Shell helps to protect their internal body parts. So, the correct option is (A).
Invertebrates are defined as the paraphyletic group of animals that neither possess nor develop a vertebral column which is derived from the notochord which includes all animals other than the chordate subphylum Vertebrata.
Invertebrates may have incomplete or complete digestive systems which differ in the way they move and the complexity of their nervous systems. Many invertebrates reproduce sexually.
Clade and Oysters belong to the kingdom Animalia and Phylum Mollusca which have shells on the body to protect their internal body parts.
Thus, Shell helps to protect their internal body parts. So, the correct option is (A).
Learn more about Invertebrates, here:
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Answer:
the answer is A- shell
Explanation:
B. Wood can rot.
C. Wood does not rust.
D. Wood is softer than coal.
B.) New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.
C.) New compounds with higher-energy bonds must be formed when the low-energy bonds in food molecules are broken.
D.) The new compounds that are formed must be more complex than the food molecules that were broken down.
The answer is b , i took the test.
b.blog
c.goverment website
d.newspaper editorial