The answer is the Tertiary Consumer
A karyotype is the apperance of chromosomes in the cells' nuclei. so it's C
Answer:
C) Breaking down inorganic compounds
Producers are plants, they break inorganic compound such as carbon dioxide, water etc and get their food .some plants lack Chlorophyll hence they are not able to do Photosynthesis and can not make their own food. they are either depend on other green plants or use other mode of nutrition like parasitic .
The entire ecosystem.
It is important because any waste in a lake/water system can be harmful to the wild life. An example is trash like plastic bottles, cans, plastic bags, and oil.
Hope I helped you!
B. Ocetoclast is the answer.