Which position would indicate an organism with a bony skeleton? Which position would indicate the evolution of organisms that have milk? Which position would indicate an organisms with four limbs?

Q: What are the hypotheses used to trace early evolution of animals?

A:

Q: Do these animals share any structural similarities inside their wings that would suggest they are…

A: The analogous structures are found in the organisms that have evolved through different paths. There…

Q: . When during the history of life did vertebrates evolve?

A: Earliest Vertebrates evolved 550 million years ago.

Q: Best on the phylogenetic tree shown here, which organisms are most closely related to dinosaurs and…

A: The phylogenetic tree helps to identify evolutionary relationships among various organisms.  The…

Q: What is convergent evolution? Use evidence from the trees to explain how the Anolis lizards are an…

A: Introduction phylogeny the history of the evolution of a species or group, especially in regard to…

Q: Which group of unikonts is structurally and genetically most similar to animals?

A: Unikonta is a supergroup which includes a range of protists along with animals and fungi. It is the…

Q: At the end of which geological time period did the Starfish become extinct?

A: Biodiversity is diversity of various living organisms on the planet that it contains different types…

Q: What is the correct order of appearance in the fossil record, starting with the earliest: reptiles,…

A: Vertebrates comprise mammals, birds, reptiles, amphibians, and fish, a widely recognized category of…

Q: How does the hypothesized origin of modern humans (Homo sapiens) differ from the hypothesized origin…

A: Evolutionary history reveals that certain races of humans start evolving at different places. It is…

Q: What are the six criteria used to build a complete evolutionary branch of vertebrates?

A: The earliest vertebrates were jaw less fish which lived between 500 and 600 mya. They had a cranium…

Q: What are the general reasons of animals' existence in each era: Cenozoic, Mesozoic, and Paleozoic?

A: Geological time scale: It is a time period used to measure the time or age of the earth by seeing…

Q: Why don’t shared ancestral characters provide evidence for relationships between organisms within a…

A: A clade is defined as a monophyletic taxon, that is, a group that will consist of all descendants…

Q: The bones in the front fins of whales and the bones in the human arm evolved from a common ancestor…

A: Answer- (A) homologous structures. Homologous structures are the physical features of the organisms…

Q: Using vertebrates as an example, how does comparative embryology prove evolution?

A: Evolution is defined as the change in the species’ characteristics over several generations and it…

Q: For about how many years of geological time have the dinosours existed on earth?? Did dinosours…

A: Geological time scale divided the prehistoric earth into four eras based on the the environmental…

Q: Which trait shown is shared by all of the organisms in the phylogenetic tree? Ray-finned fish…

A: The phylogenetic trees were developed to identify evolutionary relationships among organisms that…

Q: Your age-dating put the age of the rocks you are examining in the early Devonian period. Because of…

A: A phylogeny is a hypothetical relationship between groups of animals that are represented by a…

Q: What term did Lamarck use to explain how new species emerged

A: Jean-Baptiste Lamrack was a French naturalist, who believed if the body parts were not being used,…

Q: Does vertebrates evolved from a common ancestor? Exlain your answer.

A: The vertebrates include humans and all other backboned species, as well as a handful that has no…

Q: In studying a species of fish, a structure is discovered that has no apparent function. If this is a…

A: Vestigial structures are anatomical structures of organisms in a species which over a period of time…

Q: What is the difference between an ancestral character and a shared derived character?

A: Systematics is used to construct a cladogram, which is an evolutionary tree, which depicts the…

Q: The Humans That Lived Before Us, which of the following is not associated with the Fossil remains…

A: 'Lucy' was the most famous discoveries found in Unearthed, at Hadar Ethiopia in 1974. She (Lucy) was…

Q: why does pattern of organization of animals portray evolutionary trnds but do not depict…

A: Evolutionary path is very complex and not straight.

Q: How and why did sponges develop skeletons, given that they were the first animals, there were no…

A: Sponges are the simplest form of multi-cellular organisms with structural complexities. They have…

Q: Is the fossil record a complete picture of all of the living things that have ever existed on earth?…

A: Fossils are the dead remains of organisms which died millions of years ago.

Q: Humerus Radius Ulna- Carpals- Metacarpals- Phalanges Human Cat Whale Bat

A: Homologous structures  These are structures devoloped from a common ancestor They are found to…

Q: Did dinosaurs and humans ever exist at the same time?

A: Homo habilis, which existed between 2.4 and 1.4 mya in Eastern and Southern Africa, is among the…

Q: Make a list of all animal life phylum's that are known(with names ). Give description of recent two…

A: Animals are eukaryotic, multicellular, species having a place with the Kingdom Animalia. Each animal…

Q: Which of the following groups of early-diverging animals is comprised of two layers of cells that…

A: External epidermis and internal gastrodermis have 2 major cell layers.

Q: what is the most recent common ancestor for primates ?

A: A phylogenetic tree is a form of visual representation of the relationship between different…

Q: How could morphological data alone lead biologists to group animals into erroneous evolutionary…

A: Evolutionary trees can be used to depict ancestor species and their descendants' evolutionary…

Q: Is the frog an ancestor of humans? Explain.

A: Despite belonging to different classes with the animal kingdom frogs(class: amphibia) , humans (…

Q: If you were to build a phylogenetic tree of living animals, which of the following derived…

A: Introduction :- Deuterostomes are an animal clade that undergoes deuterostomy during embryonic…

Q: This organism is an animal. What can you infer about its bodystructure and lifestyle (that might not…

A: The analysis on the basis of the development pattern is as follows:

Q: How do Primates fit into the larger phylogenetic tree for all living things?

A: It has been very difficult to resolve the divergence time and the origins of the basal lineage due…

Q: In the phylogeny below, the origin of which trait could be indicated by the letter B? A single…

A: Phylogenetic tree is a branching diagram to understand the evolutionary relationships among…

Q: Based on anatomy, fossil, embryos, and DNA what are the closest living relatives of cetaceans, fish…

A: Cetacean, any member of a completely aquatic cluster of mammals usually referred to as whales,…

Q: Fossil records had given scientists a glimpse of the past, to what extent these fossil records…

A: Fossils are the preserved remains or traces of animals, plants, and other organisms from the past.…

Q: Which tree diagram best shows the relationship between fish, cetaceans, and mammals?

A: Answer :- The tree diagram on the right best shows the relationship between fish, cetaceans, and…

Q: Using various resources such as your school Library or the internet and discussions with your…

A: The evolution of horse started with Eohippus during Eocene period and ended with Equus during…

Q: Name one fish like reptile that evolved from land reptile about 200 million years ago?

A: Evolution is an orderly change from one condition to another that are favourable for an individual…

Q: what are the browsing-horse and the paleotheres parallel evolution?

A: Evolution is a gradual process of change in characteristics as per surrounding environment and needs…

Q: How could morphological data alone lead biologists to group animals into erroneous evolutionary…

A: The evolutionary relationship between the different organisms is shown by the phylogenetic tree. How…

Q: Hagfish Salamander Lizard Perch Mouse Chimp Pigeon Feathers Fur; mammary glands Claws or nails ungs…

A: Introduction A cladogram is a diagram used in cladistics to show relations among different groups of…

Q: Describe a reason for the hypothesis that the ancestor of eleuthero-zoan groups was a radial,…

A: Eleutherozoans are a subgroup of echinoderms. Most modern day echinoderms have upward facing mouths…

Q: The diagram shows a phylogenetic tree. Ray-finned fish Sharks Amphibians Primates Rabbits Crocodiles…

A: Phylogenetic tree It refers to a branching diagram that displays the evolutionary relationships of…

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.