Describe the changes that take place during the menstrual cycle from Day 1-14 to the following:
a. Unfertilized egg in ovary
b. Uterus lining

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5