sentence
stringlengths 21
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sequence | answer
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**blank** of change is undergone when the physical properties of a substance are changed | [
"thermal",
"genetic",
"atmospheric"
] | physical |
Calcium ion is an example of **blank** kind of messenger | [
"third",
"fourth",
"first"
] | second |
Aspirin and ibuprofen reduce pain by inhibiting the synthesis of **blank** | [
"triglycerides",
"lipids",
"hormones"
] | prostaglandins |
the process by which water moves through semi-permeable membranes from one part of the body to another is **blank** | [
"diffusion",
"electrolysis",
"mitosis"
] | osmosis |
the basis of nervous tissue are **blank** | [
"erythrocytes",
"lipocytes",
"osteoclasts"
] | neurons |
Layers of **blank** create a volcano | [
"rock",
"limestone",
"crust"
] | lava |
Non-human organisms that mainly consume plants/other primary producers are known as **blank** | [
"amphibians",
"carnivores",
"omnivores"
] | herbivores |
Each of **blank** paired organs is enclosed within a cavity surrounded by the pleura | [
"bones",
"ovaries",
"heart"
] | lungs |
the best-known extinct vertebrates are **blank** | [
"snakes",
"trees",
"trilobites"
] | dinosaurs |
**blank** is less risky for the mother | [
"gastrointestinal",
"atypical",
"mutation"
] | marsupial |
**blank** of eclipse happens when a full moon moves through earth 's shadow | [
"cycle",
"solar",
"planetary"
] | lunar |
Dynamite is an example of **blank** type of potential energy | [
"carbon",
"mineral",
"thermal"
] | chemical |
**blank** located on chromosomes control characteristics of life and are passed from parents to offspring | [
"eggs",
"axons",
"cells"
] | genes |
**blank** of organisms helps hold soil in place to slow erosion | [
"flowers",
"bacteria",
"animals"
] | plants |
**blank** is named after the roman goddess of love | [
"Neptune",
"Mercury",
"Jupiter"
] | venus |
the simplest organic compounds are **blank** | [
"proteins",
"enzymes",
"carbohydrates"
] | hydrocarbons |
Plants require air , water , nutrients , and **blank** in order to live and survive | [
"money",
"gravity",
"entertainment"
] | light |
the first true tetrapods , vertebrates with four limbs are **blank** | [
"fish",
"reptiles",
"mammals"
] | amphibians |
In most fungi , the haploid nuclei contributed by each parent do not do **blank** right away | [
"filter",
"disperse",
"vaporize"
] | fuse |
telomere is shortening associated with **blank** | [
"sleeping",
"reducing",
"changing"
] | aging |
**blank** happens to the pressure when more gas is added to a rigid container | [
"occurs",
"changes",
"Higher"
] | increases |
Often represented by an arrow , a vector is a measurement that has both size and **blank** | [
"pressure",
"location",
"reason"
] | direction |
A solenoid wrapped around a bar of iron or other ferromagnetic material forms **blank** | [
"impoundment",
"compass",
"compress"
] | electromagnet |
Enzymes can catalyze up to several million reactions per **blank** | [
"minute",
"hour",
"day"
] | second |
Unipolar , bipolar , multipolar , and pseudounipolar are the four basic types of **blank** | [
"ions",
"protons",
"electrons"
] | neurons |
**blank** families are known quarks divided into | [
"two",
"five",
"four"
] | three |
Yeasts , molds , and mushrooms are all different kinds of **blank** | [
"pollen",
"bacteria",
"fossil"
] | fungi |
the term for the preserved remains or traces of organisms that lived in the past is **blank** | [
"corals",
"bones",
"detritis"
] | fossils |
All of the elements in group 9 have nine of **blank** electrons | [
"shell",
"ionic",
"gradient"
] | valence |
**blank** must be combined with a halogen to give it a positive oxidation number | [
"nitrogen",
"calcium",
"carbon"
] | oxygen |
When a stream or river slows down , it starts dropping its **blank** | [
"fragments",
"organisms",
"pollutants"
] | sediments |
The chemical and/or physical agents that cause mutations are called **blank** | [
"dioxins",
"organelles",
"genes"
] | mutagens |
the force that opposes motion between two surfaces that are touching is **blank** | [
"tension",
"vibration",
