When gametes fuse, the resultant zygote is:
Options:
- (A) fertile
- (B) diploid
- (C) Flowers
- (D) grow
- (E) infected
- (F) It expands
- (G) pollen
- (H) seeds
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Let's think first: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Familiar types of gamete include the female ovum , or egg cell, and the male sperm cell. Fertilization occurs when the male and female gametes fuse to form a diploid zygote.... So the answer is [(B)]


What will die without a supply of blood?
Options:
- (A) plants
- (B) organs
- (C) brain cells
- (D) athletes
- (E) humans
- (F) species
- (G) critical organs
- (H) mushrooms
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Let's think first: Brain cells die quickly if their oxygen supply is cut off. Here, the lungs supply the blood with oxygen. Brain cells die quickly if their blood supply is cut off.... So the answer is [(C)]


Marine animals find these to be a great source of food:
Options:
- (A) grain
- (B) nutrient
- (C) sponges
- (D) Energy.
- (E) sea vents
- (F) sodium
- (G) Energy
- (H) fungi
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Let's think first: Sponges are a source of food for many species of fish. Fish and other marine animals abound here. Sponges are a source of food for many marine animals.... So the answer is [(C)]