The following classes or superclasses of fish are matched with an example. Select the mismatched pair.
A. Osteichthyes-bony fish
B. Placodermi-lobe-finned fish
C. Myxini-hagfish
D. Chondrichthyes-sharks
Answer: B
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One characteristic of life and living systems is that they are able to adapt. In general, cells interact with other cells and their environment through the action of their _____
A) plasma membrane and extracellular matrix B) microtubular tracks C) hormones D) intracellular electrical currents
The Hawaiian Islands have formed as the result of ________
a. hot spots forming b. faults forming c. oceanic ridges forming d. ocean trenches forming e. boundaries forming
Experiments with bacteria and __________ offered solid evidence that deoxyribonucleic acid (DNA),
not protein, is hereditary material. Fill in the blank(s) with the appropriate word(s).
Chloroplasts contain disklike membranous sacs arranged in stacks called
A) stroma. B) grana. C) thylakoids. D) vacuoles. E) cristae.