Answer:
lichen
Explanation:
Common examples of pioneer species include bacteria, lichen, mosses, and fungi.
Answer:
D
the skeletal system provides protection for the brain and spinal cord
Answer:
In 2011 an estimated 1.65% of the US workforce was employed/working in the Agriculture-related sector of the economy
Explanation:
Agriculture has been a major source of jobs for most countries especially with developing/underdeveloped countries ranking in the highest percentage of their country's population working in this sector, while developed countries like the US have smaller percentage of the population working agriculture-related jobs. as of 2011 chad had an estimated 86.67% of their population involved with Agriculture-related jobs
Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
