<span>a column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus.</span>
Answer:
Photosynthesis, which is carried out by algae and terrestrial green plants, removes carbon from the atmosphere (sink for carbon stored in atmospheric reservior) and places it in the land biota (source for carbon stored in the land biota).
Explanation:
461 mg = 0.461 g
because 1 mg = 0.001 g
Answer:
Algae, Plants, some bacteria and some protists.
Explanation:
Organisms which make their own food through the process of photosynthesis are called autotrophs. Members of the kingdom Monera as unicellular, prokaryotes. Examples are eubacteria and archaea. Some bacteria have the capability to make their own food through photosynthesis. Some members of the kingdom Protista such as various types of algae, diatoms, dinoflagellates are autotrophs. All the green plants have chlorophyll which make their own food through photosynthesis are autotrophs.
The respiratory system of the birds