Plants obtain the carbon used in the manufacture of organic compounds from
A. fossil fuels.
B. carbon dioxide in the soil.
C. carbon dioxide in the atmosphere.
D. organic compounds in the soil.
Answer: C
You might also like to view...
Which tissue is composed of spindle-shaped contractile cells that are commonly found in the walls of tubular organs such as blood vessels?
a. squamous epithelium b. smooth muscle c. skeletal muscle d. cardiac muscle e. adipose tissue
In terms of global air circulation, the tropics are a region where air
A) descends and warms, dropping rain. B) descends and warms, creating an arid belt. C) rises and warms, creating an arid belt. D) rises and cools, creating an arid belt. E) rises and cools, dropping rain.
A researcher only needs to select a cohort group when implementing an analytical epidemiological study
Indicate whether the statement is true or false
Some bacteria, such as Desulfovibrio, are able to reduce sulfates to hydrogen sulfide as the final step in the electron transport chain.
Answer the following statement true (T) or false (F)