Answer:
observation or experience
Explanation:
Empirical method is a study that uses indirect or direct observations in order to gain some knowledge. It uses empirical evidences-information that are collected through observation or experience.
Theory that is tested by empirical method involves the use of objective, that is observed, highly controlled and replicable.
A dependent variable is the thing being measured in an investigation
Answer:
Genetic material
Explanation:
Living organisms have been hierarchically classified into groups. For a newly discovered organism, the most accurate characteristics that could be used to classify such organisms will be the GENETIC MATERIAL. The genetic material shows the evolutionary relationship between the new organism to ones that have existed and been classified.
Organisms with similar genetic characteristics are similar to one another, hence, that can be used as an accurate means of classification. The DNA of an organism can serve as an evidence to place an organism in a particular hierarchical group called Taxonomy.
Awnser :
competition
Explanation :
Tapeworms do not have a digestive tract. Instead, they absorb their nutrients from the gut contents of the host directly through their outside surface, tegument.