21). Scientists monitor seasonal changes in angiosperms by examining

2). Are ecosystems affected by climate changes?

15). Match the correct term to the following definition: the movement of carbon atoms between organic and inorganic molecules in the environment

24). The vegetation in a biome is largely influenced by

32). Which human activities contribute to elevated carbon dioxide levels in the atmosphere?

33). What is(are) impacts of rising global temperatures on plants?

9). Ecosystems only include biotic systems.

19). Global warming results from a decrease in the amount of carbon dioxide and other greenhouse gases in the atmosphere.

13). Match the correct term to the following definition: is the natural process by which heat is radiated from Earth’s surface and trapped by gases in the atmosphere, helping to maintain Earth at a temperature that can support life

36). Which greenhouse gas is most directly impacted by raising cattle and cultivating rice?