Answer:
B
Explanation:
Hence When we eat food it closes but when we talk While eating the epiglottis would remain open and the food may enter windpipe which may trigger violent coughing to clear the food material out of trachea or may get serious by Chocking and may be fatal. That is why it is not advised to talk while eating
Answer: food chains or webs
In an ecosystem, energy from the sun is transferred by the way of food chains or webs. A food chain is a linear sequence of organisms through which food and energy is passed as one organism eats the another. A food web is the interconnection or relation of food chains. In a food chain energy is distributed among the trophic levels. Plants are primary producers which traps energy from sun for photosynthesis and belong to first trophic level in the food chain. The energy of sun present in plants is transferred to subsequent higher trophic levels when plants are consumed by other organisms.
Answer:
C. The upper part of the water column represents areas of high sunlight penetration.
Explanation:
I just took the test and checked my answers.
Movement because plants don't move and animals aren't miving constantly
no hydrophobic and hydrophilic refer to phospholipids in the cells membrane. A nonpolar molecule is a molecule which has no separation of charge, so no positive or negative poles are formed. In other words, the electrical charges of nonpolar molecules are evenly distributed across the molecule.
