Question | Answer |
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 |