Answer:
New research shows that by reducing populations and thinning out weak and sick animals, wolves are helping create more resilient elk herds. For the past 12 years, elk numbers in the park's largest herd have leveled off between about 6,000 and 8,000, instead of extreme boom-and-bust cycles due to climate fluctuations.
Answer:
A
Explanation:
Prairies are unique ecosystems dominated by grasses and other non-woody plants called forbes. ... A prairie ecosystem includes all the living components-- plants and animals--and all the nonliving components-- sun, water, fire, soil, and--nutrients.
Answer:
B
Explanation:
Blood pressure is the force of the blood pushing against the artery walls.
The word is scapegoat in the blank is scapegoat.
Nitrogen fixation is a process that changes nitrogen within plants and soil into"nitrogen compounds"
