1. What are some of the key traits that make algae a desirable energy source? infer which trait(s) are related to photosynthesis. 2. Why have some companies chosen to grow algae in bioreactors?

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.