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NHS-Biology Review#3

Biology Review 15-16

QuestionAnswer
Speciation the formation of new species as a result of evolution by natural selection.
What most likely effect on speciation could separation of populations have? If the environments differ enough, the separated populations may evolve differently.
Improves the chances that an organism would survive and reproduce Stronger leg muscles that allow an animal to jump away form danger.
If the structure of DNA is common to all organisms, what leads to genetic diversity among organisms? The sequence of nucleotides in the DNA molecule.
How is the double helix structure of DNA related to the function of DNA? The pattern of complimentary bases on each side of the DNA ladder ensures that exact copies of the DNA are made during replication.
Antibiotic resistance occurs when antibiotics no longer work against disease-causing bacteria.
A single person can most contribute to the production and spread of antibiotic-resistant bacteria by not completing a full course of prescribed medication.
Used to enable movement, provide structure and support, and carry out important chemical reactions inside the body. proteins
What is needed in order for the human body to synthesize proteins? a diet rich in amino acids
Mistletoe is a plant that grows on trees. If mistletoe benefits from the relationship and the tree is harmed, what kind of relationship exists between the two organisms? parasitism
 

 



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