You have _________ symmetry and are a(n) __________.
a. radial; vertebrate
b. radial; invertebrate
c. bilateral; vertebrate
d. bilateral; invertebrate
Answer: c. bilateral; vertebrate
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The first part of the renal tubule is called the _____ and is specialized for _____
A. proximal convoluted tubule; reabsorption of electrolytes and other nutrients. B. loop of Henle; creation of a concentration gradient in the interstitial fluid C. distal convoluted tubule; secretion of additional wastes into the urine D. distal convoluted tubule; reabsorption of water E. collecting duct; reabsorption of water
In response to stress, the adrenal medulla produces both epinephrine and
a. norepinephrine. b. corticotropin-releasing hormone. c. ACTH. d. ADH. e. follicle-stimulating hormone.
________ are heritable changes in a gene or chromosome
Fill in the blank(s) with correct word
In conifers and dicots, secondary growth that produces the outer covering of stems occurs in the...
A. epidermis B. vascular cambium C. cortex D. cork cambium