In most food webs, chain lengths are
A. complex.
B. long.
C. short.
D. sixteen.
E. two.
C. short.
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One of the considerations scientists have when breeding for certain characteristics in cultivated crops such as rice or corn is to look for:
A. wild type genes B. plant adaptations to certain environmental conditions C. plants that generally grow where other plants cannot grow D. plants that are stressed E. plants that have good characters for leaf adaptations
The type of plant hormone primarily responsible for promoting the formation of lateral roots is/are ____
a. jasmonates b. gibberellins c. auxins d. systemin e. cytokinins
Structural class
What will be an ideal response?
Plants are susceptible to bacterial infections, which can damage their structure or even kill them. Which of the following would be the best antibiotic to treat a plant that is infected with bacteria?
A) a drug that interferes with mitochondria function B) a drug that disrupts cell wall structure and function C) a drug that destroys the central vacuole D) a drug that blocks gene expression in circular chromosomes