Answer:
Physical characteristics.
Explanation:
She knew what type of birds they were based on their physical characteristics.
She didn't see their nests, or see them eat, and she didn't test and analyze their genetics, so a is the correct option.
Can you be a little more descriptive? Thanks
The mode for this set of data is: 45.
<h3>What is mode?</h3>
Mode can be defined as the number that appear more than other numbers.
The given chart is:
Anxious behaviors per hour
Subject 1 60
Subject 2 45
Subject 3 20
Subject 4 70
Subject 5 45
Based on the above chart we can see 45 in subject 2 and 45 in subject 5 which in turn means that 45 appear more than others numbers as it appear twice.
Therefore The mode for this set of data is: 45.
Learn more about mode here:brainly.com/question/14532771
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Answer:
The sleep-wake cycle, including key factors such as REM and NREM stages, brain wave patterns, and the typical characteristics or behaviors for each stage is explained below in detailed explanation.
Explanation:
(REM) rapid-eye-movement sleep and non-rapid eye movement (NREM) sleep are a couple of types of sleep. NREM sleep is classified into steps 1, 2, 3, and 4, describing a continuum of comparable extent. Each has different features including modifications in brain wave patterns, eye movements, and muscle condition.