"gravity"
] | friction |
Skeletal , cardiac , and smooth are all types of **blank** | [
"Nervous",
"Epithelial",
"Connective"
] | muscle |
Traits may also be controlled by multiple alleles or multiple **blank** | [
"chromosomes",
"lesions",
"eggs"
] | genes |
a mixture of a solute in a solvent is called **blank** | [
"link",
"structure",
"transition"
] | solution |
Silver is an example of a mineral containing only one kind of **blank** | [
"matter",
"mass",
"chemical"
] | element |
**blank** of matter makes up most of the universe | [
"carbon",
"liquid",
"gas"
] | plasma |
Proteins are polymers of **blank** kind of acids | [
"lipids",
"lactic",
"acetic"
] | amino |
the official name for the study of life is **blank** | [
"chemistry",
"geology",
"botany"
] | biology |
the dinosaur genus that 's closest to modern birds is **blank** | [
"sauropods",
"diplodocus",
"Rapter"
] | deinonychus |
**blank** are formed when cells from the male and female parts of the plant combine | [
"varieties",
"trees",
"atoms"
] | seeds |
another name for anther pollen sacs is **blank** | [
"ganglia",
"Megasporangia",
"Gametangia"
] | microsporangia |
**blank** is used to describe the variety of life and its processes , including the variety of living organisms , the genetic differences among them , and the communities and ecosystems in which they occur | [
"biosphere",
"habitat",
"evolution"
] | biodiversity |
A rock that contains important minerals is called **blank** , a term associated with mining | [
"jewel",
"coal",
"gem"
] | ore |
Convection is the heat transfer by the macroscopic movement of a **blank** | [
"gravity",
"gases",
"tissue"
] | fluid |
**blank** is often caused by what | [
"calcium",
"inflammation",
"viruses"
] | tumor |
**blank** secretes growth hormones | [
"pineal",
"adrenal",
"thyroid"
] | pituitary |
**blank** of rock layer makes up the bottom of an aquifer | [
"invisible",
"porous",
"crystalline"
] | impermeable |
The amniotic egg is a shared ancestral character for **blank** clade | [
"trichina",
"xerophyte",
"avian"
] | amniota |
Lyme disease is caused by **blank** kind of organim | [
"Virus",
"bacterium",
"algae"
] | bacteria |
the side to side movement of the mandible is called **blank** | [
"twitching",
"cycling",
"shifting"
] | excursion |
plants that grow on other plants are called **blank** | [
"fungi",
"parasites",
"bryophytes"
] | epiphytes |
nectar-feeding bats do to flowers **blank** | [
"defecate",
"illuminate",
"consume"
] | pollinate |
Ecological succession refers to the change in the numbers and types of species that live in **blank** groups | [
"movements",
"colonies",
"biomes"
] | communities |
**blank** is characterized by sensory organs , the ability to move , internal digestion and sexual reproduction | [
"protists",
"plants",
"fungi"
] | animals |
Foodborne illness , food allergies , or a food intolerance cause symptoms in **blank** system | [
"respiratory",
"circulatory",
"skeletal"
] | digestive |
the process of breaking an individual into parts followed by regeneration is called **blank** | [
"minimization",
"erosion",
"destruction"
] | fragmentation |
The left atrium receives oxygen-rich blood from **blank** organs | [
"pancreas",
"brain",
"liver"
] | lungs |
If the water vapor condenses in liquid droplets as clouds form , **blank** is released in the atmosphere | [
"oxygen",
"hydrogen",
"electricity"
] | heat |
An increase in the number of gas molecules in the same volume container causes **blank** to increase | [
"friction",
"energy",
"power"
] | pressure |
induction cooktops have **blank** under their surface | [
"Chambers",
"clumps",
"screws"
] | electromagnets |
**blank** types of molecular orbitals can form from the overlap of two atomic s orbitals on adjacent atoms | [
"three",
"six",
"ten"
] | two |
**blank** is the term for groups of cells with a similar appearance and a common function , and describes how cells are organized | [
"muscle",
"heart",
"kidney"
] | tissue |
**blank** are made of one carbon and four hydrogen atoms | [
"fats",
"proteins",
"particles"
] | hydrocarbons |
Atoms of different elements have different numbers of **blank** | [
"electrons",
"neutrons",
