(Q).
Fertilization occurs when a sperm and an egg fuse to form a diploid zygote, and sperm and eggs are cells known as gametes. Given these facts, what occurs when gametes fuse to form a diploid zygote among the following options: - permineralization - rapid expansion - competition - fertilization - photosynthesis - chromosomes - mutation - Leptospirosis
(A).
fertilization

(Q).
Aswitch is used to start the flow of current in an electrical circuit, and each switch is moved up for on, and down for off. Given these facts, the flow of current in what is moved up and down among the following options: - an electrical storm - Veins and arteries. - mouth of rivers - a short circuit - an electrical circuit - circulatory systems - bad wiring - a hydraulic system
(A).
an electrical circuit

(Q).
Most arthropods are insects, and some examples of invertebrates are arthropods. Given these facts, what are some invertebrates among the following options: - catfish - parasites - dogs - barnacles - animals - humans - insects - food
(A).
insects