What part of a tree would be woody and covered in bark?
Options:
- (A) shrub beds
- (B) the leaves
- (C) the roots
- (D) cacti
- (E) a sapling
- (F) Chlorophyll
- (G) the trunk
- (H) four limbs
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Let's think first: Trees have woody stems covered with bark. Stems of plants include trunks and branches. Trees have woody trunks covered with bark.... So the answer is [(G)]

What does bone provide protection for in humans?
Options:
- (A) epidermal
- (B) during the day
- (C) fur and fat
- (D) health
- (E) layers of fat
- (F) staying warm
- (G) The heart.
- (H) When it's cold
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Let's think first: Bone provides protection for soft tissues and internal organs. For the heart is the chief organ of the body and rules it. Bone provides protection for the heart.... So the answer is [(G)]

Which is immobile?
Options:
- (A) adult starfish
- (B) all matter
- (C) adult goldfish
- (D) gastropod shells
- (E) tadpoles
- (F) adult sponges
- (G) an object
- (H) an organism's body
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Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are immobile.... So the answer is [(F)]

Dna is typically found in this state:
Options:
- (A) protected
- (B) spiky
- (C) dense
- (D) genetic
- (E) alleles
- (F) coiled
- (G) circular
- (H) electron
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Let's think first: DNA is found in chromosomes. Chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes. DNA is found in coiled groups of genes.... So the answer is [(F)]

Electromagnetic energy enters the body through what part of the eye?
Options:
- (A) energy transport
- (B) pupil
- (C) iris
- (D) skin
- (E) eyehole
- (F) lenses
- (G) organ
- (H) nerves
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Let's think first: Light enters the eye through an opening called the pupil. Light is the visible form of electromagnetic energy. Electromagnetic energy enters the eye through an opening called the pupil.... So the answer is [(B)]

Which body of water would be able to dissolve oxygen and nutrients the best?
Options:
- (A) NaCl
- (B) Lake
- (C) Puddle
- (D) Pond
- (E) rain
- (F) CO 2
- (G) River
- (H) sugar
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Let's think first: Running water is better able to dissolve oxygen and nutrients than standing water. Also, running water in rivers is the major force of erosion on the surface of the earth. Rivers are better able to dissolve oxygen and nutrients than standing water.... So the answer is [(G)]