Answer:
I'd say an exoskeleton.
Explanation:
My main reason for saying this is because bugs with exoskeletons survive much better than bugs with endoskeletons or (surprise surprise) no skeletons. If your skeleton is outside your body, it protects everything inside you. Endoskeletons merely help hold you together.
Answer:
Nitrogen is present in the atmosphere in a molecule form about 78 percent. This nitrogen comes to the earth with the water through rainfall. Some nitrogen fix by beneficial microorganisms such as Cyanobacteria and Azotobactor which are present in the roots of higher plants. These microorganisms convert nitrogen molecule into nitrates and used by the plants. There are some other microorganisms which again convert nitrate into nitrogen molecules, called denitrifying bacteria and nitrogen molecule goes to the atmosphere again and complete the cycle.
Answer:
aquatic and terrestrial habitat.
example of an animal in aquatic is fish and an example of a terrestrial animal is human
A protist has a nucleus inside of it to make it a Eukaryote, if it had no nucleus it would be consider a Prokaryote
38 ATP is produced during cellular respiration