It lacks ribosomes is the answer
Mendeleev called the rows periods.
Answer:
Penguins in general are distributed close to each other to be able to withstand the extreme cold, characteristic of the ecosystems they inhabit. They also group together to incubate their eggs.
They perform a series of coordinated movements that help them fight low temperatures, being careful to drop the egg.
Answer: 51 Percent
Explanation: bc plato said so
Ecological succession may occur for many different reasons. A lot of times though, it is because the conditions of an environment may drastically change.