B) Prairie grasses have narrow leaves.
Took the quiz it's right.
Answer: DNA
Explanation:
Analyzing DNA from present-day and ancient genomes provides a complementary approach for dating evolutionary events. Because certain genetic changes occur at a steady rate per generation, they provide an estimate of the time elapsed. These changes accrue like the ticks on a stopwatch, providing a “molecular clock.” By comparing DNA sequences, geneticists can not only reconstruct relationships between different populations or species but also infer evolutionary history over deep timescales.
Answer:
The top blank is atmospheric CO2, the right blank is combustion (i think, I can't see the bottom), the left blank is plants use CO2, the bottom blank is organisms release CO2.
Explanation:
Answer:
Can't tell if you're asking a question or not. But anyway, atoms are made up of all three of those things...
I believe when DNA is denatured by heat, hydrogen bonds are separated to create single stranded DNA. When the DNA solution is heated enough, The double stranded DNA unwinds, and the Hydrogen bonds that hold the two strands together weaken and finally break. The process of breaking a double-stranded DNA into single strands is known as DNA denaturation, or DNA melting.
