(Q).
Specialization occurs when competing species evolve different adaptations, and for each species, mammal or bird, there are very specialized diets. Given these facts, what is an adaptation among the following options: - diet - gametes - the Sun - sleep - rest - toads - gills - alleles
(A).
diet

(Q).
Arteries generally carry oxygen-rich blood, and arteries and veins are blood vessels. Given these facts, what do blood vessels carry among the following options: - nitrogen - glucose - SO2 - water - Joules - oxygen - fluid - liquid
(A).
oxygen

(Q).
Lack of moisture in the air causes low amounts of rainfall, and rainfall is just one form of precipitation. Given these facts, what causes low amounts of precipitation among the following options: - Plant growth is reduced - a hemisphere is tilted away from the sun - more condensation - extra moisture in the air - excess water supply - fissures of hot, acidic water - lack of moisture in the air - a tree falling
(A).
lack of moisture in the air