Flashcards in Chapter 3 Vocab Deck (24):
The study of organisms in the biosphere and and how the interact with each other, their surroundings, and their environment.
Organism that is able to capture energy from sunlight or chemicals and use it to produce its own inorganic compounds. Also called a producer.
“captures light energy and uses it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches. This process adds oxygen to the atmosphere and removes carbon dioxide.”
Chemical energy is used to carry out carbohydrates.
Heterotrophs or consumer
Acquire energy from the environment and other organisms
Kill and eat other animals
Eat plants, seeds,fruits,ect.
Consume carcasses of other animals
Includes a diet of both plants and animals.
Feed by chemically breaking down organic matter
Feed on detritvous particles
Series of steps in which organisms transfer energy by eating and being eaten
Photosynthesic algae near the surface of the ocean
Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
Illustration of the relative amounts of energy and matter contained within each trophic level in a given food chain or web
Process in which elements, chemical compounds, and other forms of matter are passed from one organism to the other and one biosphere to the other
Chemical substance an organism needs to stay alive
Process of converting nitrogen gas into nitrogen compounds that plants can absorb and use
Process by which bacteria convert nitrates into nitrogen gas
Activities preformed by living organisms
Geological changes in the Earth
Ex. Lightening, clouds
Human actions that affect cycles on a global school