NWEA MAP Test Prep Reading passage with Tier 2 and Tier 3 vocabulary words, comprehension questions, and a glossary that can help students prepare for the NWEA MAP reading test at the 220 RIT level:
Day One: The World's Most Dangerous Bugs and Reptiles
Though small in size, certain insects and reptiles pack enough venom or toxicity to threaten human lives. Unique physiology allows these creatures to inflict harm ranging from agonizing pain to potentially lethal effects. Understanding the risks they pose can help avoid tragedy.
In Africa, the black mamba is one of the deadliest snakes. Found throughout much of sub-Saharan Africa, these aggressive, speedy serpents can inject massive doses of fast-acting neurotoxic venom. Without antivenom treatment, the fatality rate from black mamba bites is nearly 100%. Other hazardous African snakes include spitting cobras and puff adders. The tsetse fly transmits sleeping sickness through its bite, causing organ damage and coma.
Australia is home to many notoriously toxic species. The fierce funnel-web spider's powerful venom can kill an adult human in just 15 minutes. Common in eastern Australia, these spiders are aggressive when threatened. Taipan snakes have an exceptionally toxic hemotoxic venom that prevents blood from clotting. Without antivenom, taipan bites prove fatal. Mosquitos transmit viruses like Ross River fever, an incapacitating malady causing joint pain and fatigue.
Asia has its share of deadly creepy-crawlies too. The King cobra is the world's longest venomous snake, found across southern Asia. Its neurotoxic venom can kill an elephant in a few hours or a person in about 30 minutes without treatment. Giant Asian hornets are the largest stinging hornets on earth. Their toxic stings can trigger fatal anaphylactic shock. South Asian mosquitos spread malaria and dengue hemorrhagic fever, which annually infect over 100 million people.
In South America, the Brazilian wandering spider roams at night in Brazil's rain forests. Its highly toxic venom can paralyze and asphyxiate victims. Fortunately, antivenom has reduced deaths from this spider's bite. Electric eels inhabiting the Amazon River can generate up to 600 volts, enough to stun prey or stop a human heart. Kissing bugs, so named because they bite sleeping humans on the face, spread Chagas disease through parasite-ridden feces.
North America has its hazards too like venomous rattlesnakes, black widow spiders, and scorpions - none as toxic as southern species. But the continent’s most infamous dangers come from disease carriers. Mosquitos transmit West Nile virus and other pathogens across the United States each summer. Lyme disease from tick bites can cause chronic arthritis, nerve damage and cognitive impairment if untreated.
No continent is safe from harmful insects and reptiles. But avoiding their habitat, wearing protective clothing, and getting prompt medical care can greatly reduce the risks. While these creatures can inflict pain, illness, and even death, increased understanding of dangerous species promotes caution rather than fear or destruction.
Comprehension Questions:
1. Which continent is home to the fierce funnel-web spider?
a) Africa
b) Asia
c) Australia
d) South America
2. What makes the venom of King cobras so dangerous?
a) Its slow onset of action
b) Its neurotoxic properties
c) Its necrotic effects
d) The large venom yield
3. How can Chagas disease be transmitted to humans?
a) Through kissing bug bites
b) By touching electric eels
c) Via mosquito bites
d) Through contaminated water
4. Why are North American insects and reptiles generally less hazardous?
a) There are fewer venomous species.
b) More antivenoms are available.
c) The continent is more temperate.
d) Precautions are more common.
5. What is the central message of the passage?
a) Insects and reptiles should be feared.
b) Dangerous species are found worldwide.
c) Venom research should progress.
d) Continent-specific risks exist.
Glossary:
Anaphylactic shock - A life-threatening allergic reaction that can impede breathing.
Hemotoxic - Toxic to blood cells and vessels.
Necrotic - Causing cell injury or death.
Neurotoxic - Disrupting nerve cell communication pathways.
Pathogen - A bacteria or virus capable of causing infection and disease.
Anaphylactic shock - A life-threatening allergic reaction that can impede breathing.
Hemotoxic - Toxic to blood cells and vessels.
Necrotic - Causing cell injury or death.
Neurotoxic - Disrupting nerve cell communication pathways.
Pathogen - A bacteria or virus capable of causing infection and disease.
Here is a reading passage on some of the deadliest and most toxic sea creatures:
Beware the Briny Deep: Deadly Sea Creatures
While oceans teem with life, some marine creatures pose serious hazards to humans. Unique adaptations like venomous stings or poisonous spines help these animals kill prey and defend themselves. Accidental encounters can inflict excruciating pain, paralysis, or even death in rare cases. Caution is advised around the deadliest sea dwellers.
