QUESTION 2 Approximately when did living things first appear on land? O 4.75 billion years ago O 3.5 billion years ago O 500 million years ago O 4.75 million years ago O 3.5 million years ago
Q: When considering the entire period of time during which life on Earth has been evolving, we must…
A: To understand the change in flora and fauna that have occurred over million of years on Earth ,we…
Q: Question 1: Mass extinction ocurred on the following time and era except for: A. Mesozoic B.…
A: Question 1) Mesozoic era : At the end of this era the about 70% of all plants and animals were…
Q: The Lower Paleolithic period consists of the Oldowan and Mousterian stone tool traditions. Group of…
A: Oldowan tools were used during the Lower Paleolithic period but the Mousterian stone tool traditions…
Q: Recent genetic research indicates that ____ or more individuals are needed for an endangered species…
A: Ex-situ conservation is a type of conservation or protecting process of the endangered species,…
Q: QUESTION 48 Copernicus, Galileo, and Darwin found that O a. prevailing belief b. astronomical…
A: Note: We’ll answer the first question that is question no. 48 since the exact one wasn’t specified.…
Q: Question 1 Natural selcction occurs over a very period of time. Question 2 lis the process of small…
A: Q1:Natural selection occurs over a very long period of time Q2:Natural selection is the process of…
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: Question 29 The theory of evolution is consistent with evidence of which of the following: O…
A: "Evolution" is described as a change in a species physical characteristics caused by natural…
Q: Question - What is biology? A) The study of DNA. B) The study of the environment. C) The study of…
A: Question - What is biology? A) The study of DNA. B) The study of the environment. C) The study 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 depicts the various time periods throughout the history of the earth…
Q: Question 5 Accurately complete the statement Evolution is best defined as... O a. a large, randomly…
A: Answer. Evolution is a slow, gradual, continuous, irreversible, and natural process of change to…
Q: Question: Which of the following puts the events in the history of life in the correct order?
A: Extinction The process in which particular organism disappear from the earth and nowhere to be…
Q: QUESTION 2 What traits are used to place organisms into Linnaeus's Taxonomy? anatomical features,…
A: Ans- appearance, behavior, size, color.
Q: The Levant is a region, now underwater, that served as a land bridge during the last glacial maximum…
A: Our ancestors migrated into Eurasia using the Levant region from Africa, this region's most…
Q: Question 10 The process of Natural Selection depends on Variability in the traits from one species…
A: Evolution can be defined as the changes occurring in the characteristics of a species over a course…
Q: Question # 17. How does natural selection bring change in gene frequencies?
A: Natural selection refers to the evolutionary theory explained by Charles Darwin, according to which…
Q: ANSWER 1. ARE HUMANS STILL EVOLVING?
A: The evolution of organisms occurs through the process of natural selection in which survival of the…
Q: Question 14 Not yet answered Points out of 1.00 P Flag question Which statement about living…
A: Answer of the question given below...
Q: The current geological era is the ________. Question 32 options: Cambrian Paleozoic…
A:
Q: QUESTION 9 A neutral mutation of DNA doesn't alter the protein it code's for but still can be part…
A: Mutation occur in cell when DNA is damaged but there are various mechanism which can correct that…
Q: Question 6. You create a phylogeny of 3 species- one is a green plant, second one is a green algae…
A: Phylogeny is the study of the evolutionary history of living things. It's a field of biology that…
Q: Question 2 Which of the following is NOT a part of the Lamarckism? use and disuse drives evolution…
A: On evolution there was two different theories- Darwinism Lamarckism According to Lamarckism- 1)…
Q: QUESTION 1 Which of the following extinct species is most closely related to modern humans (Homo…
A: This question is actually based on human evolution. In this question all the options is the…
Q: QUESTION 5 Kingdom Fungi and Kingdom animalja are heterotrophic and show motility. O True O False…
A: Over repeated generations, evolution is explained by variation in heritable traits of different…
Q: QUESTION 15 Which of the following does not change gene frequencies in populations? selection O…
A: Introduction :- The relative frequency of an allele (gene variant) at a specific locus in a…
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: Question 36 On the tree below, which feature do all organisms inherit? shark hare parrot tuna frog…
A: Option a (A) is the correct answer As we move from A to F we find that :- A) Vertebrae:- is common…
Q: Which technique did Charles Darwin use to measure the age of the Earth? A. rate of erosion of…
A: Charles Darwin has a major contribution to the study of evolution. He gave the concept of "natural…
Q: QUESTION 2 Which of the following statements about hominins is FALSE? Each hominin species on Earth…
A: Hominin is a group consisting of modern Homo sapiens and including all our immediate ancestors…
Q: Which of the following statements about speciation is correct?
