Answer:
Trees sprouting after a forest fire.
Explanation:
<span>Flatworms use a system of canals and tubes with the mouth as their excretory organ. They belong to the Phylum Platyheminthes. </span><span>Flatworms
can be cut in half creating two individuals by binary fission. Binary
fission is a type of asexual reproduction in which the offspring has the same
features and characteristics of the parent. During binary fission, the DNA
replicates into two and goes at the end of each membrane. And then the cell
membrane divides into two daughter cells. Then cytokinesis follow.</span>
<span>A continuous, uncontrollable anxiety or worry that occurs almost on a daily basis during a period of six months and that is not due to any physical causes such as disease, drugs, or drinking too much coffee is called generalized anxiety disorder.
Drinking too much coffee can cause anxiety more worse and even it leads to anxiety attacks. caffeine is a psychoactive drug. There are some benefits of drinking coffee but drinking too much coffee has side effects.</span>
There are two main types of research, which could be classified as manipulation and observation. Both types are fundamental in research.
<h3>Empirical research and evolution</h3>
Evolution is the subdiscipline in biology that studies how organisms change to adapt to challenging environmental conditions.
Empirical research refers to any scientific investigation in which conclusions are drawn from empirical evidence.
This type of research (empirical research) is based on observation of the natural world and experimental procedures.
Learn more about empirical research here:
brainly.com/question/6862874
