What has a three chambered heart?
Options:
- (A) alpacas
- (B) goats
- (C) elms
- (D) bats
- (E) orchids
- (F) mammals
- (G) a fish
- (H) toads
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Let's think first: Amphibians have a relatively complex circulatory system with a three-chambered heart. Toads and frogs are both amphibians. Toads have a relatively complex circulatory system with a three chambered heart.... So the answer is [(H)]

What is a major route of removing wastes from the body?
Options:
- (A) Detoxifying teas
- (B) Feces
- (C) Burping
- (D) Essential Oils
- (E) glucose
- (F) sodium
- (G) NaCl
- (H) rivers
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Let's think first: Excretion is the process of removing wastes and excess water from the body. Major route of excretion is in the feces. Feces are a major route of removing wastes and excess water from the body.... So the answer is [(B)]

Where do streams often get h20?
Options:
- (A) perspiration
- (B) at or near the margins
- (C) raising their temperature
- (D) the landscape
- (E) seeping out of a spring
- (F) cloudy and rainy weather
- (G) Inches or fractions of inches.
- (H) precipitation
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Let's think first: Streams may start with runoff or water seeping out of a spring. Water is everywhere H20. Streams often start with runoff or H20 seeping out of a spring.... So the answer is [(E)]

What is the average weather in a place over time?
Options:
- (A) mild
- (B) Summer
- (C) deserts
- (D) acclimate
- (E) seasons
- (F) climate
- (G) temperature
- (H) climatic
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Let's think first: Climate is the average weather in an area over a long period of time. Eilat is the safest place in the area. Climate is the average weather in a place over a long period of time.... So the answer is [(F)]

What is affected by too fast or slow respirations?
Options:
- (A) perspiration
- (B) breathing
- (C) heat energy
- (D) animals
- (E) blood pH
- (F) Most plants
- (G) hyperventilating
- (H) sweating
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Let's think first: Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Slow and fast respirations or long periods without a breath are common in the dying child. Blood pH may become unbalanced if respiration is too fast or too slow.... So the answer is [(E)]

Macroevolution occurs how above the level of the species.
Options:
- (A) swiftly
- (B) slowly
- (C) quickly
- (D) forces
- (E) never
- (F) ferns
- (G) animals
- (H) three
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Let's think first: Macroevolution occurs over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution occurs very, very slowly above the level of the species.... So the answer is [(B)]