Which of the following pairs is mismatched?
A) dissimilatory sulfate-reducing bacteria — produce H2S
B) archaea — extremophiles
C) chemoautotrophic bacteria — fix atmospheric nitrogen
D) actinomycetes — reproduce by fragmentation
E) Cytophaga — a gliding, nonfruiting bacterium
C
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True or False: Both vertebrates and echinodermata (sea urchins and sea stars) are deuterostomes
A. true B. false
The embryo is within the structure indicated by
a. A. b. B. c. C. d. D. e. E.
What is the term used to describe the smallest possible mutation in a DNA strand, which involves only one base?
What will be an ideal response?
What makes up most of the mass of an individual mushroom?
a. underground ascocarp b. underground mycelium c. above ground ascocarp d. above ground mycelium e. underground fruiting body