Question

Living things contain units of structure and function that arise from preexisting units. This statement best describes the
A) cell theory
B) lock-and-key model of enzyme activity C) concept of natural selection
D) heterotroph hypothesis

Answer 1

Answer:

cell theory

Explanation:

cells are the basic unit of structure in organism

Answer 2

The statement that living things contain units of structure and function that arise from preexisting units best describes the cell theory.

What is living things?

• " Any organism or a life form that possesses or shows the characteristics of life or being alive."
• The characteristics include: it can grow, move, reproduce, eat food and perform metabolic activities.

What is cell theory?

• The traditional cell theory was given by Schleiden and Schwann.
• But later Rudolf Virchow has also added his point.
• According to this: all organisms are made up of cells, new cells develops or arise from a preexisting cell and the cell is the structural and functional unit of life.

Hence, the correct option is A. cell theory.

To know more about cell theory here

https://brainly.com/question/4695161

#SPJ2