Match the following items with the correct phrases.
_______1. In the nitrogen cycle, bacteria called ____________________ convert atmospheric nitrogen gas into ammonia in the soil.
_______2. ____________________ live in the root nodules of legumes such as alfalfa and clover.
_______3. ____________________ are capable of converting the nitrogen within a dead plant or animal into ammonia in the soil.
_______4. In the nitrogen cycle, soil organisms called ____________________ convert ammonia into nitrites, and nitrites into nitrates.
_______5. In the nitrogen cycle, soil organisms called ____________________ convert the nitrogen in nitrates to nitrogen gas in the atmosphere.
a. cyanobacteria
b. denitrifying bacteria
c. nitrifying bacteria
d. nitrogen-fixing bacteria
e. saprophytes
1. d. nitrogen-fixing bacteria
2. d. nitrogen-fixing bacteria
3. e. saprophytes
4. c. nitrifying bacteria
5. b. denitrifying bacteria
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Where are the light-capturing pigments located in a chloroplast?
A. outer membrane B. inner membrane C. transitional membrane D. thylakoid membrane
Indicate whether the following statements are true or false. ____ All animals have a nervous system. ____ All animals sense and respond to the environment. ____ It is necessary to have a nervous system to sense and respond to the environment
What will be an ideal response?
Ciliates include the genus ____
a. Euglena b. Anopheles c. Trichomonas d. Paramecium e. Entamoeba
What would be an easy way to determine if a skull is a mammal's skull?
A. Look for the remains of the tympanum. B. Examine the teeth. C. Measure the brain case volume. D. Look for air sacs in the skull.