Green and purple bacteria
A) contain chlorophyll a like plants.
B) give off oxygen as a product of photosynthesis.
C) live in salt water.
D) include species that use sulfur in photosynthesis.
Ans: D) include species that use sulfur in photosynthesis.
You might also like to view...
Species - as opposed to individuals or populations - are considered the ultimate evolutionary unit because (select all correct choices)
A. new mutations can potentially spread within a species, but not beyond it. B. species can become extinct. C. species give rise to other species. D. changes in gene frequencies over time can only be observed within species, not within populations. E. none of these
In the human menstrual cycle, a burst of which hormone stimulates ovulation?
1.estrogen
2.gonadotropin-releasing hormone
3.follicle-stimulating hormone
4.luteinizing hormone
Engelmann’s investigation to determine the effective
wavelengths of light in photosynthesis depended on a photosynthetic alga’s a. use of CO2. b. release of O2. c. use of H2O. d. use of ATP. e. production of carbohydrate.
The typical waking and sleeping cycles of most people can be described as:
a. crepuscular. b. nocturnal. c. diurnal. d. lunar. e. annual.