Answer:
Hydra
Explanation:
The mode of nutrition being described in this question is EXTRACELLULAR DIGESTION, in which a food substance is chemically broken down externally. The organisms being portrayed is HYDRA. Hydra is an animal that secretes digestive enzymes that work on the food extracellularly (outside the organism), then absorb the digested food.
Therefore, the organism X observed by the scientist whose mode of nutrition is to secrete enzymes outside its body and digests food with these enzymes, then absorbs the digested food is the HYDRA.
Might be the second option, as active transport is the transport of proteins against the concentration gradient
To awnser your question, I would say C.
Answer:
A
Explanation:
it is always rising and falling in a cycle forever instead of one thing changing in the same way forever
Answer:
Sun
Explanation:
All energy comes from the sun.