The box jellyfish, found off the coasts of Indo-Pacific countries, is considered the most venomous marine creature. Its nearly invisible tentacles contain toxins that attack the heart, nervous system, and skin cells. Stings can cause shock and death within minutes. Antivenom has reduced the fatality rate to about 5%. A similar invertebrate, the Portuguese Man o’ War, has tentacles up to 100 feet long filled with paralyzing, painful venom.
Cone snails seem harmless moving slowly along tropical reefs. However, they harpoon prey with a poisonous barb that can be fatal to humans. Toxins in cone snail venom block nerve signals, causing paralysis, respiratory failure, and death in extreme cases. Eating improperly prepared cone snail meat can also be lethal. Treatment involves artificial respiration until the toxin is metabolized.
Stonefish are dangerous due to their camouflage and 13 venomous dorsal spines. Found in coral reefs of the Pacific and Indian Ocean, they can inject heart-disrupting toxins when stepped on, delivering agonizing pain and potential death without treatment. The toxin breaks down slowly, requiring weeks of recovery. Stingrays employ a sharp, serrated tail spine to slash predators. The jagged stingray wound makes recovery slow and increases infection risk.
Lurking in tropical seas, sea snakes possess extremely potent venom but are generally placid toward divers. The venom blocks nerve signals and causes paralysis. Sea snakes must chew to inject venom through rear fangs, so bites are uncommon. However, the venom's toxicity makes sea snakes potentially the most dangerous, with land snakes causing more deaths annually due to habitat range.
While the ocean contains lethal creatures, they rarely attack humans without provocation. Wearing protective footwear in coral reefs can prevent stings and wounds. Supervision prevents handling hazardous animals. Caution allows us to safely share the sea with these unique, beautiful species, only using deadly force when threatened.
Comprehension Questions:
1. Why are the stings of box jellyfish so dangerous?
a) The tentacles are transparent.
b) The venom attacks multiple body systems.
c) They appear appealing but are toxic.
d) There is no known antivenom.
2. How does cone snail venom act on the human body?
a) By causing paralysis
b) Through nervous system toxins
c) By inducing immediate death
d) Through destruction of skin tissue
3. What makes stingray wounds hazardous?
a) The serrated, piercing tail spine
b) Injection of neurotoxic venom
c) Delayed onset of symptoms
d) Risk of severe infection
4. Why do sea snakes cause fewer annual fatalities than land snakes?
a) Their venom is less potent.
b) They have smaller fangs.
c) They rarely encounter humans.
d) Antivenom is readily available.
5. What is the key message conveyed about dangerous sea creatures?
a) Avoidance is the best policy.
b) Their camouflage makes them hard to see.
c) Research is advancing on treatments.
d) Fatal attacks are frequent.
Glossary:
Placid - Calm and peaceful in temperament.
Provocation - Actions or threats that incite an aggressive response.
Serrated - Having a saw-like edge.
Toxin - A poisonous substance, especially a protein.
Venom - A toxin injected via a bite or sting.
Here is a reading passage on some of the deadliest land mammals found on each continent:
Beware of Beasts: Deadly Mammals of the World
While most mammals pose little threat to humans, some species are remarkably dangerous thanks to traits like size, speed, strength, or toxicity. Understanding the world's most hazardous mammals promotes sensible caution rather than irrational fear when in their habitat.
Africa is home to some of the most infamous lethal mammals. Cape buffalos kill over 200 people annually using their massive horns and bulk. These nomadic grazers become aggressive when disturbed. Lurking in rivers and lakes, hippos can crush human bones in their sharp-toothed jaws. Despite their clumsy appearance, hippos can outrun humans and kill more people each year than other African animals due to their aggression and enormous size.
The big cats stalking Asia, like Bengal tigers and Asiatic lions, represent some of the continent's deadliest mammals. Tigers kill more humans than any other big cat, dragging prey into forests to feast. Bites and scratches from big cats often lead to infections. Asia's largest venomous mammal, the Asian blue krait snake, lurks in dense jungle undergrowth. Its highly toxic bite quickly induces paralysis.
Australia's notorious mammals descended from marsupials. The aggressive saltwater crocodile lurks in northern estuaries, snatching prey with 3,000 pounds per square inch of bite force. Dingoes roam wild and may attack humans, especially on Fraser Island. Native rodents called hopping mice carry dangerous diseases like typhus and viral hemorrhagic fevers. Introduced species like water buffaloes and wild boars also pose threats.
In North America, bears injure humans more often than any other wildlife. Grizzly bears in particular have injured over 500 people in the last 50 years. Male grizzlies weighing up to 1,700 pounds attack when protecting territory or food. Mountain lions stealthily stalk and ambush prey, posing a hazard to isolated hikers and bikers. Wolves typically avoid humans but occasionally prey on people when desperate or rabid.
