it is not dependent upon any certain gas, but it needs oxygen... i think ... ?
The volume of a gas is dependent on the pressure and temperature of the gas.
This is a euglena, a type of protist. I have never heard of a euglena oval but under a microscope, euglena have an oval shape within them.
Euglena are not bacteria.
euglena does indeed have chrlorplasts.
Euglena gracilis
They are in genus Euglena.
Euglena is a genus. So Euglena has (or includes) species. Remember the order? Domain, Kingdom, ...... genus, species.
The volume of a gas is dependent on pressure and temperature.
Euglena is an algae.Chloroplasts are present in them.
euglena
Euglena reproudces asexually not sexually
the euglena is a producer mostly because its green.