Vibrissae, more commonly known as whiskers, are sensory hair
that generally have a tactile sense, which is equivalent to skin. They grow on
most mammals except monotremes (duck-billed platypus and echidnas) and humans,
though humans still have remnants of the muscles once associated with vibrissae
in their upper lips. Vibrissae serve a number of purposes: such as sense of
touch; detection of danger, air and water currents, and movements of other
animals; and the locating of food.
Answer: Correct options are A, C and D
A. a forest because it has more trees to provide plant litter
C. a forest because it has more animals to mix the soil
D. a forest because the trees prevent rain from reaching the soil
Explanation:
Humus simply refers to organic matter, and the quantity of organic matter in a habitat depends on the extent of life activities done there.
Deserts, unlike forests have minimal life activities (as few plants and animals thrive in it). Thus, forests have more humus than deserts.
<span>New combinations of genes may be produced by </span>immigration, mutation and sexual reproduction. These new combinations are also called variations.
The answer is c) a number and a unit
Answer:
Total of 
kilo-calories are consumed.
Explanation:
In order to determine the total calories present in any food item, the calories contribution of each of its constituents must be know.
Here,
Calories in one gram of carbohydrate 
kilocalories
Calories in one gram of protein kilocalories
Calories in one gram of fat 
kilocalories
As per the details provided on Coca-Cola website, calories in 16-ounce cola 
calories 
kilocalories
Thus, total calorie in an entire bag of potato chips and 16-ounce cola
Total of kilo-calories are consumed.
