Biodiversity & Conservation Flashcards
(12 cards)
What are three types of biodiversity?
Genetic, Species, and ecosystem diversity
Why is biodiversity important?
its important because it provides direct and indirect economic benefits and maintains a healthy biosphere.
What are the direct and indirect values of biodiversity?
direct- Humans depend on plants and animals for food, clothing, energy, and medicine.
indirect- Green plants provide oxygen and remove carbon dioxide.
What are the threats of biodiversity?
Overexploitation, habitat loss, fragmentation of habitat, pollution, introduces species are threats to biodiversity.
How is the current extinction rate different from the background extinction rate?
It is different because background extinction rate is the gradual process of species becoming extinct meaning it is a very slow process.
How can the decline of a single species affect an entire ecosystem?
The decline of a single species can affect an entire ecosystem because it can affect other species and start a reaction.
What are the two classes of natural resources?
The two classes of natural resources are non renewable and renewable resources.
What are the methods used to conserve biodiversity?
The methods to conserve biodiversity are corridors, endemic, legally protecting it.
What are two techniques used to restore biodiversity?
Two techniques used to restore biodiversity are bioremediation and biological augmentation.
What does the plasma membrane form?
The plasma membrane forms a thin, flexible boundary between a cell and its environment.
What is the cell theory?
is one of the fundamental ideas of modern biology, and includes the following three principles:
What does the plasma membrane contain?
contains cholesterol, proteins, and carbohydrates.
