Answer:
C. Construct a hypothesis and record data
Explanation:
Answer:
number B i think
Explanation:
The competitive exclusion principle tells us that two species can't have exactly the same niche in a habitat and stably coexist. That's because species with identical niches also have identical needs, which means they would compete for precisely the same resources
As soon as the white blood cells detect an unknown cell (the pathogen) they produce antibodies or they engulf them, i dont know if this will help but I hope this does :)
