Correct answer: "both a and b" - <span>chimpanzees and gorillas
There are studies that date from around the 1970's where </span>chimpanzees and gorillas were taught American Sign Language. They were able to learn several hand signs and, in one of the cases, even teach some to an adopted son. Some of these famous chimpanzees and gorillas are Washoe and her adopted son, Loulis, Nim Chimpsky, and Koko, the gorilla.
An abiotic factor affecting an ecosystem.
The control of a pest by the introduction of a natural enemy or predator.
Hopefully this helped and that it's correct ;)
Answer:repeat or copy out (a group of words from a text or speech), typically with an indication that one is not the original author or speaker.
Explanation: An example of a quotation is when you take a passage from Shakespeare and repeat it as written without changing any of the words. The prices or bids cited.
