What allows diatoms to expand in size during reproduction?
a. Frustule
b. Flagellate
c. Pennate
d. Auxospore
ANS: D
An auxospore is a naked diatom cell without valves. In favorable growth conditions, the auxospore
expands to the diatom's original size. It can become dormant when conditions are unfavorable for
growth. Information can be found in the section Most Phytoplankton are Photosynthetic Autotrophs
You might also like to view...
Squall lines most often form ahead of a(n) ____ front
A) cold B) warm C) stationary D) occluded
Which of the following is true for the self-sufficiency path to development?
A) The government reduces taxes and tariffs and increases import quotas. B) There is an attempt to focus on a few disruptive technologies. C) Unprofitable private companies can be nursed to success because of isolation from competition from large international companies. D) Rapid economic growth is expected. E) Globally competitive products will be produced.
Molecular transport that acts upon momentum is called ________.
A. convective B. viscous C. diffusive D. conductive
What coastal erosion stabilizers are visible in this image?
A) Headlands B) Jetties C) Breakwaters D) Groins