When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them.
The lining of the uterus is shed because an ovum has not been fertilized
The female genitals are overies
Answer:
C
Explanation:
Membranes will allow and inhibit certain ions/molecules. I don't believe it can distinguish whether the molecules are harmful or beneficial!
Answer:
laser microscope
Explanation:
because you want to show the finger print
