive resides inside of the subconscious of all men‚ yet mankind attempts to suppress these primal desires for once unbound‚ these desires go against the societal limits developed by mankind to civilize itself. The constant battle between this vestigial and primal darkness and the lightness of society’s mores acts as the fundamental conflict of
Premium Joseph Conrad Heart of Darkness Colonialism
Name: ________________________ Class: ___________________ Date: __________ ID: A Genetics test questions Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Pea plants were particularly well suited for use in Mendel’s breeding experiments for all of the following reasons except that a. peas show easily observed variations in a number of characters‚ such as pea shape and flower color. b. it is possible to completely control matings
Premium Allele Dominance Zygosity
Many early philosophers believed in the idea that all organisms are made by God in their current state and require no additional modification. As a result‚ many scientists in the 1700s explained that an organism’s compatibility to its environment is because of the principle that God created a species to suit a specific environment. Contrary to the beliefs of early philosophers and scientists‚ an organism’s compatibility to its environment is caused by natural selection. Natural selection‚ the process
Premium Evolution Natural selection Charles Darwin
an important source of antibody-producing blood cells and thus an integral part of the human immune system. ” It also serves “as a compartment for beneficial bacteria that are needed for normal digestion. ” These are only a few examples of the “vestigial” structures and systems that were once thought to have no function‚ but after scientific research and inquiry‚ were proven to have very important
Premium DNA Scientific method Immune system
observed in the lab by anaesthetizing them with triethylamine so they won’t fly away. They were then inserted in a vial with a foam stopper so then it was easier to observe them. A dissecting microscope was used to identify the color of their bodies‚ wing shape‚ sex characteristics‚ and any other body characteristics. We used female fruit flies who were virgins six hours after they came out of their cocoons and mated them with male fruit flies. This is how crosses were made while there were a few Genetic
Premium Allele Gene Dominance
estimates the age of the fossils. Homologous structures are similar in structure but have different function. One example is a human arm and a bird’s wing‚ they both do the same thing but they function differently. Analogous structure are part of the body that have similar function and they don’t have similar structure or indicate shared ancestry. Vestigial structure are part of the body that don’t play a major role to the organism. Scientists use these to prove that evolution exist and they can compare
Premium Homo erectus Human evolution
The Snow Goose Frith: I skipped along the cobblestone path‚ the smooth glistening rocks forming a pathway among the menagerie of white houses lined with red brick roofing. My feet carried me onto the crackly grass that was being suffocated by the thin layer of ice. The sky was overcast. I walked to the mucky mossy seawall and clambered upon it. I watched intently as the harsh dreary ocean licked at the wall‚ leaving behind a trail of dribble that would eventually retreat back to the mouth that
Premium Water Debut albums Sun