_____21. They are unable to produce food, are constantly looking for sources of organic
nutrients from elsewhere.
A. Autotrophs B. Detritivores C. Decomposers D. Heterotrophs
______22. It is the amount of energy that is passed from one organism to the next in a
food chain.
A. 5% B. 10% C. 15% D. 20%
_____23. The release of water vapor from the leaves of trees is called ________
A. Evaporation B. Condensation C. Precipitation D. Transpiration
_____24. Lichen is a symbiotic decomposer that attaches itself to trees and slowly
breaks them down. They obtain nutrients from the tree allowing them to
survive and produce. What type of relationship is this?
A. Predator- prey B. Parasitism C. Mutualism D. Competition
_____25. It is the study of how organisms live and how they interact with their
environment. A. Biology B. Zoology C. Botany D. Ecology
______26. An organism that can make their own food.
A. Autotrophs. B. Consumers. C. Decomposers. D. Heterotrophs
_____27. It is a plant or animal material used for energy production (electricity or
heat),or in various industrial processes a raw substance for a range of
products.
A. Tropical Level. B. Food Web. C. Biomass. D. Consumers
______28. What is the correct order of the levels of organization?
A. tissues- cell- organ system organism.
B. organism- cells- tissues- organ system
C. organism- cells- tissues- organ systems.
D. cell– tissues - organ systems- organism
______29. Populations have a variety of species. A. True. B. False
______30. It is defined as the number of different species present in an ecosystem and
relative abundance of each of those species.
A. Species Diversity. C. Functional Diversity
B. Ecological Diversity. D. Biodiversity
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