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A planet moves in an elliptical orbit around the sun. The mass of the sun is Ms. The minimum and maximum distances of the planet from the sun are R1 and R2, respectively. Using Kepler’s 3rd law and Newton’s law of universal gravitation, find the period of revolution P of the planet as it moves around the sun. Assume that the mass of the planet is much smaller than the mass of the sun. Use G for the gravitational constant.

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Name two types of evidence used to support the theory of evolution. explain how scientist use each type of evidence to provide support for evaluation give one example of each?

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List three locations in the U.S. where you might find trilobite fossils. Thanks! (:

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In which of the following types of cells would you expect to find a large number of mitochondria?A:Bone B:SkinC:Muscle D:Blood

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Convergent evolution suggests different organisms evolved _____ due to _____. similarly; different environments, differently; different environments, differently; similar environments, similarly; similar environments

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BIO EXPERTS!!!! very confused! In a population of a plant species, 225 plants are tall, while 26 are short. The height of the plant is controlled by a single gene, and only two alleles are present in this population:T (tall) and t (short), with t being recessive to T. The table below shows the number of short and tall plants over the next several generations: Generation_Tall Plants (T)_Short Plants (t) |____1____|____225____|____26_____| |____2____|____275____|____28_____| |____3____|____233____|____23_____| |____4____|____281____|_____21_____| |____5____|____295____|____18_____| 1. Using the Hardy-Weinberg equation, is evolution occurring in this population? Explain your answer. 2. Describe how an increase in competition for sunlight would affect the frequency of T and t over time.

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There are two species of sparrows that appear very similar to each other. A scientist tried tomate them. He observed that in spite of being of the same species, they didn’t interbreed.What evolutionary force must have worked in this example? A) Migration B) Geographical isolation C) Reproductive isolation

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Scientists have concluded that large mammals, such as the woolly mammoth, roamed the earth before the ice age. How do we know that the woolly mammoth was alive in the ice age? A) fossils B) mass extinction C) evolution

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PLZ HELP ME!!!!!!!!!!!! WILL BRAINLIEST!!!!!!!!!! In what era did reptiles become increasingly dominant?? Cenozoic Paleozoic Mesozoic Precambrian

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Which statement is true, with regard to the theory of evolution? A) Evolution of an entire species can often occur in a single individual organism. B) The theory of evolution is proof that evolution occurs exactly as described, and cannot be revised. C) The theory of evolution offers an explanation of how competition for resources may lead a species to change. D) DNA sequences and protein similarities are the only reliable way to determine that an organism evolved from another.

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Why the inner planets have a shorter revolution time than the outer planets?

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Why do scientists organize living things into groups? a. so they can find them in the wild more easily b. so that the organisms are easier to study c. so they can make sense of the variety of rocks on Earth d. so products from living things can be easily found in groceries

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Wich lists the correct sequence of events for evolution to occur through isolation?

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How do protein and amino acid sequences assist in creating evolutionary relationships? A. They determine common ancestors. B. They represent adaptive radiation. C. They dictate allele frequency. D. They show mutation rate.

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Why do well-dated fossils aid our understanding of evolutionary theory

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Oceanic lithosphere is destoyed at _____. A. Transform fault boundaries B. Divergent boundaries C. Ocean ridges D. Convergent boundaries

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A _______ fossil is any fossil which gives us information about a transition from one species to another. A. transitional B. evolutionary C. sedimentated D. preserved

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Which of these is the correct sequence of events leading to evolution? Variation in species –> natural selection –> differential reproduction –> heredity –> evolution Heredity –> variation in species –> differential reproduction –> natural selection –> evolution Variation in species –> differential reproduction –> heredity –> natural selection –> evolution

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4. In an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on a. inheritance of natural variations b. inheritance of acquired characteristics c. natural selection d. survival of the fittest 5. Charles Darwin called the ability of an organism to survive and reproduce in its specific environment a. diversity b. fitness c. adaption d. evolution 6. Similar patterns of embryological development in different but related organisms are responsible for the formation of a. homologous structures b. analogous structures c. Hox genes d. intermediate fossil forms 7. If an allele makes up one half of the frequency of a population’s allele for a given trait, its allele frequency is a. 100 percent b. 75 percent c. 50 percent d. 4 percent 8. The frequency of phenotypes for a typical polygenic trait is most often illustrated as a. a scatter plot b. a bell-shaped curve c. a pie chart d. a histogram 9. Which of the following events do biologists consider a random change? a. directional selection b. speciation c. disruptive selection d. genetic drift 10. Which of the following statements defines the members of a species? a. They are temporarily isolated from each other b. The are geographically isolated from each other c. They mate and produce offspring d. They have identical genes

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1.Where can you find what dates the Florida Hunting Regulations Handbook is valid for? You can go to your local wildlife ranger station or you could go to a park and ask a ranger there. 2. Specific wildlife management area regulations are not covered in this handbook. Where can additional information and maps be found for WMA’s? 3. The regulation handbook lists definitions for resident game in Florida. What are Florida’s two Resident Upland game birds?

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Please answer all of them correctly!!! I need a 100%

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Answer Please I am begging you!! Who ever get it 1st, I will put as brainliest!!!!

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ANSWER NOW!!!!! Please!!??

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BIO EXPERTS!! 15 PTS Programmed cell death (apoptosis) is sometimes called “controlled cell suicide.” Explain what happens during this process and discuss TWO specific consequences that could occur if apoptosis did not occur when it should.

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Joy has a DNA sample from each of five unknown animals. She wants to find the molecular mass of each sample to determine which sample belongs to which animal. Which method should she use? a. gel electrophoresis of the DNA samples b. transformatiion of different E. coli strains using the DNA samples c. paper chromatography of the DNA samples

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Oxygen first entered Earth’s atmosphere when one-celled organisms resembling modern cyanobacteria began to carry out the process of _____. A fossilization B evolution C photosynthesis D erosion

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Which of the following statements is true? Organisms that evolve in the same environment often have homologous structures. Since there are gaps in the fossil record, it cannot be used as evidence for evolution. Human morphology and embryo development is very different from all other organisms. The more similar the embryonic development of two species, the more closely they are related

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Dr. Digger, a paleontologist, finds a fossil that he describes in his journal. The creature was approximately 1 meter long, with its backbone fused into a large shell covering the body cavity. It had a beaklike mouth, without teeth, and all four limbs were in the form of flippers. Based on anatomical similarities, to which modern animal is Dr. Digger’s creature most closely related? zebra bony fish sea turtle snake

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What is another name for evolutionary relationship?

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I need this answered!! NOW!! THIS IS URGENT!!!!!!!!

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