A: Natural selection: It is the theory of evolution which is proposed by Darwin where the organisms…
Q: Question 9 What are analogous structures? similar structures with identical uses similar structures…
A: Morphology and comparative anatomy study have provided us with various evidences which has helped…
Q: Question 4: What percentage or Americans believe that evolution does not occur and that humans and…
A: Correct option is B.Between 20% and 40% According to the Pew Research Center, 62 percent of…
Q: QUESTION 2 The data from the fossil record and the human genome supports the idea that, (mark all…
A: Modern humans originated in Africa and spread to the rest of world between 100-200 thousand years…
Q: The largest mass extinction on record is the mass extinction event. O Late Permian O Late…
A: According to law of superposition within a sequence of layer of sedimentary rock the oldest layer is…
Q: Question 1 of 10 Which of the following sources is likely to provide the most reliable scientific…
A: Scientific journals are academic and periodic publication. Its focus is on one major research topic.
Q: For how long has there been life on Earth? For what percentage of time has life existed on Earth?…
A: The age of the earth and proper research about the origin timelines of life had not yet researched…
Q: D Question 4 Which mass extinction led to the disappearance of the dinosaurs? O Triassic O…
A: The recurrent rise and disintegration of ice sheets and glaciers driven by the Milankovitch cycles,…
Q: Are humans (Homo sapiens) the first group to leave Africa? If not, who was?
A: Homo sapiens are modern humans which are evolved from their early hominids in between 200,000 to…
Q: Which of the following statements is true? a. Evolution is a completely random process. b.…
A: ANSWER;- Option D is true Explain;- yes evolutionary processes changes in allele over time.
Q: Question 1 Which term may be used to describe the relatively rapid evolution of a single species…
A: Various processes occurs in the evolutionary biology which impact the species, its decline and even…
Q: QUESTION 19 True or false: All skeletal remains are fossils. 1. True O2. False QUESTION 20 The…
A: Geological time scale is the calendar for events in Earth's history. It is subdivided into eons,…
Q: QUESTION 16 Unit 3 is titled "The Hearth Belt: North Africa and Asia" because all of the following…
A: North Africa and Asia is considered as one of the great cradles of human civilization. North Africa…
Q: QUESTION 1 The toe pads of tree frogs are examples of O 1. behavioral traits. 2. structural…
A: Frogs They belong to the phylum amphibia. Amphibians are the animals that are capable of surviving…
Q: QUESTION 1 Which population is more likely to be affected by genetic drift? a. 215 fleas on a dog O…
A: small population here, option D.12 squirrels in a forest
Q: A. What do scientists think the primitive Earth was like? Give 3 evidences. B. How could life…
A: Our current atmosphere of twenty one percent oxygen would make the emergence of DNA & other…
Q: QUESTION 15 The animal shown here is a (an) .It belongs to phy,um 2 mm Vattenkikaren QUESTION 16 The…
A: The animal shown in the picture is Sea-gooseberry belong to Phylum ctenophora. They are completely…
Q: QUESTION 33 What is the taxonomic order to which humans belong? felidae mammalia primates homo…
A: If you want any specific questions to be solved, then please specify the question number or only…
Q: 19.Approximately how old is earth? Group of answer choices a.about 4.567 billion years b.about a…
A: Fossils are dead plants and animals that have been preserved in sedimentary rock or other crust…
Q: Question # 13. Explain briefly the orthogenesis and orthoselection in evolution.
