Leon listed the steps involved when auxin affects plant growth in response to light. The steps are listed in random order. 1 - Auxin builds up in the stem.
2 - The stem bends toward light.
3 - Auxin moves to the shaded side of plant.
4 - Cells on the shaded side grow more quickly.

Which shows the correct order of steps involved when auxin affects plant growth?

1, 4, 2, 3
4, 3, 2, 1
3, 1, 4, 2
2, 3, 1, 4

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?