Answer:
Vestigial organs are a type of homologous organs.
Explanation:
Vestigial organs are rudimentary in present organisms. Vestigial organs such as wisdom teeth,nictating membrane of eyes,body hairs,which were functional organs in ancestors. Though they are present in an organism in reduced form but are functionless.
Examples of vestigial organs:
1. Human tail or appendix,
2. Pelvic bone of a snake
3. Wings of flightless birds
4.Male breast tissues and nipples
In the brain especially in the eyes
1- C ( this is an assumption; a hypothesis is always based on an assumption.
2- F ( this states to share the results with other classmates).
3- D (this is a description of an experiment you could conduct; you test a hypothesis (usually) by conducting an experiment.
4- A (this is something you could observe during the experiment, therefore it is an observation).
5- E (this sentence is a conclusion).
6- B (This is an actual question)
Answer:
I think B is baby teeth and A is permanent teeth
a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.
The cell is the smallest level of organization and is composed of chemicals and atoms. These chemicals regulate the structure and functioning. Thus, the statement is true.
<h3>What is a cell?</h3>
A cell has been defined as the basic unit of the organization of organisms that have been known to be composed of chemicals, atoms, and molecules. They are bonded together to perform various functions.
The chemicals and elements involved are the fundamentals that provide the structural support and functions of the cell like the carbohydrates and lipids provides shape to the cell.
Therefore, the statement is true.
Learn more about the cell, here:
brainly.com/question/13021101
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Your question is incomplete, but most probably your full question was, that cells are composed of chemicals, and both the structure and function of cells are regulated by basic chemistry principles. (True/false).