PreparED Study Materials
Notes
Videos
Is learning always superior to instinct?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
This video explores the distinction between innate and learned behaviors in animals. Innate behaviors are inborn and instinctive, while learned behaviors develop through experiences and observations, allowing animals to adapt to their environment and enhance their chances of survival.
Why Cancer Cells Remain Undifferentiated: Key Characteristics
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the characteristics that distinguish normal cells from cancer cells in this informative video. Learn how normal cells perform specialized functions for overall health, while cancer cells grow uncontrollably. Discover why cancer cells lack differentiation, ignore reproduction control signals, and their connection to the absence of radical scavengers, all leading to their uncontrolled proliferation.
How Natural Selection Led to the Emergence of MRSA in a Community
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the mysterious rise of MRSA following a battle against S. aureus with methicillin. Delve into various theories, and uncover the power of natural selection in shaping bacterial communities.
Movement in Joints: Synarthrotic to Diarthrotic, How Do They Compare
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the spectrum of movement in joints, from immovable synarthrotic to freely movable diarthrotic. Understand how these classifications correspond to fibrous, cartilaginous, and synovial joint types.
Decomposers: Ecosystem Balance & Life's Unsung Heroes
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the indispensable role of decomposers in ecosystems. Understand their impact on nutrient cycling, energy flow, and ecological balance. Realize what Earth would face without these vital organisms.
Balancing Act: How Negative Feedback Loops Maintain Harmony
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the concept of negative feedback loops in biological systems, where balance is maintained by counteracting changes. Explore the four key components: Stimulus, Sensor, Control Center, and Effector, through examples like blood sugar regulation. Uncover how these loops play a crucial role in keeping our body systems in harmony.