Identify and briefly discuss two ecological roles filled by bacteria. What will be an ideal response?
Some prokaryotes are decomposers that produce nitrogen in forms usable by other
organisms.
Cyanobacteria produce the oxygen necessary for aerobic respiration
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A thin, crescent-shaped organism with a single flagellum originating from a basal body and which folds back laterally across the cell would most likely be a member of the genus
A) Trypanosoma. B) Glossina. C) Entamoeba. D) Gambiense.
In all multi-celled fungi, reproduction begins
with
a. fusion of male and female gametes. b. budding from diploid fruiting structures. c. hyphal fragmentation. d. fusion of gametophytes. e. fusion of haploid hyphae
Sporophylls can be found in which of the following?
A) mosses B) liverworts C) hornworts D) pterophytes E) charophytes
The behavior of parental care exhibited by dinosaurs is thought to be similar to this behavior in crocodiles and birds because phylogeny shows that these three groups share a ________.
Fill in the blank(s) with the appropriate word(s).