Following a forest fire in Yosemite National Park, trees start to re-grow throughout the area. What kind of succession occurred here? How do you know?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Tides that occur during the new and full moons