Multiple Choice
Which of the following is a characteristic shared by both plants and animals that increases their chances of successful reproduction?
102
views
1. Introduction to Biology
Characteristics of Life
Multiple Choice
Which characteristic of life varies from individual to individual and is affected by fitness level?
A
Genetic code
B
Metabolic rate
C
Cellular structure
D
Number of chromosomes
Verified step by step guidance1
Understand the question: The problem is asking which characteristic of life varies among individuals and is influenced by fitness level. This requires identifying a biological trait that is dynamic and can change based on physical activity or health.
Review the options provided: The options are 'Genetic code,' 'Metabolic rate,' 'Cellular structure,' and 'Number of chromosomes.' Analyze each option to determine its relevance to the question.
Evaluate 'Genetic code': The genetic code is fixed for an individual and does not vary based on fitness level. It is inherited and remains constant throughout life.
Evaluate 'Cellular structure' and 'Number of chromosomes': Cellular structure is generally consistent across individuals of the same species, and the number of chromosomes is fixed for a species (e.g., humans have 46 chromosomes). Neither of these characteristics is influenced by fitness level.
Evaluate 'Metabolic rate': Metabolic rate refers to the rate at which an organism converts energy from food into usable energy for cellular processes. This characteristic can vary significantly among individuals and is influenced by factors such as fitness level, age, and activity level. Therefore, 'Metabolic rate' is the correct answer.
Related Videos
Related Practice
