Biology, 22.06.2019 11:30 gymnastcaitlyn1

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.

Answers: 1

Show answers

Answers

Answer from: pkot3409

1) Homologous features:

These are the features or structures that have similar structure in several different organisms but function in a unique way in all of them. These structures indicate anatomical similarities as well as same ancestry of different organisms. For example, the forelimb of birds, humans, dogs and whales, perform different function in all these organisms. But when we analyse the layout of bones or layout of arrangement, we find that it is very similar across all of them. This indicates that, the ancestor of all these organisms was was, but with the passage of time when organism dispersed, and environmental conditions changed, it was evolved into different organisms as per favorable conditions.

2) Molecular biology:

As we know that all living organisms are a compilation of billions and trillions of unique biological molecules, that group in unique fashion to constitute whole organism. Interestingly, some biological molecules and the process of their formation can provide sound evidences of evolution. For example, DNA, sequence of nucleotide in DNA, amino acids, process of transcription, translation etc.

The study of evolution through molecular uniformity has led to the foundation of a novel branch of evolution called phylogenetics. The sequence of nucleotides in DNA is used to find the best possible ancestor of any organism. For example, Phylogenetic analysis has found that the origin of eukaryotes is from prokaryotes over the period of time.

3) Fossil records:

Fossils are the preserved remains of previously living organisms or their traces, dating from the distant past. This don't means that fossils represent complete skeleton of an organism, because many organisms don't even fossilize and those who fossilize don't have complete remains.Nonetheless, the fossils that humans have collected offer unique insights into evolution over long timescales. For example, study of horse fossils has enabled the scientists to reconstruct a large, branching "family tree" for horses and their now-extinct relatives.

Answer from: Quest

the cell theory states that all living things including animals, as well as plants, are made of cells.

Answer from: Quest

the bald eagle got 50 because everything gets 10% of what they consume and since 50 is ten % of 500 hundred that means the grasshopper had to have consumed a plant with 5,000 calories of energy

Other questions on the subject: Biology

Biology, 21.06.2019 21:20, cxndii13

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Answers: 2

continue

Biology, 21.06.2019 22:30, georgehall9515

Listed in the item bank are some key terms and expressions associated with the categories seen in the venn diagram. to find out more information about items, some have more details available when you click on them. drag and drop each item onto the proper area of the diagram. if an item describes more than one category, be sure to place it in the overlapping space. viruses are tiny infectious pathogens that cause many different diseases, such as polio, and the flu. though they are similar to one celled organisms in some ways, in many ways they are very different. use the venn diagram below to show the similarities and differences between viruses and living organisms.

Answers: 3

continue

Biology, 22.06.2019 02:30, mahaypatto

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

Answers: 1

continue

Biology, 22.06.2019 03:00, Lukeadams

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.

Answers: 2

continue

You know the right answer?

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3...