Answer:
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.
Answer:
Red blood cells and the heart causes response to stimuli
Answer:The amount of each element that begins photosynthesis equals the amount of each element that is produced
Explanation:
I truly believe the answer is choice A.
Answer:
Culture help shaped the medical and lifestyle of a people living in the community. It also helped create machinery to lessen the work load of people. Science helps create changes and improves the life of the people living in the community. Science was able to help lower the death rate in nomadic times, they created medicine, introduce agriculture and more.
Explanation: