Which of the following can be used to uniquely identify killer whale indivdiuals?     saddle patch pigmentation patterns     all of the options are correct     notches in dorsal fin     variation in dorsal fin shape     oval scars Which of the mass extinctions in the past (before humans dominated the earth) was the most severe?     Permian     Triassic     Devonian     Cretaceous     none of the options are correct

Q: Which of the following is the most likely category to which this specimens belongs?  *Hint: There…

A: *Pre Australopith are primate fossils that show evidence of bipedalism or dentition similar to later…

Q: What is a transitional fossil? Transitional fossils were poorly adapted to their environments. O…

A: Introduction - Any preserved remains, impression, or trace of any once-living thing from a previous…

Q: Neandertals seem to have vanished from the fossil record approximately 29,000 years ago, although…

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Q: What makes Archeopteryx an important fossil evolutionarily?     This species has a mix of…

A: As We know that Fossils are the preserved remains or traces of organisms from the distant parts and…

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 of the following changes in early prokaryotes could be predicted to result in the emergence of…

A: Introduction : 1) The first single-celled organism appeared on earth about 3.5 billion years ago.…

Q: Which of the following is the most likely organism to fossilize and be found in the fossil record?…

A: Step 1 Fossils are remains, tracks, impressions, or traces of organisms that existed in the past.…

Q: All of the fossil remains of the early hominins and australopithecines are found on the continent of…

A: Introduction Human evolution:- It is the process by which human beings developed on Earth from…

Q: Early hominin fossils are organized by time into what three (3) major groups? Group of answer…

A: Evolution is a continuous transition of living forms, beginning with the basic forms of the past and…

Q: The oldest fossils of human ancestors found in this area at 700,000 years old. andrewsaechus what is…

A: Every preserved bones, impression, or residue of a once-living thing from a previous geological…

Q: Let's start with a little phylogeny! What features are at this node? The node is a branching point…

A: Branch point or node shows the divergence of two species into respective descendants. All the…

Q: Silurian Rhudering nStage Ordovician Period Hirnantian Stage Rawtheya n Stage A. ascensus N.…

A: The data suggest that extinctions were brought on by climate change. This is believed to have had a…

Q: How many clades are represented in Figure 20?

A: Clade  A clade is a graphic representation of group of organisms that includes it's ancestor as well…

Q: The number and location of bones within fossilized vertebrate skeletons are similar to those in…

A: Fossils help us to document the existence of extinct species that share a structural and genetic…

Q: Birds today are defined by the presence of feathers. Feathers have many uses to include…

A: Evolution is the process of a species' characteristics changing over many generations by natural…

Q: Which of these discoveries were used by paleontologists to conclude that some hominins—Homo erectus,…

A: The species H. erectus is extremely diverse, which is not surprising given its long existence and…

Q: What term should we use to decribe the evolution of body types in the Anole lizards?…

A: Anole lizards have been reported to evolve into similar forms on the various islands which are known…

Q: large reptiles that share an ancestor and lived millions of years ago. Dinosaurs are group however…

A: Birds are technically considered as reptiles for the similarities between both the groups.

Q: Put the following hominins in order from the oldest to youngest in terms of when they first appear…

A: Hominid crown group is the group of closely related groups of organisms to humans. Hominids include…

Q: Use the traits given in the completed character matrix to build a phylogeny of the six species (this…

A: Phylogenetic tree shows the developmental and evolutionary history of a species based upon its…

Q: There is no concrete evidence of which early hominin was our direct ancestor, as fossils do not…

A: Introduction :- Australopithecus, a group of extinct primates which are known to us from a series of…

Q: Which of the following are the oldest fossil remains of Homo heidelbergensis in Africa?  These…

A: Answer is option 1.

Q: Which of the following data sets is the one that scientists had to evaluate carefully since it made…

A: Introduction According to the principle of maximum parsimony, the preferred tree is the one that…

Q: Which of the following is true as the presence of bones is similarly found both in the baleen whale…

A: Baleen whales (systematic name Mysticeti), also known as whalebone whales, form a parvorder of the…

Q: Which archaic Homo sapiens fossil has cut marks on its face, indicating a burial or ritual practice?…

A: Introduction The evolutionary process that resulted in the emergence of Homo sapiens as a distinct…

Q: Many of the morphological differences (e.g. bigger brains, shorter limbs, greater robustness)…

A: Hi dear, here's your answer what you want.can you please give me an upvote for this answer.…

Q: ស អាព AMMOND Jurassic an Cretaceous

A: Ammonoids are extinct marine mollusc animals. These molluscs commonly called as ammonites. Their…

Q: would like you to assist me in setting up a dating profile on Hominin (homo sapien).  Would you…

A: Homonin is the group comprising modern humans, our ancestors and the extinct human species too. For…

Q: In the fossil record, as we advance forward in time, the more __________ and __________ the fossil…

A: C option is the correct option. Bipedal/Dimorphic

Q: The oldest known fossils of turtles look just like living turtles. The relationship between turtles…

A: Fossils are dead plants and animals that have been preserved in sedimentary rock or other crust…

Q: Old and New World monkey ancestry is definitely separate by 35 millions years ago. However, once the…

A: Anthropoids, a diverse group of primates that includes monkeys and apes, make their intriguing debut…

Q: Cartilaginous fishes made their first appearance in the fossil record between 444 and 419 MYA, which…

A: The biological time scale is defined as the framework used by biologists to analyse and understand…

Q: 9. Complete the cladogram of the species and traits from slide 5, by dragging the labels to the…

A: All living organisms are related. Monkeys are ancestral relatives from which humans have evolved.…

Q: a horse leg and a human leg,

A: Answer: Causation, in legal terms, refers to the relationship of cause and effect between one event…

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: Primates possess [ Select ] whereas most other mammals do not [Select] Four different kinds of teeth…

A: Mammals are a group of vertebrate animals characterized by the presence of mammary glands, hairs,…

Q: construction project required digging hundreds of feet into the ground, which exposed many discrete…

A: Theory of evolution: Evolution is a biological process involving the change and adaptation of all…

Q: In the figure below which letter is pointing to the Occipital Bun O E This is FOSSIL #1 below…

A: The major bone of the occiput and the most posterior cranial bone is the occipital bone. Like all…

Q: If dogs became self-domesticated through a commensal relationship with modern humans, which of the…

A: Answer ::   Symbiotic- A symbiosis is an evolved interaction or close living relationship between…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.