Zooplankton are always ________.
A. animals
B. heterotrophs
C. multicellular
D. All of these are correct.
E. None of these is correct.
Answer: B
Environmental & Atmospheric Sciences
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Current worldwide food production is less than in previous decades.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Forest fires are not a major threat to forest ecosystems as part of a natural cycle.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Soil structure can be defined as which of the following?
A) blocky B) platy C) crumb or granular D) prismatic E) Crumb or granular, platy, blocky, or prismatic are all type of soil structure.
Environmental & Atmospheric Sciences
Until about 10,000 years ago, our species depended on ________
A) hunting and herding B) cattle and goats C) hunting and gathering D) crops and cattle E) crops
Environmental & Atmospheric Sciences