Female gametophytes produce eggs inside what part of flowers?
Options:
- (A) Petal.
- (B) an area swollen with pus
- (C) allow growth
- (D) at or near the margins
- (E) Produce department.
- (F) Chlorophyll
- (G) Chicken.
- (H) Where ovum, are stored
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Let's think first: Female gametophytes produce eggs inside the ovaries of flowers. Ovum, or eggs, are stored in the ovaries. Female gametophytes produce eggs inside where ovum, or eggs, are stored of flowers.... So the answer is [(H)]


Animals that tend to have complex nervous systems are missing what?
Options:
- (A) Energy
- (B) Energy.
- (C) nervous system
- (D) Chlorophyll
- (E) backbone
- (F) alleles
- (G) abdomen
- (H) brain
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Let's think first: Most invertebrates have a more complex nervous system. Invertebrates are animals without a backbone. Most animals without a backbone have a more complex nervous system.... So the answer is [(E)]


Flowing water can slowly _ carbon in limestone.
Options:
- (A) alter
- (B) destroy
- (C) erode
- (D) allow growth
- (E) dissolve
- (F) heat
- (G) a solute
- (H) rain
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Let's think first: Flowing water can slowly dissolve carbon in sedimentary rock. Limestone is an organic, sedimentary rock. Flowing water can slowly dissolve carbon in limestone.... So the answer is [(E)]


What happens as cells lose their ability to divide?
Options:
- (A) anemia
- (B) puberty
- (C) negative
- (D) radiation
- (E) getting old
- (F) replication
- (G) Dehydration
- (H) having a baby
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Let's think first: Aging occurs as cells lose their ability to divide. Gerontology is the study of the aging process and old age. Getting old occurs as cells lose their ability to divide.... So the answer is [(E)]


What has permeable skin?
Options:
- (A) goats
- (B) alligators
- (C) animals
- (D) apples
- (E) frogs
- (F) sharks
- (G) humans
- (H) snakes
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Let's think first: Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorb substances in the environment.... So the answer is [(E)]


Mammals find breath through the action of what thing beneath their lungs?
Options:
- (A) matter
- (B) the skin
- (C) muscle
- (D) organ
- (E) lmestone
- (F) oxygen
- (G) gas
- (H) Epidermis
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Mammals breathe with the help of a diaphragm. Hiccups are caused by involuntary spasms of the diaphragm, the muscle beneath the lungs. Mammals breathe with the help of a muscle below the lungs.... So the answer is [(C)]