Global warming in ozone layer, co 3 level less in the atoms sphere.
Answer:
The characteristics of an organism are called traits
Explanation:
The characteristics of living organisms are all organisms are made up of cells and they grow. Living organisms reproduce and also consume energy. They also respond and adapt to their environment.
I believe the answer is the nucleus
Answer:
Protists
Explanation:
Animal like protists which we called protozoans are eukaryotic, unicellular, heterotrophic organisms without cell wall found in aquatic environment.