Some organisms, such as plants, algae, and cyanobacteria, produced their own food by absorbing the sun's radiation. These organisms are referred to as ________
A) autotrophs or producers
B) parasites or heterotrophs
C) heterotrophs or producers
D) heterotrophs or consumers
E) mutualists or consumers
A
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Describe an example, in which you can use the spatial relationship of Intersect for feature selection.
What will be an ideal response?
After gravity, the major cause of mass wasting is:
a. slope angle. b. weakening by weathering. c. overloading. d. vegetation loss. e. increased water content
An urban growth boundary (UGB) is intended to ________
A) maintain low housing costs for the average homeowner B) help an area retain its distinctive character C) ensure that businesses do not locate in residential areas D) enforce certain restrictions within neighborhoods E) provide guidelines for city development to separate areas desired to be urban from areas desired to be rural
Which of the following health problems is most closely associated with the thinning of Earth's ozone layer?
A) Skin cancer B) Blindness C) Heart disease D) Skin irritations