Q: On insects, what are the openings on the sides of the abdomen that allows respiration to occur? Choices: - gills - wings - chloroplasts - spiracles A:
spiracles

(Question)
Q: Many protists form what kind of beneficial association with other species? Choices: - Facultative - evolved - Opportunistic - symbiotic A:
(Answer)
symbiotic

Ques: Q: Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike? Choices: - drought - mass extinction - avalanche - fire A:
Ans: fire

(Q).
Q: What is a substance that can not be broken down any further into other substances? Choices: - pure molecule - pure material - unbreakable substance - pure substance A:
(A).
pure substance

Ques:Q: The name of a spinal cord region corresponds to the level at which spinal nerves pass through the what? Choices: - lumbar foramina - notochord - synovial fluid - intervertebral foramina A:

Ans:intervertebral foramina

Q: What makes water change to a different state? Choices: - pressure - time - gravity - temperature A:
temperature