Bio Final Flashcards
(58 cards)
What is cultural integration in botanical magic?
The use of plants in religious rituals, folklore, and traditional medicine.
What does ‘eye of newt’ refer to?
A folkloric term often meaning mustard seed in herbal traditions.
Why are some poisonous plants used medicinally?
They can be effective in small doses and are culturally believed to have healing properties.
What are some lab-observed toxic ritual plants?
Examples include nightshade, belladonna, and sacred tobacco.
What is a landscape mosaic?
A conservation view of diverse habitat patches across different scales.
What is the paradigm shift in conservation?
Ecosystems are now viewed as dynamic and human-influenced.
What does landscape ecology study?
Spatial arrangement and patterns of organisms and habitats.
Should reserves be treated as islands?
No, they should be connected to surrounding habitat.
What is metapopulation biology?
A model emphasizing species persistence through networks of habitat patches.
Why is movement between habitat patches important?
It supports dispersal, gene flow, and survival.
How can movement between patches be enhanced?
Using wildlife corridors, stepping stones, and reducing fragmentation.
What does reducing hard edges mean?
Softening transitions between habitat types to support wildlife.
What are wildlife corridors?
Pathways that connect habitats and allow safe wildlife movement.
What is the Y2Y corridor?
The Yellowstone to Yukon Conservation Initiative, a major wildlife corridor.
How do wildlife crossings benefit humans?
They reduce wildlife-vehicle collisions.
What are stepping stones in conservation?
Small patches of habitat aiding migratory species.
What are agricultural set-asides?
Lands withdrawn from farming for ecological benefits.
How are urban landscapes viewed in ecology?
As networks of habitat patches.
What are natural greenspaces?
Areas like the LA River or Griffith Park that offer ecological and recreational benefits.
What are the benefits of native plants?
They use less water and support local wildlife.
What are ecosystem conservation principles?
Maintaining processes, resilience, disturbance regimes, and species interactions.
What is common ancestry?
The concept that all organisms share a common ancestor.
What is the peppered moth an example of?
Natural selection via industrial melanism.
What is natural selection?
A process where genetic variation leads to changes in allele frequencies.
