A scientist asks the following question: How does the proportion of salt in the solution affect the movement of water into or out of the carrot cells?
Which crosscutting concepts are being used to ask this question?
Choose all that apply:

Cause and Effect

Structure and Function

Scale, Proportion and

Quantity

Patterns

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.