The wilds of South America contain mammals like the mighty anaconda and jaguar. Growing up to 250 pounds, anacondas kill large prey by constriction. Jaguars attack with a lethal bite to the head or neck. Peccaries travel in packs and use razor sharp teeth to charge at threats. Their bites can cause dangerous infections.
Most mammal encounters prove harmless with proper precautions like not startling animals or approaching offspring. While a few mammals are truly deadly, they generally avoid humans. Caution and common sense allow us to minimize risks in their territory.
Comprehension Questions:
1. Why are Cape buffalo considered one of Africa's deadliest mammals?
a) They are fast and stealthy.
b) They have long, sharp horns.
c) They are aggressive when disturbed.
d) They spread infectious diseases.
2. What makes tigers dangerous to humans in Asia?
a) Their preference for human prey
b) Infections from bites and scratches
c) Lack of natural prey sources
d) Their nocturnal hunting habits
3. How does the bite of a hopping mouse threaten humans in Australia?
a) Through severe blood loss
b) By transmitting dangerous diseases
c) Through paralysis-inducing venom
d) By crushing bones and joints
4. Why do wolves rarely attack people in North America?
a) Wolves are not aggressive by nature.
b) Humans do not provide good prey.
c) Wolves remain deep in the wilderness.
d) Wolf bites are easily treatable.
5. What is the key message of the passage?
a) Mammal attacks are frequent worldwide.
b) Most deadly mammals are found in Africa.
c) Many mammals can potentially threaten humans.
d) All mammals should be feared and avoided.
Glossary:
Constriction - Tightening around the body to restrain or kill prey.
Marsupial - A mammal that raises offspring in a pouch.
Nomadic - Wandering from place to place without a fixed home.
Rabid - Suffering from rabies, which causes abnormal aggression.
Here is a reading passage ranking some of the deadliest natural disasters:
Ranking the World’s Deadliest Natural Disasters
Natural disasters arise from extreme environmental events beyond human control. Understanding the immense destructive potential of nature’s forces promotes preparation and respect. Ranking disasters by fatalities provides perspective on the hazards civilization perpetually faces.
The deadliest natural disaster in recorded history unfolded in China in 1931. A combination of droughts and floods culminated in a massive Yangtze River flood that killed up to 4 million people through drowning, disease, starvation and chaos. Torrents swamped over 50,000 square miles across central China plunging survivors into abject poverty and misery.
Asia suffered another horrific calamity in 1970 when the Bhola cyclone blasted the densely populated Ganges River delta in Bangladesh. Wind speeds topped 115 miles per hour driving a 40 foot oceanic storm surge inland. Up to 500,000 perished from the violent winds and flooding. Weak infrastructure compounded the catastrophe in one of the world's poorest nations.
The 1887 Yellow River flood in China produced a death toll reaching up to 2 million from the relentless flooding. Centuries of deforestation aggravated the floods triggered by heavy rains. Massive dikes and dams now help control China's “sorrow river.” Cyclones consistently wreak havoc in southeast Asia, as evidenced by the 2008 Cyclone Nargis that killed over 130,000 people in densely settled Myanmar.
Earthquakes often transform populated areas into death zones within seconds. In 2010, the massive Port-au-Prince earthquake claimed over 100,000 lives in crowded Haiti. The 1755 Lisbon earthquake struck on a holy day with many people indoors, trapping and crushing victims under collapsed churches and buildings. Over 10% of Lisbon's population died. Future quake risks remain high in cities like Istanbul and Tehran.
The 2004 Indian Ocean tsunami underscores the power of oceanic disasters. An initial 9.1 quake unleashed immense waves up to 100 feet tall traveling at 500 miles per hour. Nearly 280,000 died as mighty waves battered coastlines with little warning across southeast Asia. The 2011 Tōhoku tsunami in Japan similarly led to over 15,000 casualties despite modern warning systems.
Volcanic eruptions generate deadly hazards ranging from scorching ash clouds to lava flows. In 1902, the Caribbean volcano Mount Pelée erupted violently, leveling the entire city of Saint-Pierre, Martinique within minutes and killing all but 2 residents. Indonesia's infamous 1883 Krakatoa eruption triggered tsunamis killing 36,000. Ash circled the globe for years impacting weather and temperatures.
Natural disasters will inevitably continue as our planet evolves. While we cannot control nature, preparedness and preventative infrastructure save lives by mitigating destruction. Proper precautions and planning reduce disaster death tolls. Our best weapons are knowledge, readiness, and respect for the immense power of planet Earth.