"nucleus"
] | protons |
The lancelet lacks **blank** feature that distinguishes vertebrates | [
"feet",
"skin",
"mouth"
] | backbone |
a reptiles skin is covered in to protect them from drying out **blank** | [
"bacteria",
"oil",
"dye"
] | scales |
In sexual reproduction , the fusion of haploid gametes forms a diploid cell called **blank** | [
"gonad",
"fetus",
"gamete"
] | zygote |
**blank** provides clear evidence of evolution | [
"biologists",
"extinction",
"mutations"
] | fossils |
About half of **blank** type of radiation is absorbed in the first 15 meters of water | [
"surface",
"polar",
"natural"
] | solar |
**blank** begins with a diploid cell and ends with four haploid cells | [
"electrolysis",
"mitosis",
"urinalysis"
] | meiosis |
Two smaller isotopes , more neutrons , and heat energy are the products of **blank** type of reaction | [
"Reaction",
"diffusion",
"fusion"
] | fission |
a disease is caused **blank** by the same virus that causes chicken pox | [
"gout",
"diabetes",
"hepatitis"
] | shingles |
In a solution **blank** is the substance a solute dissolves in is called | [
"particles",
"gas",
"atoms"
] | solvent |
it is called **blank** when sound is reflected off an object | [
"signal",
"amplification",
"reverberation"
] | echo |
Most modern seed plants are angiosperms , which produce seeds in the ovaries of **blank** basic structure | [
"stems",
"cells",
"leaves"
] | flowers |
Farming practices leave some soil exposed and vulnerable to **blank** natural process | [
"migration",
"rust",
"sediment"
] | erosion |
Matter is made up of a mixture of things called **blank** | [
"segments",
"compounds",
"structures"
] | elements |
There are 20 different common amino acids needed to make **blank** organic compound | [
"lipids",
"nutron",
"cells"
] | proteins |
Some types of minerals form balls called **blank** | [
"cancers",
"microbes",
"fistulas"
] | nodules |
According to the special theory of relativity , no physical object can equal or exceed the speed of **blank** | [
"air",
"energy",
"weight"
] | light |
you call water that flows out of the ground where an aquifer meets the surface **blank** | [
"oasis",
"waterfall",
"stream"
] | spring |
you call the basic units of the structure and function of living things **blank** | [
"molecules",
"enzymes",
"proteins"
] | cells |
the conversion of a solid to a gas is called **blank** | [
"speciation",
"amplification",
"education"
] | sublimation |
**blank** does the inside of all cells also contain | [
"chloroplasm",
"protein",
"chromosomes"
] | cytosol |
Known for its beautiful rings , **blank** is the second largest planet in the solar system | [
"Mars",
"jupiter",
"Venus"
] | saturn |
**blank** is used to describe a cancer that has spread | [
"destabilized",
"galvanized",
"ostracized"
] | metastasized |
the cure of cancer is known as **blank** | [
"metabolism",
"rejuvenation",
"regeneration"
] | remission |
the outer layer of the exoskeleton is called **blank** | [
"bristle",
"epidermis",
"epithelium"
] | cuticle |
insects begin developing their wings in **blank** | [
"crystalline",
"larva",
"pupal"
] | pupa |
The speed of sound depends on **blank** | [
"light",
"volume",
"temperature"
] | medium |
While elements are represented by chemical symbols , chemical formulas represent **blank** | [
"extracts",
"pollutants",
"solutions"
] | compounds |
the transition from solid to vapor is called is **blank** | [
"vaporization",
"deposition",
"ionization"
] | sublimation |
Trees , which can be planted and harvested , are an example of **blank** type of resource | [
"electric",
"fossil",
"geothermal"
] | renewable |
usually the most visible part of the flower is **blank** | [
"cells",
"seeds",
"roots"
] | petals |
The interaction between atomic orbitals is greatest when they have the same **blank** | [
"temperature",
"mass",
"fuel"
] | energy |
different versions of a gene are known as **blank** | [
"modes",
"ion",
"genomes"
] | alleles |
All chemical reactions involve both reactants and **blank** else | [
"consumers",
"catalysts",
"energy"
] | products |
Potassium hydroxide in soap is an example of **blank** | [
"enzyme",
"catalyst",
"acid"
] | base |
Subsets and Splits