envisci

• What is famine?

  A widespread scarcity of food
• What causes famine?

  Factors include war, disasters, and poverty
• What are the consequences of famine?

  Malnutrition, starvation, and increased mortality
• What is poverty?

  A lack of financial resources for living
• What are the causes of poverty?

  Diverse social, economic, and political factors
• What is pestilence?

  A deadly disease affecting a community
• What is an energy crisis?

  A significant shortage of energy resources
• What does an energy crisis often refer to?

  Shortages in energy sources for economies
• What is ecology?

  A scientific discipline studying relationships with the environment
• What is the primary focus of ecology?

  The individual's relationship with the environment
• What are the levels of biological organization?

  • Cell
  • Tissue
  • Organ
  • Organ system
  • Organism
  • Population
  • Community
  • Ecosystem
  • Biosphere
• Who is known as the Father of Biology?

  Aristotle
• What did Aristotle classify?

  Animals according to habitats and habits
• Who is known as the Father of Botany?

  Theophrastus
• What did Theophrastus study?

  Plant types and forms related to conditions
• What are the four laws of ecology?

  1. Everything is connected to everything else.
  2. Strength and stability in unity of differences.
  3. Consumption must not exceed sustainable production.
  4. Everything has a purpose.
• What defines an ecosystem?

  A community of organisms and their environment
• What are biotic factors?

  Living components of an ecosystem
• What are producers in an ecosystem?

  Green plants that manufacture food
• What are autotrophs?

  Organisms that produce their own food
• What are chemotrophs?

  Bacteria producing food without light
• What does Thiothrix do?

  Oxidizes hydrogen sulfide to produce energy
• What are herbivores?

  Plant-eating organisms in the food chain
• What are decomposers?

  Bacteria and fungi converting organic compounds
• What are abiotic factors in an ecosystem?

  • Soil
  • Temperature
  • Light
  • Water
  • Wind
• What is the equation for aerobic respiration?

  Glucose + Oxygen → Carbon Dioxide + Water
• What is a food web?

  A complex network of food chains
• What does the first law of thermodynamics state?

  Energy cannot be created or destroyed
• What does the second law of thermodynamics state?

  Energy loss occurs as heat and entropy increases
• What is the energy pyramid?

  A model of energy flow in a community
• What is the role of the Sun in ecosystems?

  Source of most energy on Earth
• What is the difference between a food chain and a food web?

  A food chain shows linear relationships
• What are the kinds of symbiosis?

  1. Mutualism – both benefit.
  2. Parasitism – one benefits, one harmed.
  3. Commensalism – one benefits, one unaffected.
  4. Competition – sharing limited resources.
  5. Predation – act of preying for food.
• product of decomposition

  carbon dioxide

  water

  nitrogen

  carbon
• are green plants that manufacture food in the form of glucose by the process of photosynthesis

  PRODUCERS
• Producers are green plants that manufacture food in the form of glucose by the process of photosynthesis. They are also known as

  autotrophs.
• are plant eating organisms that usually occupy the second trophic level in the food Chain

  PRIMARY CONSUMER - HERBIVORES
• Bacteria and fungi that convert organic compounds into inorganic forms which can be used again by living organisms.

  DECOMPOSERS
• where do ascaris live and multiply

  small intestine