All the bacteria classified within the genus Bacillus are capable of forming endospores.
a. true
b. false
Ans: a. true
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Every type of mollusc has a radula
Indicate whether the statement is true or false
Which portion of the brain plays a role in regulation of consciousness and sleep states?
a. basal ganglia b. hippocampus c. thalamus d. pituitary
Insects breathe using ________
A) lungs B) tracheae C) their entire outer skin D) book lungs
Your biology professor takes the class on a field trip to a local lake. You spend an hour studying the lake and writing down all observations. You hypothesize that the lake is oligotrophic. Which observations would support this hypothesis? Check all that apply.
A. The lake has little planktonic growth. B. An oxygen probe reveals low oxygen content in the water. C. The lake has extensive aquatic plant beds. D. The shoreline is mostly rock and sand with very little vegetative matter. E. The bottom of the lake is easily visible.