(Q).
You are presented with the question "Crustaceans breathe what through their gills?" and the following answer choices: - matter - water - saliva - gametes - semen - liquid - oxygen - air Now knowing that gills are used for breathing water by aquatic animals and crustaceans are predominantly aquatic, breathing by means of gills, choose the best answer.
(A).
water

(Q).
You are presented with the question "what do fish feed on?" and the following answer choices: - rocks - embryos - pizza - algae - energy - insects - gills - food Now knowing that phytoplankton are bacteria and algae that use sunlight to make food and since fish feed on phytoplankton, they are drawn to phytoplankton-rich waters, choose the best answer.
(A).
algae

(Q).
You are presented with the question "What can occur when menstruation stops?" and the following answer choices: - hospitalization - Dehydration - Localized damage - sweating - Vaginal dryness - turn to a doctor - cigarettes - Leptospirosis Now knowing that menopause occurs when menstruation stops occurring, usually in middle adulthood and another menopause discomfort is vaginal dryness, choose the best answer.
(A).
Vaginal dryness