PART C: Biogeography 1 What is biogeography? 2 What was Laurasia? a On which modern continents would you expect to find a species with a Laurasian distribution? 3 What was Gondwana? a On which modern continents would you expect to find a species with a Gondwanan distribution? Norco College

Q: Which biogeographic realm has been separated from the other landmasses for more than 85 million…

A: A biogeographic realm or ecozone is the broadest biogeographic  division of Earth's land surface,…

Q: The extinction of dinosaurs left gaps in the early ecosystems on earth. Explain briefly the…

A: Evolution is change in the species over a period of time.

Q: How has continental drift/plate tectonics influence evolution?

A: (According to Bartleby guidelines, only the first question has been answered. Kindly post the…

Q: Table 1 Millions of Years Ago (Mya) Event First humans (genus Homo) The Origin of the Earth First…

A: According to astronomical research and geological evidence, scientists indicate the universe is…

Q: These are one of the most important fossil record of the early life forms here on Earth and formed…

A: Q.These are one of the most important fossil record of the early life forms here on Earth and formed…

Q: Look at the upper right side of this diagram of the phylogenic tree. What does it suggest has…

A: The phylogenetic tree is defined as the diagram that will represent or depict the evolutionary…

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: . Explain and briefly describe the geological time scale. How does it relate to the science of…

A: Introduction :- The Earth's rock record serves as the foundation for the geologic time scale, also…

Q: 1. For how long has there been life on Earth? 2. For what percentage of time has life existed on…

A: The geological time scale depicts the various time periods throughout the history of the earth…

Q: QUESTION 2 What traits are used to place organisms into Linnaeus's Taxonomy? anatomical features,…

A: Ans- appearance, behavior, size, color.

Q: What was the configuration of oceans during the time of the supercontinent Pangaea

A:

Q: How does the study of plate tectonics help in understanding probable evolutionary events? Explain…

A: In this question we have to describe about how tectonic plates sliding result in evolution. See full…

Q: QUESTION 1 What are the different types of phylogenies? Which one do biologists prefer and why?

A: We are giving the answer for the first question for second pl repost

Q: 1. What is the relationships among eons, eras, epochs, and periods of the geologic time scale?…

A: 1.)  periods. The periods are divided into even smaller periods of time called epAeons are the…

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: 10. Why do we define the K-T event as a mass extinction event? Write 'yes' or 'no' next to each of…

A: The Earth had undergone many mass extinction events in the past. These mass extinction wiped out…

Q: 5. The Mesozoic Era extended over which of the following time periods in the fossil record? A. the…

A: Answer - B. The age of reptiles", from 251 million years ago to 65 million years ago.

Q: 1. The woolly mammoth lived from the Pliocene to the Holocene time period. Compare the temperature…

A: Answer: TEMPERATURE: It is the measure of the level of heatness and coldness.  It  can be measured…

Q: What did Wegener call the giant land million years ago? Pangaea O Big Ol' Continent Gigantia…

A: The supercontinent began to break apart about 200 million years ago, during the Early Jurassic Epoch…

Q: Geological time covers huge spans, up to billions of years. Yet humans rarely live for more than 100…

A: Geological time scale is important to understand the history of earth that how several natural…

Q: What led Walter to study the mass extinction of the dinosaurs? O He was following in the footsteps…

A: Paleontology, sometimes called palaeontology or palæontology, is the research of life which lived…

Q: How is a mass extinction event indicated in the Tree of Life? Significant gaps on the tree are…

A:

Q: 29) The Cretaceous extinction. which was the most recent mass extinction, occurred about 65.5…

A: Natural selection, or evolution, is the process by which a species' features evolve over a number of…

Q: 1. For how long has there been life on earth? 2. For what percentage of time has life existed on…

A: ​The geological time scale relates layers of rock (stratigraphy) and carbon dating to periods of…

Q: The Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, what…

A: Cambrian explosion, took place between 541 million and approximately 530 million years ago. This…