Comprehension Questions:
1. What event caused the deadliest natural disaster on record?
a) A cyclone in Bangladesh
b) A volcanic eruption on Martinique
c) A flood on China's Yangtze River
d) An earthquake in Haiti
2. What disaster was aggravated by deforestation and poor infrastructure?
a) The 2004 Indian Ocean tsunami
b) The 1970 Bhola cyclone
c) The 1887 Yellow River flood
d) The 2010 Haiti earthquake
3. Which disaster unfolded very quickly with little warning?
a) 1931 China floods
b) 1755 Lisbon earthquake
c) 1883 Krakatoa eruption
d) 1902 Mt. Pelée eruption
4. How can technology and infrastructure help mitigate disaster deaths today?
a) By providing flood control methods
b) By enabling rapid evacuations
c) Through early warning systems
d) All of the above
5. What is the key message conveyed about natural disasters?
a) Asia is the continent most affected.
b) Cyclones cause the most fatalities.
c) Disaster death tolls are decreasing globally.
d) Preparing mitigates risk and damage.
Glossary:
Calamity - An event causing great damage or suffering.
Culminated - Reached the highest point of development.
Mitigate - Reduce the severity or harm.
Precaution - Actions taken to reduce risk or avert harm.
Unfolded - Developed or happened over a period of time.
Here is a 1000 word passage describing the five major mass extinction events that occurred on Earth over the past 4 billion years:
The Five Deadliest Mass Extinctions in Earth's History
Over the 4.5 billion year history of planet Earth, life has endured five major mass extinction events. During these catastrophic episodes, at least 75% of species on Earth went extinct over short periods of geologic time. Understanding the causes and scales of previous mass extinctions provides perspective on the evolutionary resilience of life.
The End Ordovician mass extinction 444 million years ago marked the first global biodiversity crisis. Over 85% of marine species like brachiopods, trilobites, and corals suddenly disappeared as glaciation cooled the planet. Sea levels dropped, eliminating shallow marine habitats. New adaptive radiations of shellfish and sharks eventually repopulated oceans.
The Late Devonian event 360 million years ago wiped out over 75% of species. A period of cooling climate and lowered sea levels disrupted ocean life, while vascular plants colonized land. Reef ecosystems took millions of years to fully recover their biodiversity. Amphibians, insects, and early reptiles began diversifying into newly vacant terrestrial niches after this extinction.
The most devastating mass die-off was the End Permian event 250 million years ago, eliminating 95% of marine and 70% of terrestrial species. Enormous volcanic eruptions in Siberia spewed greenhouse gases and toxic fumes, radically changing the climate and chemistry of land and sea. The die-off opened niches for the new dinosaur era.
The End Triassic extinction 200 million years ago removed around 80% of all species. Climate swings, lower sea levels, and another volcanic episode pressured populations. Dinosaur predecessors emerged among the survivors, which were mainly small, adaptable reptiles and mammals. This event cleared the stage for dinosaurs to assume dominance.
Most famously, the End Cretaceous event 65 million years ago rapidly ended 76% of all species, including all non-avian dinosaurs. An asteroid or comet impact off Mexico’s Yucatan Peninsula caused erupting fires, shockwaves, and a lingering impact winter. Mammals inherited the planet, radiating into vacant niches after dinosaurs' disappearance.
While episodic mass extinctions are catastrophic, life proves resilient. From each die-off, new adaptive radiations evolve over time to fill ecological voids. Mass extinctions underscore that our planet remains dynamic. While future extinction threats give cause for concern, Earth's history shows life persevering against upheaval.
Comprehension Questions:
1. When did the first known mass extinction occur on Earth?
a) 250 million years ago
b) 444 million years ago
c) 360 million years ago
d) 65 million years ago
2. What factors contributed to the Late Devonian extinction?
a) Glaciation and falling sea levels
b) Greenhouse gases and ocean acidification
c) Asteroid impact and climate cooling
d) Volcanic eruptions and toxic fumes
3. Why was the End Permian event so severe?
a) Rapid climate shifts from volcanoes
b) Vascular plants displaced animals
c) Predation pressures increased
d) An asteroid impact caused fires
4. How did the End Triassic benefit dinosaurs?
a) It enabled their rapid evolution.
b) It opened ecological niches they occupied.
c) It led to mammalian extinction.
d) It caused expanding forests.
5. What key message relates to mass extinctions?
a) Life has always recovered and diversified after them.
b) Impacts and volcanoes will reoccur, causing new extinctions.
c) Another mass extinction is overdue soon.
d) Marine species are affected more than terrestrial ones.
Glossary:
Adaptive radiation - The rise of diversity as organisms adapt to fill new ecological roles.
Biodiversity - The richness and variety of plant and animal species in a habitat.
Brachiopod - Marine invertebrates with upper and lower calcareous shells.
Niche - The unique ecological role occupied by a species in its habitat.
Resilience - The capacity to recover from difficulties or disturbance.
