sentence
stringlengths
21
495
What type of vehicles is able to go to the deepest ocean floor?
Examples of organ systems in a human include the skeletal, nervous, and what?
Exercising every day is an example of a good health habit.
What is the term for the affected factor in an experiment?
Vertebrate Classification There are about 50,000 vertebrate species, and they are placed in nine different classes. There are about 50,000 vertebrate species, and they are placed in nine different classes.
The genetic code works in series of three-letter codes.
What is the amount of energy required to begin a chemical reaction known as?
What do you call a type of mixture that has the same composition throughout?
Alone among the planets, the surface temperatures of Earth allow water to exist in all three states, solid (ice), liquid (water), and gas (water vapor). Water exists on earth in three matter states states.
Oxygen gets into the atmosphere by photosynthesis of land and sea plants. The process responsible for the presence of oxygen in our atmosphere is photosynthesis.
A mineral is described as a solid natural material with a crystal structure.
What enthalpy change is observed in an exothermic reaction?
For the first 8 weeks, the embryo will develop almost all of the tissues and organs present in the adult before entering the fetal period of development during weeks 9 through 38. By 8 weeks, all major organs start developing.
The orbital is the area where an electron is most likely to be found.
Sulfur can combine with oxygen to produce what?
Around 1200 species of birds are currently at risk of extinction due to human activity.
What aspect of beryllium allows it to absorb x-rays?
What do you call sound that has a wave frequency higher than the human ear can detect?
Menopause occurs in in middle adulthood.
Binary compounds of carbon with less electronegative elements are called carbides.
For example, a year is defined as the amount of time it takes for the Earth to make one complete revolution around the Sun. Earth makes a complete revolution around the sun about once every year.
How many limbs to birds have?
Ozone--a gas with molecules consisting of three oxygen atoms--is highly dispersed. Three oxygen ions make up an ozone molecule.
What explains the spherical shape of ceres, once thought to be the largest asteroid?
Female gender typically experiences growth spurts first.
What do you call cellular respiration that does not need oxygen to proceed?
Division Magnoliophyta, the Angiosperms (flowering plants) Angiosperms is the term for flowering seed plants.
In a pedigree what shape symbolizes males?
What is another name for a broad explanation that is supported by a great deal of evidence?
We call the recycling of inorganic matter between living organisms and their environment biogeochemical cycle.
What trophic level are secondary consumers (which eat primary consumers) considered to be?
Ion channels facilitate(s) the diffusion of ions across a membrane.
Simple carbohydrates can be classified in terms of chain length.
In the human body, what do you call the intersection where the paths for air and food cross.?
Aqueous solution is used to describe a solution in which water is the solvent.
Meninges are three-layered membranes that surround the brain and spinal cord. The three layers of protective coverings of the spinal cord is called the meninges.
Tamiflu inhibits spread of virus.
What are the most numerous blood cells?
Now quarks are generally accepted as the particles that make up protons, neutrons, and other exotic particles. Protons and neutrons are made of quarks, which are fundamental particles of matter.
Epithelial? tissue consists of cells that cover inner and outer body surfaces.
How do most fish reproduce with one another?
When it rains, some animals will
Cells have four cycles.
Which muscles allow your fingers to also make precise movements for actions?
What is the earths crust composed of?
Iguassu falls is the largest waterfall on the planet.
Induced or spontaneous are the two methods in which mutations arise in dna.
Blood is pumped through the chambers with the help of four heart valves. There are four valves in the heart.
Most of earth's water is located in oceans
The plasma allows the circulation of red blood cells, white blood cells, and platelets. Blood is made up of red blood cells, white blood cells, platelets, and plasma.
Anaerobic respiration occurs if oxygen cannot be obtained at a sufficient rate.
Genes carried on the sex chromosomes are said to be sex-linked. Sex-linked traits are located on genes on sex chromosomes.
What type of seeds come from plants that were traditionally grown in human populations, as opposed to the seeds used for large-scale agricultural production?
The pH of tap water is about pH 7, or neutral. Water is at the neutrality, 7 point on the ph scale.
Remember electrons are negatively charged, so ions with a positive charge have lost what?
What is the most numerous species on the planet?
What term means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited?
The carbon-containing molecules that make up living things are called organic compounds . Living organisms are comprised of organic compounds, which are molecules built around carbon.
The process of photosynthesis requires carbon dioxide, water and sunlight, which produces, oxygen, water and glucose. Photosynthesis converts carbon dioxide and water into glucose.
A binary molecular compound is made up of two of what?
Electrical energy consumed can be expressed as the product of power multiplied by time.
Distance is the term for the length of the route between two points.
Sulfur can combine with oxygen to produce sulfur trioxide.
What are the cells caused that parasites spread through their host?
Insulin is made up of two polypeptide chains.
Heterogeneous is the term for a mixture that varies in its composition.
Where is the hypothalamus鈥損ituitary complex located in the body?
Arachnids are arthropods that have 4 pairs of legs. Arachnids have 4 pairs of legs.
Heredity, which includes gene transfer, assures that the offspring possesses the same adaptive trait as its parent. Heredity is the science of how traits are passed from parents to offspring.
A voltaic cell uses what type of reaction to generate an electric current
We can treat that band almost as if it were an inherited trait, like blue eyes, black hair, or hemophilia, because it is inherited, being a small piece of DNA. A human offspring inherit blue eyes.
A pumpkin is a fruit.
What kind of energy constitutes the total kinetic energy of all the atoms that make up an object?
What is the term for a mixture that varies in its composition?
When the water vapor from a hot shower contacts the cooler surface of a mirror, the result is that foggy mirror.
What is the term for an organism, or single living thing?
What gland secretes its products directly into the urethra through several small ducts
Producing light without heat is called what?
The climate of a small area is called a(n) microclimate.
Positive feedback intensifies a change in the body鈥檚 physiological condition rather than reversing it.
Salt-water biomes in the ocean are called marine biomes.
In humans, the heart is the first organ to form and become functional.
What external feature in human beings is responsible for balance?
Group 13 of the periodic table is also called the the boron group.
Evidence exists that the earth's magnetic poles switch occasionally, as old samples often show magnetic patterns that do not match with he current magnetic alignment. The earth's magnetic poles have switched places repeatedly in the past.
Electrochemistry is the study of the relationship between electricity and chemical reactions.
Heart valves prevent the backflow of blood from happening in the heart.
Scientists think protists are the oldest eukaryotes.
The movement of an air mass over earth's surface causes local weather changes.
Which of the following statements best describes one way that the Moon is different from Earth?
What is the term for an organism, or single living thing?
This "innate" immune system provides a first line of defense, and, in vertebrates, also triggers a more adaptive, specific immune response. Vertebrates are unique in having adaptive immunity in addition to innate immunity.
Vaccine is a preventative measure that is often delivered by injection into the arm.
The movement of an air mass over Earth's surface causes
If two populations do not mate and produce fertile offspring, what results?
What do you call elements that contain only atoms of one type of element?
The pH scale is used to measure the degree of acidity or alkalinity of a solution. The acidity of a solution is typically assessed experimentally by measurement of its ph.
What aspect of beryllium allows it to absorb x-rays?
Inflammatory response is the second line of defense.
Why is respiratory acidosis considered to be problematic?