Q: Which of the following are examples of analogous characters?  A. A chicken does not fly but an eagle…

A: INTRODUCTION:- ANALOGOUS ORGANS: The organs that have similar functions but are different in their…

Q: Questions 1. What is biogeography and what does it provide? 2. Why did camels evolve? 3. What is…

A: Evolution can be defined as the change in the characteristics of a species over several generations…

Q: 1. Gradualism is the theory that the earth’s features are the result of long-term processes that…

A: In 1858, Charles Darwin and Alfred Russel Wallace released "the Origin of Species", which detailed…

Q: If Marine communities dominated during the Early Paleozoic, why move to land? What would an…

A: Paleozoic era was a major interval of geologic time that began 541 million years ago and ended about…

Q: Which of the following mass extinctions caused the loss of over 80% of species and was due to…

A: Various mass extinction events that occurred in the history of the earth are- Ordovician-silurian…

Q: What is the term for a feature that allows an organism to survive better in its environment? *…

A: Variations are the genetic changes that accumulate over some time from generation to generation to…

Q: 6. Describe one major event in Earth’s natural history. The event can be an evolutionary innovation…

A:

Q: What do we mean when we write “all life in Earth is fundamentally the same”? A shark and a seaweed…

A: Living organisms are well arranged, which means that they are specialized. All living organisms…

Q: Is extinction normal? Explain. What is NOT normal about it now? Why is the loss of biodiversity so…

A: Extinction: [normal]            Extinction serves as a normal part of evolution, where it has been…

Q: Earth's Interior and Surface and Pangaea 1. What do Earth's continents have in common with a jigsaw…

A: Continental drift is the theory that the Earth's continents have shifted relative to each other over…

Q: 2. The greatest extinction in the fossil record, causing the extinction of about 52% of marine…

A: In geological time scale, the organisms lived on the Earth in different eras, periods or epochs,…

Q: The earth is about 4.6 billion years old. Based on the formation of seafloor spreading, why do you…

A: The newest, thinnest crust on Earth is located near the center of mid-ocean ridge—the actual site of…

Q: Over geologic time, the concentration of 02 in Earth's atmosphere has increased. However, at the end…

A: Carboniferous period which is part of late Paleozoic era is associated with large underground coal…

Q: 1. These are modern colonies of the earliest multicelled organisms survived in Western Australian 2.…

A: The evolution of life --Evolution of life on earth and around earth can be predicted on the basis of…

Q: The largest and most deadly of all Mass Extinctions in the history of Earth came at the end of the…

A: If we observed the geological time scale then we can see different evolutionary events occurs…

Q: 9. Biogeography is the study of changes in the species as they evolve in relation to how their…

A: Emus are the species of the ratite family and includes ostriches, cassowaries and rheas.

Q: 2. The Paleozoic Era extended over which of the following time periods in the fossil record? A. the…

A: The palaeozoic era extended over the age of fishes from 542 million years ago to 251 million years…

Q: most recent mass extinction, occurred about 251 million years ago. What is the leading hypothesis to…

A: Permian extinction occurs about nearly 251  million years ago,it results in the vanishment or…

Q: There have been five main mass extinctions. Match each mass extinction event to its description. 1.…

A: Introduction  Extinction is the death of a type of organism or a group of organisms, most commonly a…

Q: How can fossils be used to determine the relative ages of rock layers?

A: A fossil is any preserved remains of a once-living thing from a past geological age. Examples…

Q: Scientists are examining the possible role of a large asteroid in the Cretaceous mass extinction…

A: ANSWER;- OPTION  C is correct ( after the asteroid strike).

Q: please explain  A drawback of the time hypothesis to explain the variation in species richness is…

A: The 'time hypothesis' proposes that species richness is linked to the ages of clades. Species…

Q: What is the leading hypothesis to explain the Cretaceous extenction?

A: Cretaceous-Tertiary Extinction Cretaceous Extinction occurred around 65mya ago and resulted in…