Answer:The excretory system balances the salts and water obtained from
digested food
Explanation:
Answer:
The correct option is<em> b. at each step, energy is lost from the system</em>
Explanation:
The amount of energy that travels from one trophic level to another is known to declines at each level. Infact, only 10% of the energy travels from one trophic level to another.
This is because most of the energy is lost by the organisms at each trophic level. It is due to the metabolic processes which occur in the organisms of each trophic level and most of the energy is lost as heat.
Answer:
Rain, sleet or snow
Explanation:
Acid rain results when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents. The SO2 and NOX react with water, oxygen and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground.
Answer:
The statement is false.
Explanation:
Adipose tissue is a connective tissue specialized in lipid storage. Its ability to store lipids depends on its cells, adipocytes, which can contain large drops of fat in your cytoplasm. The fat in the cells is in a semi-liquid state and is mainly composed of triglycerides. All our organs and tissues contain different levels of water, adipose tissue has approximately 10% of water. The brain and muscles are approximately 75% water, the blood and kidneys consist of 81% water.
Answer:
Grasslands and savannas are related and often intermixed biomes typically dominated by grasses. True grassland supports few if any woody plants, while savannas include varying proportions of shrubs and trees, grading into woodland where canopies begin mingling.
Explanation:
