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Question
What happens to cells that are engulfed during endosymbiosis?

Which type of algae branched off to become land plants?

Which type of reproduction is better for the survival of a species?

Why are producers important?

Why have protists been harder to study than other organisms?

Answer
You have the wrong idea about endosymbiosis. It does not involve engulfing cells. I refers to one organism living within another and acting as one. IT explains the presence of cell organelles
Mitochondria are the descendents of ancient bacteria

A green algae belonging to the Charophyta

Sexual reproduction

They make the food necessary for energy

They are small and very diverse  

Biology

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Walter Hintz

Expertise

Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.

Experience

I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.

Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association

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