After the mass extinction that occurred 65 million years ago, mammals rapidly diversified to occupy habitats that were previously unavailable to them. What concept does this illustrate? A. Adaptive radiation B. Cretaceous selection C. Reproductive isolation D. Heterozygote advantage

Q: Why are homologous traits similar?   A. they result from genetic and developmental similarities.…

A: The evolution is the alteration in the gene pool of the population from one generation to the next…

Q: Which is an example of directional selection after several generations on an island population from…

A: Introduction :- "Evolved" refers to the process of biological evolution, which is the gradual change…

Q: Which of the following models is supported by the observation that few transitional links are found…

A: Transitional Fossil:          Any fossilized remains of a life form that exhibits traits common to…

Q: According to "The Complex Evolution of Homo sapiens”, what two major things (or pieces of evidence)…

A: The objective of the question is to identify the two major pieces of evidence that confirm the…

Q: What type of evolution is particularly evident between predator and prey? a. Divergent evolution b.…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: People studying fossils have to employ which of the following species concepts?   a. The…

A: In order to study the fossils,the phylogenetic species concept is employed. Hence option (c) is…

Q: "Ramapithecus and Cro-Magnon man are considered: A.ancestors of modern man B.ancestors of monkey…

A: The study of human evolution is generally carried out by comparing human evolutionary history with…

Q: What does ancient DNA reveal about historic episodes of interaction between H. sapiens and…

A: Ancient DNA studies have shown that Neanderthals and Homo sapiens interbred multiple times. This is…

Q: Which of the following is an example of Genetic drift? A. Red flowers with AA genotype evolve after…

A: Evolution is a steady phenomenon that bring about alteration in life from simple to more complex.…

Q: Match items in the column that mostly related to each other. i. homology ii. biogeography iii.…

A: Homology can be defined;  as a similarilty in the structures or organ present between different…

Q: A technique to determine the age of fossilized organisms. A. Radiosotope  B. Carbon dating  C.…

A: The cells are the primary unit of life. Based on the number of cells an organism may be prokaryotic…

Q: You are studying the evolution of a trait in two species of snakes where both species can flatten…

A: Homologous organs are defined as the organs of different animals that are having a similar structure…

Q: Kidney stones are usually located in the renal pelvis. What affected would have this on urine flow…

A: Kidneys are involved in the removal of wastes (minerals or salts) and fluid from the blood in the…

Q: What two species did early Homo sapiens live with during the end of the Pleistocene?    A.…

A: The question is asking about the two species that coexisted with early Homo sapiens during the end…

Q: Humans evolved from a. monkeys. b. chimpanzees. c. gorillas. d. an ancestor shared with chimpanzees.

A: The change in the heritable characteristics of the species across many generations is called…

Q: What does “descent with modification” mean? a. Populations that change quickly are likely to become…

A: "Descent with modification" is a core concept in evolutionary biology that Charles Darwin…

Q: How does evolutionary change occur? A. Through the modification of characteristics in a preexisting…

A: Evolution refers to the alteration in heritable characters of species populations in the following…

Q: Two different plants, cactus from the desert southwest USA and a euphorb from South Africa, have…

A: Given information: Two different plants, cactus from the desert southwest USA and a euphorb from…

Q: The fossil nicknamed Lucy was a(n)a. early Homo.b. australopith.c. ardipithecine.d. modern human.

A: Answer: Introduction: Fossils are produced in many diverse ways, but that are widely produced at the…

Q: Assuming chimpanzees (Pan troglodytes) and humans (Homo sapiens) are more closely related to each…

A: A cladogram is a branching tree-like representation that shows how organisms/ species are related to…

Q: The transitional fossil Tiktaalik shows a combination of traits consistent with the hypothesis that…

A: Fossil records of Tiktaalik date back to around 375 million years ago. They are a transition between…

Q: According to the replacement model, Homo sapiens a. was the first to migrate from Africa. b. is the…

A: Two leading models are there that tried to explain the evolution of modern humans and both of them…

Q: Imagine that some lizards from both islands are brought to a laboratory and lizards from each…

A: Evolution is a gradual change in species over time. It is a continuous process.

