Ecosystem and pond,
not sure though but good luck !
The answer to this question is A. Eukaryotic
Eukaryotic cells are distinguished by membrane-bounded organelles that contain genetic information and protected by nuclear protein.
In this place, DNA is combined together by proteins and placed accrodingly into the chromosomes.
The answer is A. An organism living at the bottom of the ocean is used to a high pressure so they cannot study them as the lower pressure kills the organisms as they reach the surface.
The answer is D. the way organisms grow and develop
