Answer: why it is hard to use dichotomous key in the lab are;
If the organisms you want to use it for are similar.
If you can't see the little characteristics posses by the organisms you are using it for.
If all the pictures does not reveal all the important features of the organisms.
It is very difficult to use it to determine the anatomical structure.
Explanation:
Dichotomous key is an important method that is use in biology to identify organisms by separating or dividing the organisms into two groups. It is a tool created by scientists to help them identify organisms or objects. Once the organisms are group into two, more information is revealed more individually.
We need a picture to answer your question
Answer:
nutrients in the soil is the correct answer
Use a large clay pot or a casserole (Don’t use cast iron or metal ones though, not suitable for cooking vinegar.)
Answer:
Ribose and Deoxyribose.
Explanation:
They are both important components of nucleotides, and are found in RNA and DNA.
Hope I helped!
