Podcast
Questions and Answers
Which biological systems tend to maintain relatively constant conditions in the internal environment?
Which biological systems tend to maintain relatively constant conditions in the internal environment?
- Systems responding differently to stressors
- Systems amplifying signals
- Systems initiating negative feedback loops (correct)
- Systems undergoing metamorphosis
What type of feedback loops activate to maintain homeostasis when a change in the environment is detected?
What type of feedback loops activate to maintain homeostasis when a change in the environment is detected?
- Reactive feedback loops
- Neutral feedback loops
- Negative feedback loops (correct)
- Positive feedback loops
What is the fundamental stage of development that involves the 'mixing' of maternal and paternal DNA?
What is the fundamental stage of development that involves the 'mixing' of maternal and paternal DNA?
- Fertilization (correct)
- Metamorphosis
- Cleavage
- Gastrulation
Which stage of development involves the formation of the 'zygote'?
Which stage of development involves the formation of the 'zygote'?
What is the process where cells respond differently to morphogen levels, determining their fate in the organism's body plan?
What is the process where cells respond differently to morphogen levels, determining their fate in the organism's body plan?
Which stage of development involves the dramatic change from one form to another?
Which stage of development involves the dramatic change from one form to another?
During which period does gradual decline in physiological function occur?
During which period does gradual decline in physiological function occur?
'Formation of germ layers' is associated with which stage of development?
'Formation of germ layers' is associated with which stage of development?
'Amplification of signals' is a characteristic of which type of feedback loop?
'Amplification of signals' is a characteristic of which type of feedback loop?
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?
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?
Which layer, initially part of the bilaminar embryonic disc, eventually gets replaced by the endoderm during embryonic development?
Which layer, initially part of the bilaminar embryonic disc, eventually gets replaced by the endoderm during embryonic development?
What is the function of the inner cell mass in human embryogenesis?
What is the function of the inner cell mass in human embryogenesis?
Which of the following will eventually form the ectoderm during human embryogenesis?
Which of the following will eventually form the ectoderm during human embryogenesis?
What is the term used to describe the period when an organism is capable of reproduction, allowing for embryogenesis to occur?
What is the term used to describe the period when an organism is capable of reproduction, allowing for embryogenesis to occur?
