Answer:
14°
Explanation:
in north and south poles it is cold and sunlight does not reach fully
All the organisms are running across a continuous evolution system and the organisms including the human beings do not fit into the classification system of the time. the classification system changes according to the changes in the organisms species and they have to be incorporated soon in new groups.
Explanation:
1)
building blocks of Carbohydrates are monosaccharides that are simple sugars
2)amino acids are the building units of proteins there are 20 amino acids found in human body that are building blocks of proteins
3)Nucleotides are the building blocks (monomers) of nucleic acids, DNA and RNA.
Answer:
The respiratory epithelium in trachea and bronchi is pseudostratified and primarily consists of three main cell types – cilia cells, goblet cells, and basal cells. The ciliated cells are located across the apical surface and facilitate the movement of mucus across the airway tract.
Answer:
Endoderm
Explanation:
The embryo has three germ layers. The ectoderm, mesoderm, and endoderm. The endoderm is the innermost layer. Other than the endocrine glands, the other tissues that develop from the endoderm are the gastrointestinal tract, urinary and auditory system, and the respiratory tract.