You propose an experiment where root hairs of a particular plant species are continuously treated with an antibiotic while nutrient levels in the plant tissue are monitored. Based on your knowledge of root hairs, you hypothesize the plant will experience a deficiency in what nutrient?
A. calcium
B. phosphorus
C. nitrogen
D. carbon
E. potassium
Answer: C
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Rhizobium
A. fix nitrogen inside nodules on the roots of legumes. B. resemble fungi. C. produce antibiotics. D. produce a gall in plants.
Shoots and roots consist of ____________________, ____________________, and ____________________ tissue
systems. What will be an ideal response?
In which situation would you find parent-offspring conflict?
A. A goat weaning her two kids off milk B. Fish mass spawning offspring upstream in a river C. A male lion becomes head of the pride and kills cubs sired by his predecessor D. Meerkats teaching their young to hunt
What kind of interaction occurs when two cardinals (birds of the same species) are trying to build a nest in the same tree?
a. intraspecific competition b. mutualism c. fundamental competition d. interspecific competition