Which phrase best describes a gene?
(1) a segment of a DNA molecule found only in
the body cells of an organism
(2) a segment of a DNA molecule found only in
the gametes of an organism
(3) a segment of a DNA molecule that contains
the instructions for producing a trait in an
organism
(4) a segment of a DNA molecule that contains
the instructions for producing all the
characteristics of an organism
Answer:
B.) Take samples from the same location each time.
Explanation:
The original answer choices to this question are the following:
- Provide details about the creatures in the "other" category.
- Take samples from the same location each time.
- Collect samples from nearby lakes for comparison.
- Use a more sophisticated net to collect smaller creatures.
Phoebe should take samples from the same location, rather than four different locations. This will overall give her more accurate and reliable results. Some areas of the lake will have more or less wildlife depending on what predators and prey live. She must have a control variable in this survey, otherwise her data will not be correct.
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The geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
<h3>What does geological age mean?</h3>
The expression geological age refers to the relative age of a given rock and or fossil (i.e. a piece or trace of dead organism) in a geological time scale.
In conclusion, the geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
Learn more about geological age here:
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Answer:
3) bb
4) the evidence is that not every generation has it, it skips generations, and it gets passed down even though the parents didn't have it. there are carriers
Explanation: