Under the influence of hormones, branch roots emerge from the ________ of a growing root
A) epidermis
B) Casparian strip
C) endodermis
D) pericycle
E) central cylinder
D
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____ allow oxygen to diffuse through the outer bark of woody plants to supply the respiratory needs of the underlying cells
Fill in the blank with the appropriate word.
Passing on traits or characteristics that were acquired during the lifetime of an organism to its
offspring is a concept that is attributed to: a. Alfred Wallace. b. Charles Darwin. c. Charles Lyell. d. Jean Baptiste de Lamarck. e. Thomas Malthus
Which one of the following populations of cells is most markedly increased during bacterial infections?
A) neutrophils B) red blood cells C) platelets D) lymphocytes E) monocytes
________ are found in soft-bodied invertebrates, such as earthworms and jellyfish.
A. Exoskeletons B. Endoskeletons C. Hydraulic skeletons D. None of these is correct.