<span>Answer: absence of xylem and phloem
hope this helps :3</span>
Answer:
<em>In a scientific investigation the term quantitative data refers to numbers that are usually followed by a unit.</em>
Explanation:
A scientific investigation can be described as an investigation which is made through the scientific method of research. A scientific question is often tried to be answered through valid experiments by this method. The experiments performed can either be quantitative or qualitative. Quantitative data is the data which is taken through mathematical or statistical methods and has a well-defined unit in which the measurements or numbers are being taken.
The three types of point mutations that can occur during replication/protein synthesis such as Insertion, Deletion, and Frameshift.
Look up Dawrin's theory of evolution. Basically, fossil records show how life forms change over time through evolution.