Topic 1-3 Flashcards
What are provising service?
Products that humans obtain from the environment
- foood, raw materials, medicines, energym water, genetic resources
Loss of species leads to a loss of ______
Biodiversity
What are regulating services
The benefits that humans get besides materials
Ex: air and water purification, climate regulation, pollination, pest control
Supporting services
Ecosystem services that are crtitical to biosphere viability
Ex: production of O2, absorbing CO2, cycling of biomass, providing habitats
Cultural services
Habitats or pieces of land are used for educational, recreational, and cultural purposes , non material benefits
Invasice species
Species that negatively impact the environment, economy, or society
What does warmer climate expand?
It expands disease and a range of pests
True or false. Organisms need a lot of genetic variation in order to adapt to changes in their environment
True
What is the scientific definition of a theory?
Natural explanation for a wide range of phenomena. Theories are widely supported with evidence and are widely accepted to be valid
With repeated specific observations, we can use ______ ______ to form questions that lead to _____
Inductive reasoning, hypothesis
Inductive reasoning definition
broad generalizations that are derived from many observations
What is a scientific hypothesis
Tentative or proposed explanation for a set of observations based on the available data and guided by inductive reasoning
They are tentative and can be easily changed
Deductive reasoning
Making predictions with “if…then…because..” logic
Can we prove that a hypothesis is true?
No. Never. Period
What will repeated testing do to a hypothesis?
It increases confidence in the hypothesis