A: Orthogenesis is also called straight line evolution is a hypothesis which says that successive…
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- Question 21 What is a transitional fossilP. a fossil that reveals links between groups of organisms a snapshot of an ancestral form fossils found between eras fossils of immature organisms that are not yet in adult form all of the aboveAccording to "The Life and Death of a Neanderthal (Shanidar 1)”, what is the time period being discussed in the video? A.Paleocene B.Miocene C.Holocene D.PleistoceneQuestion 1: Mass extinction ocurred on the following time and era except for: A. Mesozoic B. Precambrian C. Paleozoic D. Cenozoic E. All of the answers are correct Question 2: Why would Precambrian Time did not have a lot of fossils? A. fossils were destroyed by extreme heat and pressure. B. soft bodied animals do not leave a lot of fossils. C. majority of the fossils during Precambrian time underwent chemical transformation D. paleontologists haven’t recovered much of the remains of ancient organisms. Question 3: Transgenic organisms have also been developed for commercial purposes most importantly in the agricultural sector. Perhaps the most famous examples are food crops like soy and corn that are now highly resistant to various types of pests. These transgenic organisms are commonly produced by: A. addition, deletion of modification of genes B. gene sequences and programming C. inducing genetic mutations D. genetic transformation by bacteria E. identifying chromosomal…
- According to "Our Earliest Ancestors", what time period is being discussed in this video? A.The Eocene B.The Miocene C.The Pleistocene D.The PaleoceneFor how long has there been life on Earth? For what percentage of time has life existed on Earth? For about how many years of geological time have human existed on earth?A. How old is the Earth? B. How long did the longest eon (so far) last? C. How many years ago did the most recent epoch begin? D. How many mass extinction events has the Earth witnessed so far?
- Use the following figure to answer questions 2 and 3. mya - million years ago 1,00 mya = 1 bilhan yeas ago |4,600 mya: Formation of Earth 4000 mya |3,500 mya: Oldest known fosll Present day |2,000mya:Rrstmulticelled organisms 1,000 myu 3,000 myn 2000 mya 2. How old is the oldest known fossil? 3. How much time passed between the Earth's formation and the appearance of the first multicellular organ- ism? 4. What key evolutionary event occurred 370 million years ago? Would this have been considered macro- evolution or microevolution? Briefly explain your answer.ch QUESTION 19 True or false: All skeletal remains are fossils. 1. True 2. False QUESTION 20 The Geologic time scale (GTS) is a framework for understanding what? 1. Cross cutting relationships 2. Eons, era, periods and epochs 3. Global positioning systems 4. Time per ride on the Matterhorn at Disneyland 5. Biological clocks Click Save and Submit to save and submit. Click Save All Answers to save all ansu Et H hpWhat was the earth like million of years ago? When did the human race first appeared on Earth?
- Geological time covers huge spans, up to billions of years. Yet humans rarely live for more than 100 years. Therefore, why should we bother trying to understand geological time? Does this topic have any relevance to society?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 29 27 28 30 330 29 29 30 Based on the given figure, answer the following questions (Note: BYA=Billion Years ago; MYA= Million years ago) The oldest eukaryote might be dated back to? Each day represents how many years? When did the first prokaryotic fossil exist? When did photosynthesis first emerged? The multicellular organisms appeared? ~1.5 BYA ~2.5 BYA ~10 BYA ~3.5 BYA ~150 MY ~50 MY ~1 MY ~4.5 MYA ~ 10 MYA ~1 BYAWhat was the Earth like million of years ago?