dfeldmanjr003 dfeldmanjr003
  • 10-05-2020
  • Biology
contestada

Jon is researching the oxygenation of Earth’s atmosphere. Which unicellular organism do biologists consider to be the main contributor to that process?

A. paramecia
B. amoebae
C. dinoflagellate
D. cyanobacteria

Answer is D. cyanobacteria

Respuesta :

janetlp02 janetlp02
  • 10-05-2020
Answer is D.... Cyanobacteria
Answer Link
7yc9davjpy
7yc9davjpy 7yc9davjpy
  • 25-01-2021

Answer:

D. cyanobacteria

Explanation:

Answer Link

Otras preguntas

Which of the following activities is most likely to improve muscular endurance? a. high jumping b. long distance running c. sprinting d. throwing a fast ball
many countries in Europe have a continental climate what is the best way to explain the effects of climate has on these countries
Is 0.2487 a interger
would a fly without wings be called a walk?
find the unit rate $6.80 for 9 muffins
The brain plays no role in addiction. a. TRUE b. FALSE
Which expression is equivalent to 1/3b+2/3b−5/6(b+1)?
11 to the 3rd power + 3 to the 2nd power?
The Vietnamese led independence movements against the Chinese. a. True b. False
Feedback mechanisms have evolved that maintain homeostasis. Describe how homeostasis is maintained through feedback. In your answer be sure to: 1. Identify one