Thyroxine increases the rate of metabolism in cells throughout the what?
Options:
- (A) Summer
- (B) body
- (C) state
- (D) skin
- (E) H 2 O
- (F) HIV
- (G) life
- (H) humans
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Let's think first: Thyroid hormones increase the rate of metabolism in cells throughout the body. Thyroxine, a thyroid hormone, is an aryl iodide. Thyroxine increases the rate of metabolism in cells throughout the body.... So the answer is [(B)]

What can a certain protein affect in meat?
Options:
- (A) health
- (B) piousness
- (C) stamina
- (D) retina
- (E) toughness
- (F) liveliness
- (G) saltiness
- (H) Energy
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Let's think first: Cartilage is a tough tissue that contains a protein called collagen. Collagen contributes to meat toughness. A protein contributes to meat toughness.... So the answer is [(E)]

Escaping poor weather and food supply changes what?
Options:
- (A) population age
- (B) the environment
- (C) population education
- (D) general preferences
- (E) important habitats
- (F) population size
- (G) movement
- (H) an organism's body
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Let's think first: Migration is a type of movement that changes population size. Birds migrate to escape poor weather and food supply. Escaping poor weather and food supply changes population size.... So the answer is [(F)]

What can some insects use their feelers to detect?
Options:
- (A) kale
- (B) noise
- (C) water vapor
- (D) tremors
- (E) waves
- (F) vibrate
- (G) air
- (H) sound
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Let's think first: Some insects can use their antennae to detect sound. An insect's head has two feelers, or antennae. Some insects can use their feelers to detect sound.... So the answer is [(H)]

What does population size influence on a species?
Options:
- (A) Quality of life
- (B) their migration pattern
- (C) their home
- (D) characteristics
- (E) Plant reproduction
- (F) their chance of living
- (G) their food preference
- (H) metabolic reaction
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Let's think first: Population size influences the chances of a species surviving. Survival is to live, to live means hope. Population size influences the chances of a species living.... So the answer is [(F)]

What type of plant produces seeds in cones?
Options:
- (A) Softwoods.
- (B) Conifers
- (C) Aloe.
- (D) Most plants
- (E) Sunflower seeds.
- (F) white
- (G) epidermal
- (H) Fern plant.
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Let's think first: Gymnosperms are vascular plants that produce seeds in cones. Softwoods, on the other hand, are gymnosperms . Softwoods are vascular plants that produce seeds in cones.... So the answer is [(A)]