Exam 1 Flashcards
Where does native Hawaiian knowledge come from?
a & b. passed down knowledge and practices, document repositories
What do mesofauna prey on?
d. all of the above, bacteria, fungi, and algae
What is the function of mesofauna?
c. all of the above, mix organic materials, decompose organic material
Which is not a physical property of soil organic matter?
promotes soil density
What is the function of microfauna
predators and releasing N
Which of the following is a function of microbes in soil?
Pathogen suppresion
What are the functions of macrofauna?
c. both, improving soil fertility, structure, porosity and and water movement; mixing, fragmenting, and transporting organic material
What is a habitat?
a place where an organism lives its life
What percentage of incoming solar radiation is used for photosynthesis?
1-2%
What is not a main function of the rhizosphere?
absorb sunlight
What are the annual conditions with respect to climate, for a temperate rain forest?
250 cm of rain, 15 C
What are the five factors that affect the ecosystem processes?
climate, topography, parent material, biota, time
Which of the following is not a soil factor
sun availability
millipedes are considered
macrofauna, shredder
a symbiotic relationship between soil and microorganisms are
mutually beneficial to both parties