Because the plant is unaffected as the worms benefit
Well maybe that species evolved over time to get faster and be more durable because of the need to run away from lions and other prey.
b. trees provide everything in a rain forest ecosystem.
Endocrine glands secrete hornmones whereas
exocrine glands secrete enzymes....
here, Pituitary gland secrete stimulating and growth hormone and thyroid gland secrete thyroxine hormone whereas salivary gland produce enzyme called saliva
So,pituitary gland and thyroid gland are endocrine and salivary glands are exocrine...
HOPE THIS HELPS YOU!!!!!