Some viruses have an envelope of
Options:
- (A) fats and proteins
- (B) allow growth
- (C) aerobic capacity
- (D) keeps the organism warm
- (E) wavelengths and photons
- (F) Chemical energy
- (G) looseness
- (H) To keep their body heat.
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Let's think first: Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.... So the answer is [(A)]

What is necessary for a growing child?
Options:
- (A) four limbs
- (B) stamina
- (C) hydration
- (D) food
- (E) pets
- (F) minerals
- (G) plastics
- (H) a measuring stick
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Let's think first: Minerals are chemical elements that are essential for body processes. Children's bodies are in a developing process. Minerals are necessary for children's growths.... So the answer is [(F)]

What process is needed to support a baby in the womb?
Options:
- (A) Perspiration
- (B) Energy
- (C) heating liquids
- (D) Respiration
- (E) organs
- (F) Validation
- (G) Energy.
- (H) Doctrination
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Let's think first: Oxygen is essential for cellular respiration for all aerobic organisms. Less oxygen for the mother means less oxygen for the baby. Mothers need respiration for their babies.... So the answer is [(D)]

In their quest for reproduction, salamanders are assisted by their what?
Options:
- (A) animals
- (B) kinetic energy
- (C) sense of irony
- (D) taste in clothing
- (E) fur and fat
- (F) sense of smell
- (G) chameleon
- (H) insects
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Let's think first: Most salamanders use their sense of smell to find a mate. Food to survive, mates to reproduce, and water to drink. To reproduce, salamanders are assisted by their sense of smell.... So the answer is [(F)]

A woman's reproductive years usually ends at what stage of life?
Options:
- (A) young adulthood
- (B) teen years
- (C) our star
- (D) It decreases
- (E) Plant growth is reduced
- (F) old age
- (G) our nearest star
- (H) middle adulthood
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Let's think first: Menopause occurs when menstruation stops occurring, usually in middle adulthood. Menopause The Changes of Menopause Menopause marks the close of a woman's reproductive years. A woman's reproductive years usually ends in middle adulthood.... So the answer is [(H)]

Dna can be fixed with repair mechanisms of
Options:
- (A) CO 2
- (B) cells
- (C) three
- (D) plants
- (E) SO2
- (F) fungi
- (G) alleles
- (H) Seesaw
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Let's think first: Cells have multiple repair mechanisms to fix mutations in DNA. Genetic Mutations Genetic mutations occur frequently. Cells have repair mechanisms to fix genetic problems in DNA.... So the answer is [(B)]