In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: Plants engage in less photosynthesis when there is less sunlight. Because of this, there is _____ produced. 
 Answer: less glucose
Example Output: As photosynthesis increases, the amount of stored glucose in the guard cells increases.

Example Input: Question: Tasha is studying birth rates in various countries. She looks at two countries. In South Africa, the food supply is currently higher than in Australia. Because of this, the birth rate in South Africa, compared to Australia, will be 
 Answer: higher
Example Output: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

Example Input: Question: An hour after Tessa took a long run she noticed her veins were _____. 
 Answer: smaller
Example Output:
Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.