Which is the best example of competition in a forest ecosystem?

A colony of bees builds and protects a hive together.
Ticks live and feed on deer.
Wolves hunt and eat rabbits.
Blue jays and finches nest in the same oak trees.

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

Historical vs today's presidents (compare)

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate