Breaking cells open to release the DNA.
Separating DNA from proteins and other cellular debris.
Precipitating the DNA with an alcohol.
Cleaning the DNA.
Confirming the presence and quality of the DNA.
Answer:
A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae. Biotic and abiotic factors work together to create a unique ecosystem.
What are your choices?
EDIT
The answer you are looking for would be wood.
Hope I helped!!
<span>Gravity acts on all objects in the universe.</span>
Answer: The answer is Core Samples, Earthquakes, S waves, and Rock composition.
Explanation:
It’s talking about study the whole interior of Earth not just one part el to learn about the Earth they have to study the rocks. The waves allow us to know whether or not the the outer core is liquid I believe. The Earthquakes shake the Earth allowing us to get new rocks. Rock composition helps us to be able to know what our old Earth was like and when they were deposited. And Core samples allow to be able to see the temperature of the core and such things.