An object in equilibrium has three forces exerted on it. A 33. 0-n force acts at 90. 0° from the x-axis, and a 44. 0-n force acts at 60. 0° from the x-axis. Both angles are measured counterclockwise from the positive x-axis. What are the magnitude and the direction of the third force?.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.