All of the Following Statements Regarding Nematode Phylogeny Are True

question 13

Multiple Choice

All of the following statements regarding nematode phylogeny are true except one.

• A)All nematodes that are plant or animal parasites belong to a single clade.
• B)The old classification based on two classes is incorrect.Molecular analysis suggests that there are three nematode clades.
• C)Ancestral nematodes were probably marine organisms.
• D)Freshwater nematodes are found in all three clades.Marine nematodes are found in two of the three clades.

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Definitions:

Consciousness

The state of being aware of and able to think about one's self, environment, and thoughts; encompasses wakefulness and awareness.

Self-Awareness

The conscious knowledge of one's character, feelings, motives, and desires.

NREM Stage 3

The third stage of non-rapid eye movement sleep, characterized by deep sleep and the presence of delta waves in the brain.

REM Sleep

A sleep phase characterized by rapid eye movement, during which vivid dreaming most often occurs and brain activity resembles that of the waking state.