Adaptive radiation is common following a period of mass extinction, probably because (a) the survivors of a mass extinction are remarkably well adapted to their environment (b) the unchanging environment following a mass extinction drives the evolutionary process (c) many adaptive zones are empty(d) many ecological niches are filled (e) the environment induces changes in the timing of development for many species

Q: According to this tree, turtles are more closely related to mammals than to birds." This statement…

A: In taxonomy the construction of phylogenetic tree is very important that gives us ideas about the…

Q: The term “Cambrian explosion” refers to (a) an increase in biodiversity. (b) a mass extinction. (c)…

A: Answer: Introduction: The Cambrian explosion or Cambrian radiation was an incident about 541 million…

Q: NOW TO CONCLUDE, ANSWER THE QUESTION. 1. ARE WE ON THE BRINK OF A MASS EXTINCTION? WHAT WOULD BE…

A: The loss of around three-quarters of currently living species in a relatively small geological…

Q: Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have…

A: Speciation is a process by which member of same species no longer interbreed to produce offspring in…

Q: Traits that are specialized to a particular lineage, and not widely shared among remotely related…

A: A phylogenetic tree is a diagrammatic representation which explains the concept of evolutionary…

Q: Each branching point in a cladogram (a) is called a root (b) represents a clade (c) represents the…

A: cladogram is the phylogenetic tree.

Q: Assume the common ancestor was non-venomous, had non-jointed limbs, antennae, and 10 legs. Assume…

A: A phylogenetic tree is a diagrammatic illustration which determines how taxons/ species are closely…

Q: 9) Rocks containing fossil evidence have been found in Canada suggesting how life on Earth evolved.…

A: They are the remains of an organism that are preserved. They can be found as traces of ancient…

Q: Once common in Australia, a huge flightless bird called Genyornis newtoni is now extinct. Isotopic…

A: In this question, we tend to discuss the distinction between humans and different early humans.

Q: 8)Which of the following is a critical factor driving evolution?   a)Environmental conditions…

A: The main driving force of evolution is the natural selection due to which one allele have the…

Q: Mutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population…

A: Mutation brings about changes in the DNA and this brings about the changes in the protein formed by…

Q: The first single-celled organisms on Earth probably evolved (a) 3,700 years ago (b) 3.7 million years…

A: Evolution is a process of slow and gradual change over a period of time. There are many pieces of…

Q: When two populations are reproductively isolated, what else must occur for speciation to happen? (a)…

A: The word reproductive isolation means, there is a change in one or two characteristics and that…

Q: Charles Darwin proposed that evolution could be explained by the differential reproductive success…

A: To identify: To identify the process of reproductive success of organisms that resulted from their…

Q: The greatest mass extinction episode in the history of life occurred at what boundary? (a)…

A: Mass Extinction events can be defined as those events in which half or more than half of all…

Q: Evolution in Humans 1) explain how fossil evidence is used to reconstruct the hominid history

A: BASIC INFORMATION EVOLUTION   The meaning of of evolution is basically to an fault or to reveal the…

Q: The pupfishes in the Death Valley region are an example of which evolutionary process? (a)…

A: Evolution occurs when genetic variations accumulate in the organisms.

Q: 1. Adaptive radiation of the mammals post the 65 million years ago extinction event was a product of…

A: Adaptive radiation has played a big role in the evolution of our biological diversity but the extent…

Q: A potential transitional australopith is A)carolopithecus baskinus B) australopithrcus ramidus…

A: Humans do not evolve from the todays chimpanzees but human develop along side with the chimpanzees…

Q: 375 million years ago, the population of organisms we call Tiktaalik had variation in many aspects…

A: Tiktaalik roseae  is a 375 million year old fossil fish which was discovered in the Canadian Arctic…

Q: Reduced tailbones and the associated remnant muscles in humans are an example of what type of…

A: Common descent means common ancestory. Various evidences for the same are homologous organs,…

Q: Which of the following sequence of events best describes the process leading to speciation? (1)…

A: Ans- C  Explanation- Speciation is the process by which new species are form due to period of…

Q: Which of the following terms most specifically describes what occurs when a group of organisms…

A: Speciation occurs when a group of a species separates from the other members of its own type and…

Q: new population. Questions Which micro-evolutionary mechanism best describes this event?

A: There are a few basic ways in which microevolutionary change happens. Mutation, migration, genetic…

Q: Darwin's finches' speciation on different islands A) Are evidence of an allopatric speciation event…

A: There are several processes associated with causing evolutionary alteration in living beings.…

Q: How does finding the same fossils of a land animal on two different continents support the…

A: Continental drift Alfred Wegener developed the hypothesis of the continental drift in the early 20th…

Q: Penguins are flightless birds, however, they still have wings. This is an example of a (the)…

A: Penguins having wings despite being flightless is an example of a vestigial structure. Vestigial…

Q: (a)choose one ecomorph and explain how the characteristics of that body type are adaptations to that…

A: Ecomorphs are populations of a species having small differences in its colour or form which…

Q: Look at the Animal Tree. The green outlined rectangular area shows a lumping of extant species that…

A: Humans are different from other animals in phylogeny in many characteristics such as bipedalism, the…

Q: Species that are closely related exhibit similarity in embryonic development O Species that are…

A: INTRODUCTION  Evolution is the change in the biological and physical characteristics of animals or…

Q: In interpreting a cladogram, (a) we can identify the specific ancestor of each taxon by tracing each…

A: There are many shapes of cladograms but they have certain things in common all have lines that…

Q: The time of greatest evolutionary diversification in the history of life occurred during the (a)…

A: Introduction  Environment plays a major role in the diversification of organisms. For example, if we…

Q: The fossil record (a) usually occurs in sedimentary rock (b) sometimes appears fragmentary (c) is…

A: All life on Earth descended from the universal last common ancestor, who lived between 3 and 4…

Q: Eyes are often used in arguments for intelligent design because many consider this organ to be too…

A: The eyes can be defined as the type of sense organ which provides the vision to the individual. It…

Q: Geologists discovered fossil evidence of mesohippus, an ancestor of the modern horse. Mesohippus…

A: Fossil evidence or palaeontological evidence is important evidence for evolution. Fossils include…

Q: The Hawaiian silverswords are an excellent example of which evolutionary process? (a) allometry (b)…

A: Hawaiian silverswords are a type of plant that can only be found in Hawaii. Because the ancestor…

Q: Which of the following evolutionary processes is associated with allopolyploidy? (a) gradualism (b)…

A: Allopolyploid is a term used to describe a type of polyploid. A polyploid person or strain with a…

Q: Archaeopteryx is a significant fossil find because it gave hints to the evolution of the following…

A: Fossils refer to remains or traces of past life preserved through natural processes. Imprints,…

Q: The first step leading to allopatric speciation is (a) hybrid inviability(b) hybrid breakdown (c)…

A: Speciations are the process in which species evolve into something so drastically different than…

Q: #1. Answer 1a, 1b 1a. Is the Philippines connected to Borneo during the Pleistocene period? 1b. A.)…

A: The study of the distribution of organisms and ecosystems in geographic space and during geological…

Q: The comparison of genetic material from individuals of regional populations of humans, used to help…

A: The term anthropology can be split into two greek words, “Anthropo” is defined as human beings and…

Q: The species of the Galápagos Islands (a) are similar to those on other islands at the same latitude…

A: Scientists believe that all continents existed as a single landmass millions of years ago. Later, as…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.