biology-human reproduction

    Cards (66)

    • What is the term for variation that can take any numerical value?
      Continuous variation
    • What does normal distribution represent?
      Distribution of variables in a bell-shaped curve
    • How is a species defined?
      Group of organisms that can interbreed
    • What is discrete variation?
      Differences in characteristics grouped into categories
    • What is an example of continuous variation?
      Height or wingspan
    • What is an example of discrete variation?
      Eye color
    • What causes inherited variation?
      Differences caused by DNA
    • What is environmental variation?

      Differences caused by the environment
    • Why are siblings not exactly the same?
      They inherit different genes
    • How can variation be important for survival?
      It can provide a survival advantage
    • What is one inherited characteristic mentioned?
      Eye color
    • What is one environmental characteristic mentioned?
      Accent
    • Name three features a foal inherits from its parents.
      Eye color, hair, blood
    • Why can children from the same parents be very different?
      They inherit different genes
    • Will all types of variation give a survival advantage?
      No, some variations can be disadvantageous
    • What is the importance of genetic and environmental variation?
      They enable adaptation and resilience
    • What happens to the uterus lining during menstruation?
      It breaks apart and bleeds
    • What occurs during ovulation?
      An egg cell is released from the ovary
    • How long does menstruation last?
      Approximately 3-7 days
    • What is the purpose of the female reproductive system?
      To provide egg cells and support a fetus
    • What are possible causes of infertility?
      Stress, alcohol, smoking, blockages
    • What is the definition of menstruation?
      Cyclical breakdown of uterus lining
    • What is the role of the placenta?
      Provides oxygen and nutrients to the fetus
    • What is an embryo?
      Young fetus before main organs form
    • What is gestation?
      Process where baby develops during pregnancy
    • What is the difference between an embryo and a fetus?
      An embryo is before organs form
    • What is the function of the umbilical cord?
      Connects fetus to mother's placenta
    • What protects the fetus during pregnancy?
      Amniotic fluid
    • What are the main purposes of the male reproductive system?
      To produce sperm and inseminate
    • What is the role of the sperm duct?
      Tube carrying sperm from the testes
    • What is fertilization?
      Fusion of male and female sex cell nuclei
    • What happens during sexual intercourse?
      Sperm is released into the female
    • What is the function of the prostate gland?
      Where semen is made
    • What is the role of the scrotal sac?
      Protects testicles and regulates temperature
    • What is the journey of a sperm cell?
      From testicles through sperm duct to urethra
    • What is the difference between ovulation and fertilization?
      Ovulation is egg release; fertilization is fusion
    • What is the definition of validity in research?
      Suitability of a procedure to answer a question
    • What is the effect of alcohol on pregnancy?
      Higher rate of stillbirths and lower IQ
    • What is folic acid?
      Substance that aids fetal brain development
    • How can we determine if evidence is valid?
      It considers all variables and is unbiased
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