18 Questions
What is the main factor used to determine the evolutionary relationship between two species?
The similarity in amino acid sequences between the species
Which of Lamarck's theories is the idea that organisms evolve and alter their body parts or structure according to their needs?
Theory of Needs
Which of the following is NOT a factor that can cause a decrease in population growth?
Birth
Which of the following best describes the concept of 'resistance' in terms of ecosystem stability?
The ability of an ecosystem to maintain its structure and function despite changes
What is the relationship between biodiversity and ecosystem stability according to the text?
The more diverse an ecosystem is, the more stable it is
Which of Lamarck's theories is the idea that body parts used often are developed further, while those not often used will disappear?
Theory of Use and Disuse
What is the primary function of the ovaries?
To produce estrogen and progesterone
What is the role of the fallopian tubes in the female reproductive system?
To transport the ovum from the ovary to the uterus
What is the purpose of the feedback mechanism in the hormonal regulation of the reproductive system?
To maintain hormone levels within desirable limits
During which phase of the menstrual cycle does the uterine lining shed?
Menstrual phase
What is the role of the nervous system in the coordination of the reproductive system?
To work together with the endocrine system to facilitate reproduction
What is the primary function of the $ ext{GnRH}$ (Gonadotrophin-releasing hormone)?
To regulate the levels of $ ext{FSH}$ and $ ext{LH}$ hormones
What is the main purpose of the male reproductive system?
To produce and deliver sperm
Which part of the male reproductive system secretes a sugar-rich fluid for sperm cells to use as energy?
Seminal vesicle
Which part of the male reproductive system creates an alkaline/basic fluid to neutralize the acidic environment of the female reproductive system?
Prostate gland
What is the function of the bulbourethral gland in the male reproductive system?
To create an alkaline/basic fluid to neutralize traces of urine in the urethra
Which part of the male reproductive system carries both urine and semen?
Urethra
Why is the scrotum located outside the body?
To allow for a cooler temperature than the internal body temperature for spermatogenesis to occur
Explore the theories of evolution proposed by Jean-Baptiste de Lamarck, including the theory of needs, theory of use and disuse, and theory of acquired/inherited characteristics. Understand how organisms evolve and alter body parts based on their needs and experiences.
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