which is the first? t in the ded accretedoing to thecenter of the planet. formed
ID: 202192 • Letter: W
Question
which is the first? t in the ded accretedoing to thecenter of the planet. formed c. Mantle 12. There are 3 main soures b. Frictional heat caused by denser core c. Heat from decay of radioactive elements a. Heat from when t Heat from when the planet formed and for 13. Which of these is responsible for earths magnetic field? a. Churning metal of the inner core b. Churning metal of the middle core. c. Churning metal of the outer core 14. Which of these are units of magnetism? b. Tesla/joule c. Tesla 15. Which of these best describes adaptation? live and thrive in a common area. a. A group of individual of the same species that b. A process by which useful characteristics evolve. c. The physical expression of an organisms genes. 16. Which of these describes the physical expression of an organisms genes? a. Genotype b. Phenotype c. Trait 17. True or False: An example of genotype would be phenotype 18. True or False: An example of phenotype would be genotype. 19. True or False: The specific form of a character is a trait. 20. Th....is the sum of all copies of all alleles at all loci in a population. a. Traits b. Genes frequency c. Gene pool 21. If a locus has Two lleles A and a, how many possible genotypes could there be? C. is a form of nonrandom mating that does change allelé frequencys 22. 2er a. Natural selection b. Sexual selectionExplanation / Answer
12)The main 3 sources of heat are:primordial, Gravitational, Radioactive. So the answer is A.
13)Since the earth is moving through the sun's magnetic field and conducting material in the outer core is constantly moving around in convention currents, so an electric current is generated. But if the electric current in the core the magnetic field will be formed.Answer is C.
14)Unit of magnetic field is Tesla(T) answer is C.
15) A group of organisms that survive in their ecological niches. It is a biological process. Answer is A.
16)It gives the appearance of the organism how they genes are expressed. It physically expressed one or more genes in an trait. Answer is B.
17)True. Because the genotype is the genetic makeup of the genes. The phenotype is the characteristics of that trait.
18)False
19)True. Because trait is a genetically determined character.
20) It is called as gene pool Answer is C.
21) Genotype is also known as pair of alleles present in a single locus. With A and a they are three possible genotypes occur they are Aa, Aa, Aa. With this three alleles they 6possible Genet yes. So the answer is B.
22)Answer is A.
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