Answer:
Each year, earthworms move deep into soil during fall and winter and return toward spring and summer. The likely stimulis for this behavioral response are relative humidity & temperature. Since the nematode breathes via the skin, the mucus coating may become dry & the organism would die if exposed to extreme cold & dryness.
Explanation:
Its D I Just Took The Test
A change that occurs in muscles at the anaerobic threshold is that the body begins to convert to fermentation instead of the Krebs Cycle.
D. Mother cows have fierce maternal instincts.
