The scientific method's foundation is best described as "the process of hypothesis and testing through which scientific inquiry happens." Thus, the correct option is D.
<h3>
What is scientific method?</h3>
The scientific method is a set of actions that are followed in order to develop scientific knowledge.
The scientific process includes the following steps:
- To make observations on a particular natural occurrence and then generate questions based on those observations.
- To answer these questions, you must propose a credible explanation (i.e., a hypothesis).
- To put the working hypothesis to the test using experimental and/or observational methods.
- To gather information in order to confirm or refute a working theory.
- Analyze the findings and develop conclusions.
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Answer:
Microtubules
Explanation:
These filament-like structures are a major component of the cytoskeleton of the cell and help is maintain asymmetrical cell shape. They are composed of tubulin molecules arranged to form a 'hollow straw' attached to the cell membrane end to end . The contraction and lengthening of these microtubules are controlled by the addition of removal these of tubulin molecules to vary its length.
If we're asking for elements, it's helium and hydrogen.
Answer:
Phenotype.
Explanation:
Genotype may be defined as the genetic constituent of the organism. Phenotype is the physical appearance of the organism that can be modified by the organism's genotype.
The tall pea plant (TT) and (Tt) constitute the same phenotype as both the genotypes are responsible for the appearance of the tall height of the plants. The phenotype of the plant is controlled by its genotype.
Thus, the correct answer is option (B).
