Tumors that are harmful, non-encapsulated growths of cells are known as
A. benign.
B. malignant.
C. metastasized.
D. carcinogenic.
B. malignant.
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Which of the following statements is false?
a. Neurons in the brain can interpret incoming action potentials only in certain ways. b. Optic nerve impulses can only be interpreted as light. c. Some sensory receptors do not convert a stimulus to nerve impulses. d. The stronger the stimulus, the more action potentials are generated. e. A strong stimulus activates many adjacent receptors, thereby increasing the number of action potentials and the level of awareness for the stimulus.
A collection of natural bodies of earth, composed of mineral and organic matter and capable of supporting plant growth, is referred to as ________
Fill in the blank(s) with correct word
The tympanum and stapes are used in tetrapods for ____
a. seeing b. hearing c. heat-sensing d. tasting e. smelling
What is the type of speciation that can occur in an
instant with a change in chromosome number? a. temporal b. mechanical c. behavioral d. ecological e. polyploidal