A scientist analyzed a segment of DNA from a human chromosome and found that the percentage of thymine molecular bases (T) was 35%. Which row in the chart below contains the correct percentages of the other molecular bases in the DNA segment?
Which statement about the hares and lynx can be supported with information from the graph?
Which statement concerning the structures within this cell is accurate?
Which process performed by organisms produces oxygen for the aquatic ecosystem?
Examples of autotrophs in this food web are
In addition to grasshoppers, herring may also get energy from
Each species listed is a predator. If the prey organisms that each predator consumes were tested, they would most likely contain
Which statement is best supported by the data in the chart?
The substance represented by the scissors shown cutting the DNA is
The human body has many cells that are deep inside the body. For this reason, the human body requires
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