Q: Where do archea live? Choices: - in mammals - in the ocean - underground - everywhere A:
everywhere

Q: What is the growing root tip protected by? Choices: - root flap - tip cap - root hinge - root cap A:
root cap

Q: Q: On what type of land does runoff cause more erosion? Choices: - grassy - metallic - mountainous - bare A:
A: bare

Question: Q: What is the term for an underground layer of rock that is saturated with groundwater? Choices: - delta - river - bason - aquifer A:
Answer: aquifer

*Question*
Q: What tissue blocks entry of pathogens in mammals? Choices: - dendritic - esophageal - pathological - epithelial A:
**Answer**
epithelial

(Question)
Q: What is the term for a symbiotic relationship in which one species benefits while the other species is not affected? Choices: - parasitism - mutualism - pollenation - commensalism A:
(Answer)
commensalism