In a Particular Case of Secondary Succession, Three Species of Wild

question 21

Multiple Choice

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a single species dominated the field and the other two species had a lower relative abundance. A possible factor contributing to the abundances of these species in this example of secondary succession is ________.

• A) equilibrium
• B) immigration
• C) inhibition
• D) parasitism

Describe sleep behaviors and phenomena, including sleepwalking and REM behavior disorder.

Distinguish between REM and non-REM sleep and their associated features.

Understand the role of sleep in memory consolidation and learning.

Analyze the relationship between sleep patterns and environmental or evolutionary factors.