Which of the following is a colonial organism closely related to the evolutionary precursors of present-day plants?
a. Euglena
b. Dictyostelium discoideum
c. Volvox
d. Arabidopsis thaliana
Ans: d. Arabidopsis thaliana
Biology & Microbiology
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In most eumetazoans, the innermost tissue layer during development is the ____
a. mesoderm b. epiderm c. mesoglea d. endoderm e. ectoderm
Biology & Microbiology
The control in an experiment
a. makes the experiment valid. b. is an additional replicate for statistical purposes. c. reduces the experimental errors. d. minimizes experimental inaccuracy. e. allows for comparison to the experimental group.
Biology & Microbiology
The cells that carry signals to muscles and glands are the
a. sensory neurons. b. neuroglia. c. dendrites only. d. motor neurons. e. axons only.
Biology & Microbiology
After leaving the optic chiasma, a visual impulse would next travel to the ________
Fill in the blank(s) with correct word
Biology & Microbiology