Answer:
A taiga biome is different from a tundra biome because it has trees.
Explanation:
The taiga has a thick forest of conifers such as pine and spruce, while in the tundra trees are absent completely.
(4) organisms in a changing environment must adapt to acquire necessary traits and survive
Cinnamon apple. that's my personal fave.
The answer you are looking for is chitin.
According to a page that I found with info on the subject,
"All arthropods have bodies divided into segments and covered with a hard EXOSKELETON. This tough casing is made of a protein called chitin, which is also found in human fingernails."
https://www.factmonster.com/dk/encyclopedia/nature/arthropods
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