Match each of the following key events in the history of Earth and life with its approximate date, in million of years ago (mya). Options:4600mya,1000mya,4000mya,200mya,6mya,300mya,2500mya,635mya,130mya,150mya,2000mya,500mya,400mya,541mya, 0.15mya   First Dinosaurs and mammals First Cell First multicellular organism First amphibians  Increase in atmospheric oxygen  First Reptiles First hominis Cambrian explosion First birds Homo sapiens (modern humans) First fish Formation of Earth  First Animals  Rise of flowering plants

Q: Molecular clock techniques are used to calibrate radiometric clocks measure the genetic distance…

A: Molecular molecular clock technique are used to Answer : Estimate when to taxa diverged from a…

Q: Estimate the number of hominin species that have existed in both robust and gracile clades of…

A: Researchers have narrowed down on the fact that based on the number of unearthed fossils, there were…

Q: The scale of geologic time is difficult for anyone to comprehend, let alone a budding scientist. The…

A: The geological time scale helps in determining the age of the earth and the time zone under which a…

Q: The Cenozoic Era As you do the lab, fill in the last two columns for the Paleocene through the…

A: Introduction Evolution is the process by which different species are evolved over time in response…

Q: The great apes made their first appearance in the fossil record between 23 and 2.6 MYA, which:…

A: The question is asking us to identify which geological period corresponds to the time frame of 23 to…

Q: Which of the following geologic periods is not part of the Paleozoic Era? the Carboniferous Period…

A: The objective of the question is to identify which of the given geologic periods does not belong to…

Q: According to the stratigraphic system which was eventually used by Scottish geologist Charles Lyell,…

A: The objective of the question is to identify the correct time period that corresponds to the…

Q: Using tables 2.1 and 2.2 as references, fill out the following table. The first item is given as an…

A: Geological time scale Geological time scale is a representation of Earth's history.

Q: Taphonomy tells us ab0ut preservati0n biases in the fossil rec0rd. What kind of biases affect 0ur…

A: Taphonomy refers to the branch of paleontology (study of life history based on fossils) which is…

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: Give two lines of evidence supporting the asteroid impact hypothesis for the Cretaceous extinctions.

A: The evidence is given below.

Q: QUESTION 2 Approximately when did living things first appear on land? O 4.75 billion years ago O 3.5…

A: The age of the earth is estimated to be about 4.54 billion years. When the earth was formed for the…

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: Which of these lists is in the correct order, starting at 550 mya to 50 mya: Cambrian explosion,…

A: The correct list is:Cambrian explosion, multicellular organisms first appear, radiation of reptiles,…

Q: List several significant events in the history of life on earth that are associated with the K-T…

A: KT boundary is the boundary between the age of reptiles that occurred in the Mezoxoic era and age of…

Q: Anole lizards can be found on many islands in the Caribbean that share similar environmental…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Carbon-14 dating can be used to give an age for which of the following?   early hominids (~2…

A: Carbon 14 dating also called as radiocarbon dating. It is a method of age determination, depending…

Q: Seven sauropod dinosaurs of the same species (Apatosaurus ajax) from the same population in Montana…

A: Mean, mode and median are the 3 measures of central tendency. Arithmetic mean is the sum of all…

Q: The oldest Homo ergaster remains from East and West Lake Turkana are [ Select ] years old. (this is…

A: Homo eragaster translates to 'the working man' refers to the advanced tools used by this species as…

Q: Briefly explain why Pangenesis theory is incorrect

A: The early concepts of heredity are blending inheritance, pangenesis, blending of acquired…

Q: Which of the following is associated with the Cenozoic era? O a. Warmer planet O b. Different…

A: The answer is given below:    The first two are associated with the Cenozoic era.

Q: Describe one of the major extinction events during the Late Paleozoic or Mesozoic (include when it…

A: Description of the major extinction event occurred in late paleozoic Or medozoic era.

Q: 7. Describe the bipedal adaptations that can be found in the human femur. 8. What is the savanna…

A: The human femur is uniquely designed for walking on two legs, a mode of movement called bipedalism.…

Q: Which of these are true statements about a postzygotic barrier? SELECT ALL THAT APPLY The two…

A: Hi! Thank you for your question. As you have posted multiple questions and have not mentioned which…

Q: Organism A lived from 410 to 60 million years ago. Organism B lived from 200 to 100 million years…

A: In case of human or animal remains from the past 50,000 years, researchers focus at levels of carbon…

Q: Use the following figure to answer questions 2 and 3. mya - million years ago 1,400 mya -1 bilkan…

A: Earth was formed in our solar system along with other planets, and its age is about one third of…

Q: Q#8: a) Is there evidence for this evolutionar trend leveling off since 400,000 ya? 2000 b) Explain…

A: Cranial  apacity is the volume of the interior of the brain. It is used to define the size of the…

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: Which of the following do not provide evidence that a meteor strike was a partial cause of the…

A: About 65.5 million  years ago KT extinction event occurred which wiped off the dinosaurs from the…

Q: Table 10: Some Important Events in Geologic Time Era Period Triassic Epoch Event Age of Reptiles…

A: * Modern mammals have evolved from preceeding animals . * Formation of modern humans from azoic era…

Q: Radiometric dating and the cranial capacity measurements are back from the paleolab for the specimen…

A: Human evolution is defined as "the process by which humans evolved on Earth from now-extinct apes."…

Q: Sketch and label a geologic time scale. Include dates of the following events in Earth History on…

A: First of all let's prepare and analyse the events in The form of concept sketch. The events given in…

Q: The “age of fishes”, which began with the Cambrian Period (about 541 million years ago), and ended…

A: The objective of the question is to identify the correct era that is also known as the 'age of…

Q: What is our current eon ______________, era _______________, and period _______________   Age…

A: Since multiple subparts are posted so first three subparts have been answered.  The geologic time…

Q: Explain at least one reasonable hypothesis about what caused the extinction of the dinosaurs at the…

A: First dinosaurs appeared in the Triassic period  and they were abundant in Jurassic period of…