At times this photosynthetic organism can switch to being heterotrophic. describe a condition that would favor this organism being heterotrophic. explain your answer. pls . i’ll give 25

Euglena is a unicellular organism and is placed into the Kingdom Protista. All Euglena have chloroplasts and can make their food by photosynthesis. But Euglena is not completely autotrophic as it can absorb food from their surroundings. Hence, the Euglena is unique in that it is both autotrophic can make its own food and heterotrophic, takes food from outside. The eye spot in Euglena finds bright areas to gather sunlight to make their food. Euglena becomes heterotrophic and take nutrients by absorbing them across their cell membrane, when light is not available, and they cannot photosynthesize.

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.