Yes, you're correct, it's the first one. He should do research before he does an experiment, because someone else may already know.
ALL PROTISTS ARE UNICELLULAR AND MICROSCOPIC IN NATURE, is the correct answer.
Protists are diverse collection of organisms which are primarily microscopic and unicellular in nature. Protists are scientifically categorized as eukaryotes and one definition of protists states that prosists are all eukaryotes organisms that are not animal, plant or fungi.
B: during the early stages of meiosis, chromosomes in a homologous pair exchange segments, the process is called Crossing over.
It has a semi-arid oceanic climate.
Hope it helped!
