Plants in the are adapted to very short growing seasons. The summers only last for about six weeks. So, plants in this biome flower as soon as the weather warms. Most are pollinated by insects.

A. Tundra
B. Temperate Rainforest
C. Deciduous Forest
D. Desert

Cis correct i think

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature