14 Questions
Which biological systems tend to maintain relatively constant conditions in the internal environment?
Systems initiating negative feedback loops
What type of feedback loops activate to maintain homeostasis when a change in the environment is detected?
Negative feedback loops
What is the fundamental stage of development that involves the 'mixing' of maternal and paternal DNA?
Fertilization
Which stage of development involves the formation of the 'zygote'?
Cleavage of zygote
What is the process where cells respond differently to morphogen levels, determining their fate in the organism's body plan?
Organogenesis
Which stage of development involves the dramatic change from one form to another?
Metamorphosis
During which period does gradual decline in physiological function occur?
Senescence
'Formation of germ layers' is associated with which stage of development?
'Gastrulation'
'Amplification of signals' is a characteristic of which type of feedback loop?
'Positive feedback loops'
What is the term used to describe the structure that will form most of the placenta and is essential for correct implantation into the uterus?
Trophoblast
Which layer, initially part of the bilaminar embryonic disc, eventually gets replaced by the endoderm during embryonic development?
Hypoblast
What is the function of the inner cell mass in human embryogenesis?
Nutrient provision to trophoblast
Which of the following will eventually form the ectoderm during human embryogenesis?
Epiblast
What is the term used to describe the period when an organism is capable of reproduction, allowing for embryogenesis to occur?
Fertile stage
Test your knowledge on the fundamental principles of development, gene theory, cell theory, stem cells, and morphogen gradients. Learn about the formation of multi-cellular organisms and the study of developmental biology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
