Energy flow in ecosystem is ____________.
A. Unidirectional
B. Bidirectional
C. Multidirectional
D. None of the above
Author: Aroma Ann
Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be ____________.
A. About the same as predicted but will occur earlier in the night
B. Higher than predicted due to the release of latent heat
C. Much lower than predicted due to radiational cooling
D. Higher than predicted due to mixing
An association between two individuals or populations where both are benefitted and where neither can survive without the other is ____________.
A. competition
B. commensalism
C. mutualism
D. protocoperation
The carrying capacity of a population is determined by its ____________.
A. population growth rate
B. natality
C. mortality
D. limiting resources
Salmonellosis is a disease related to consumption of ____________.
A. Chicken
B. Eggs
C. Mutton
D. Fish
In July, at middle latitudes in the Northern Hemisphere, the day is ____________ long and is ____________ with each passing day.
A. Less than 12 hours; getting longer
B. Less than 12 hours; getting shorter
C. More than 12 hours; getting longer
D. More than 12 hours; getting shorter
The order of succession in a lithosere or xerosere is ____________.
A. Foliose lichen stage->Crustose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
B. Crustose lichen stage->Foilose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
C. Moss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community)
D. Crustose lichen stage->Foilose lichen stage->moss stage-> ->shrub stage-> herb stage->forest stage (climax community)
What do you call the rain that contains chemical waste and cause damage to plants and animals?
A. Smog
B. Acid rain
C. Monsoon rain
D. Seasonal rain
The effect of interspecific competition on niches is to make them ____________.
A. larger
B. smaller
C. more triangular
D. change location
Diversity of organisms include three Domains such as ____________.
A. bacteria, archae, eukarya
B. binomial system of classification
C. monera, protista, fungi, plantae, animalia
D. membrane bound organelles, no peptidoglycan in cell walls, introns
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