1which of the following is a biological environment factor?

symbiosis

competition

predation

all of the above

2competitive exclusion occurs between two species when is so intense that one species causes the second species to move from an area.

competition

symbiosis

predation

none of the above

Here is the answer... not sure but I think it's right

1) ALL OF THE ABOVE
all of the above are biological environmental factors.

2) COMPETITION
Competitive exclusion occurs between two species when competition is so intense that one species causes the second species to move from an area.

Hope this helps... mark as Brainliest plz