Change to the landscape from construction. The answer is c because if there is construction, they are probably building something on top of what used to be that ecosystem.
Diatom Cells are enclosed in a cell wall made up of silica or hydrated silicon dioxide namely frustule. The frustule has small walls where nutrients enter, enabling it to perform photosynthesis the same way plants do.
Answer:
C
Explanation:
They does not carry oxygen to injured areas of tissue
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism.
Answer:
The trachea serves as a passage for air, moistens and warms it while it passes into the lungs, and protects the respiratory surface from an accumulation of foreign particles.