Before many plants can inhabit a rocky area, soil must be present. a pioneer species must start the process of soil formation for succession to take place. which of the following would be a pioneer species in a rocky area? a: insect b: lichen c: weed d: fern

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.

Unlike mendel's pea plants,humans can have a variety of heights,not just tall or short.what does this mean for human height? a.height is controlled by one gene b.height is controlled by more than one c.height is not genetic d.height is solely determined by whether or not you eat your vegetables

State the difference between the cold-temperature sensor that has been recently discovered and the one that scientists already knew about.