____ is growth in response to a mechanical stimulus, such as contact with a solid object
a. Heliotropism
b. Phototropism
c. Gravitropism
d. Thigmotropism
e. Geotropic bending
d
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Based on the endosymbiosis theory, which of the following used to be a free-living prokaryote?
a. mitochondria b. rough endoplasmic reticulum c. peroxisomes d. ribosomes
The autonomic subdivision of the vertebrate nervous system would innervate all but which of the
following? a. intestinal muscles b. skeletal muscles c. heart d. pancreas e. liver
Compared to mammals that are not adapted for diving, diving mammals _______
A. have larger lungs B. always keep blood flowing to their lungs during a dive C. can store more oxygen in their muscles D. use gills for gas exchange
Cyanobacteria
A) are photosynthetic archaea. B) are eukaryotes and the earliest type of algae. C) are chemoautotrophs. D) are the only prokaryotes with plantlike, oxygen-generating photosynthesis.