How Do Primary Endosymbionts of Insects Differ from Secondary Endosymbionts

question 15

Multiple Choice

How do primary endosymbionts of insects differ from secondary endosymbionts?

• A)Primary endosymbionts provide the insect with nutrients.
• B)Secondary endosymbionts protect the insect from harmful bacteria.
• C)Secondary endosymbionts do not remain with the host after three or four generations.
• D)Primary endosymbionts show evidence of co-speciation with the host insect.
• E)Secondary endosymbionts can easily be cultured.

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Definitions:

Level of Significance

A threshold in hypothesis testing, denoted by alpha, that determines the probability of rejecting a true null hypothesis, often set at 0.05 or 5%.

Testing

The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

Null Hypothesis

A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Ratio

A quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.