Lec 1 Flashcards
What does CFIA stand for?
Canadian Food Inspection Agency
Plant kingdom (7)
Protozoa, plantae, fungi, animalia, bacteria, chomista, viruses?
What is an Autotroph?
Primary producers - plants, phototrophs, chemoautotrophs
What is the photosynthesis chemical equation?
6CO2+12H2O–>C6H12O6+6O2+6H20
What is the reverse of photosynthesis called?
Cellular and oxidative respiration
What is a heterotroph
Cannot produce own food - primary users
Mouse in a bell jar experiment
shows that plants consume CO2 and produce O2
What is the most abundant gas in the atmosphere?
Nitrogen
Where is most of the earths carbon?
Earths crust - sedimentary rocks (99%)
Transpiration vs evaporation
Transpiration is the movement of water from the roots to leaves and stem then lost to the atmosphere
evaporation is the change from liquid to gas
What is a food chain?
Movement of nutrients and energy through an ecosystem
trophic levels from bottom to top
Decomposers - primary producers - primary consumers - secondary consumers - tertiary consumers
what is phytofiltrate
plants that filter harmful substances and stores it safely
How do plants control erosion
roots hold soil and water
What is biofuel
fuel derived from biomass (plants and other)