Pioneer species are the first organisms to live in an uninhabited area.
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.
The nerve called the vestibulocochlear nerve carries<span> signals from the </span>ear<span> to the </span>brain<span>.</span>
Question 1. The best answer is C - antigen on the red blood.
The ABO blood classification is based on the red blood cells. In summary:
1. blood type A has antigen A on the red cell membrane.
2. blood type B has antigen B on the red cell membrane.
3. blood type AB has both antigen A and B on the cell membrane.
4. blood type O has no antigen at all on the red cell membrane.
Question 2. the best answer is b - transportation of oxygen.
Sickle cells have an abnormal type of hemoglobin that is unable to carry oxygen in the same capacity that normal, healthy hemoglobin does.
They all do
Birth Rate- Increase
Death Rate- Decrease
Immigration- Increase
Emigration- Decrease
Disease- Decrease
Competition- Decrease
Human Activity- Increase
Natural Disasters- Decrease
