Arthropods has the bilateral symmetry !
so answer is B !
Drastic change in pH or temperature because the enzyme reaction may become denatured.
Answer:
E. just wait and see if you get high from them
Explanation:
If producers were removed from an ecosystem, it would fall apart. Producers are the organisms at the bottom of the food chain, which produce glucose and nutrients for consumers. If producers were removed from an ecosystem, the consumers would have no nutrients and die, causing their predators to die, and so on.

Correct answer is true .
Carl ritter was actually not a proponent of the theory of environmental determinism.
HOPE IT HELPS YOU.