The Living World 8th Edition by George Johnson

تمرين 4

Most members of the Stramenopila have
A) zoospores.
B) large cilia.
C) small hairs on their flagella.
D) chrysolaminarin.
Kelp, which sometimes forms large, underwater forests, are actually protists called
A) diatoms.
B) brown algae.
C) dinoflagellates.
D) red algae.
Some diatoms can move using grooves called
A) pellicles.
B) raphes.
C) pseudopods.
D) tests.
The water molds either feed on dead organic matter or
A) generate their own food by photosynthesis.
B) participate in symbioses with cyanobacteria.
C) digest cellulose in the gut of termites.
D) parasitize different types of aquatic and terrestrial organisms.