AP BIOLOGY

ECOLOGY

ECOLOGICAL SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which plant characteristics are common to pioneer species?
A
plants with roots that act as wedges to slowly break apart rocks
B
plants with long, thick roots that tap into deep water supplies
C
trees with exposed surface roots that trap soil and vegetation
D
plants with a broad mat of surface roots that quickly soaks up water
Explanation: 

Detailed explanation-1: -Since some uninhabited land may have thin, poor quality soils with few nutrients, pioneer species are often hardy plants with adaptations such as long roots, root nodes containing nitrogen-fixing bacteria, and leaves that employ transpiration.

Detailed explanation-2: -A pioneer is someone who sees potential, an innovator who is willing to try new things. A pioneer pushes boundaries to advance a cause or idea or break a record. These men and women have experienced success in their field, sometimes by overcoming great challenges.

Detailed explanation-3: -Common examples of pioneer species include bacteria, lichen, mosses, and fungi.

Detailed explanation-4: -Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life. The example includes bacteria, fungi, and lichens.

There is 1 question to complete.