The answer is primary. That means the answer is a.
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Answer:
The esophagus and the stomach.
Explanation:
There are many parts to the digestive system, but these are the most common answers.
A spider because they eat insects such as flies
The question is incomplete as it lacks the group of choices required to answer. However, the correct answer on the basis of general information and knowledge is as follows:
Answer:
The cell theory expresses that: all living things are made out of at least one cell; the cell is the essential unit of life; new cells emerge from existing cells.
- Robert Hooke, an English researcher, watched little compartments in a slight cut of oak bark; he called them cells.
- Anton van Leeuwenhoek, a Dutch researcher, utilized a magnifying lens to watch living lake living beings.
- Researchers found these cells in all creatures that they watched. it was also evident before forming cell theory that cell arises from cells.