Q: Changes in the traits of the fossils studied are  consistent with what is expected to be favored by…

A: Horses are generally thought of as grazers (animals that eat grass) as opposed to browsers (animals…

Q: Assume you are studying the fossil record of a certain lineage of sharks. You find that sharks in…

A: Ans :- OPtion (a) is right ---- Punctuated equilibrium

Q: which statement about macroevolution is true? a. The history of life on Earth follows a general…

A: ANSWER;- c). The theory of gradualism proposes that major evolutionary changes that happen…

Q: According to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what is the most…

A: The question is asking for the most likely reason for the extinction of Denisovans, an ancient human…

Q: Refer to the evolutionary tree in the diagram. Ducks and blue jays are both types of birds.  Which…

A: Introduction :- There are two main approaches to classify the organism's :- phenetics approach and…

Q: 1.Chimpanzees and humans appear very much alike because of? *         a. common adaptations to…

A: The evolution takes place at a very slow speed where characters keep on accumulating and form new…

Q: DNA sequence data suggest that modern humans last shared a common ancestor with Old World monkeys…

A: Introduction Phylogenetics is a field of biology that investigates organisms' evolutionary…

Q: Which of the following is molecularlgenetic evidence for evolution?

A: The molecular biological or genetic evidence for evolution gives the similarities between many…

Q: D. retention of juvenile traits in adults

A: Introduction : The skull (otherwise called the cranium) has 22 bones, which can be characterized…

Q: Denisovans are ancient humans. What would you least expect?   A. They would have a larger brain…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: Which of the following patterns of evolution is most supported by the fossil record?   a. Descent…

A: Evolution is the change in the characteristics of a species over several generations and it relies…

Q: According to "The Complex Evolution of Homo sapiens", all early Homo sapiens looked the same. They…

A: The objective of the question is to determine whether all early Homo sapiens looked the same and did…

Q: Which term can most accurately be used to describe evolutionary change that leads to speciation? A.…

A: Introduction :- Reproductive isolation refers to the phenomenon in which populations of the same…

Q: ccording to "The Complex Evolution of Homo sapiens", what is the significance of the L3 gene and who…

A: The question is asking about the significance of the L3 gene and the identity of the L3 woman…

Q: Why can’t scientists just do DNA analysis on these fossil hominins to determine if they are a…

A: The objective of the question is to understand the challenges that scientists face when trying to…

Q: After a highway is destroyed by an earthquake, two formerly isolated populations of deer can now…

A: D. Gene Flow The answer to this question is gene flow as it refers to the exchange of genetic…

Q: Which characters are most informative in phylogenetic reconstruction because they indicate…

A: The answer to this question is synapomorphies.

Q: During the ____ epoch, there were fewer ____ and more ____, a reversal in the relative…

A: Geological Time depicts the geological history of Events on Earth that occurred in a specific time…

Q: Hominid brain size has increased over the last 3 million years. This is probably due to:   A.…

A: Change in beak is a directional change. Homo sapiens sapiens has the largest brain.

Q: Of the parameters listed in the question above, which one is used by the autonomic nervous system as…

A: Answer 1 :  the parameter which is used by the autonomic nervous system as the immediate means of…

Q: According to "The Complex Evolution of Homo sapiens", for Homo sapiens that left Africa, what is the…

A: The objective of the question is to determine the time period in which Homo sapiens left Africa,…

Q: What is the difference between micro- and macroevolution? a. Microevolution describes the evolution…

A: MICRO EVLOUTION The change in allele frequency within the population. The mechanism involved in…

Q: What is not always true of a valid binomial species name like Homo sapiens? A. It includes the genus…

A: The naming of microorganisms according to defined standards and criteria is known as nomenclature.

Q: Which of the following traits does not describe a r-selected species? O A. rapid development B. low…

A: r-selected species prefer high growth rates, usually exploit less-crowded ecological niches, and…