Members of this subphylum are now all extinct, but they were extremely numerous in shallow
Paleozoic seas. Most of them were dorsoventrally flattened and heavily armored, with two deep
longitudinal grooves that gave their body a three-lobed appearance.
a. Myriapoda
b. Trilobita
c. Chelicerata
d. Hexapoda
e. Crustacea
B
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Agents that are static and, therefore, do not kill infecting microorganisms are not useful as chemotherapeutic agents.
Answer the following statement true (T) or false (F)
A bell curve indicates _____ in a trait
Fill in the blank(s) with correct word
The largest cells in the vascular bundles are
a. sieve tubes. b. sclereids. c. vessel members. d. companion cells. e. parenchyma.
Mature bone cells in lacunae that no longer divide. Maintain bone matrix and act as stress or strain sensors. Respond to mechanical stimuli such as increased force on bone or weightlessness. Communicate information to osteoblasts and osteoclasts (cells that destroy bone) so bone remodeling can occur.
What will be an ideal response?