Question 5 (0.2 points) In the last 250 years, the amount of carbon in the air has increased by
percent
10%
40%
29%
stayed the same

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots

What is the function of the nucleus in the euglena cells you observed?