An annulus is the ring-like structure found on the stipe of some species or mushrooms. This represents the remaining part of the partial veil, after it has been ruptured to expose the gills or other pore producing surface. As its function is to disperse the spores.
I think the best answer would be
<span>Test the variation in the amount of amylase produced by each individual before and after being presented with a bowl of pasta.</span>
Genetic engineering is applied to techniques like DNA cloning in which the steps are: step 1: DNA cutting from the parent source; step 2: DNA cut is pasted into the matrix to be modified; step 3: matrix is introduced to the host cell and step 4, vector DNA is isolated. Answer then is B.
Answer:
Insects use sound to communicate with other insects, to navigate, and to hear the sounds of a predator approaching.
Explanation:
The answer should be
1. C
2.D