How do members of kingdom animalia differ from members of kingdom fungi? fungi are autotrophic and animals are heterotrophic. animals are relatively large and fungi are relatively small. animals exhibit internal digestion and fungi exhibit external digestion. fungi exhibit only chemical digestion and animals exhibit only mechanical digestion.

only true sentence in the options below is

Animals exhibit internal digestion and fungi exhibit external digestion.

Explanation:

animals ingest food and digest them inside the body so called as internal digestion while fungi do not ingest food, they release their enzymes in to the their food and digest externally.

Fungi digests externally and animals internally  

Explanation:

The two families of fungi and animal has several differences between them.  It shares a different digestive method from animals. Animals ingest materials of food and gets it digested internally and let it absorb by their body.

Whereas, fungis do not digest internally, they rather digest food externally by secreting enzymes of digestion. Later, the molecules of food produced from digesting externally, fungis absorb them in their body.  

a. decomposes use carbon from dead organisms as fuel for cellular respiration, returning carbon dioxide back into the atmosphere.