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What is the only continent without amphibians?
Lamprey cartilage contains no collagen.
A turbine using tides in the ocean can create electricity energy.
sphygmomanometer An instrument used to measure blood pressure. Sphygmomanometer is used to measure blood pressure.
The most common two-lens telescope, like the simple microscope, uses convex lenses.
Plants that grow where you don't want them are called weeds.
Some meteorites are made of iron and nickel and are thought to be very similar to the core of the earth.
What type of energy is clean and does not release greenhouse gases?
Comparing what sequences provides clues to evolution and development?
Chemical reactions follow the laws of thermodynamics.
What is a stream of moving water that flows through the ocean?
Unlike energy, matter doesn’t need to be constantly added to ecosystems because it is recycled through ecosystems.
What the name of the disease where some of the alveoli of the lungs fill with fluid so they can no longer exchange gas?
It takes earth one week to rotate on its axis seven times.
The earth's rotation is 24 hours. It takes 24 hours for the earth to make a complete rotation of its axis.
The Nucleus and Other Organelles Eukaryotic cells contain a nucleus and several other types of organelles. Along with other organelles, all eukaryotic cells possess nucleus.
Professionals known as genetic counselors can help them understand the risks of children being affected.
An electron moves to a shell farther from the nucleus after it absorbs energy.
In a carbon triple bond, three pairs of electrons are shared.
What do you call elements that contain only atoms of one type of element?
Reducing the number of molecules in a rigid container causes what to decrease?
Behaviors that are closely controlled by genes and have little to no environmental influence are called what kinds of behaviors?
Solid is the state in which matter maintains a fixed volume and shape. The name for a matter that has a fixed volume and a fixed shape is solid.
Tin must be mined (mainly as the tin ore cassiterite) and smelted separately, then added to molten copper to make bronze alloy. Bronze is an alloy of copper and tin.
You call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars, elliptical galaxies.
What are the only innate behaviors in humans?
Centrifuges use what to perform their task?
What might a scientist do to confirm the work of another?
The discovery of ribozymes nullified the idea that all biological catalysts are proteins.
Any large molecule is referred to as what?
In what form is most of the earth's freshwater?
What type of cartilage contains no collagen?
Concave lenses can correct myopia.
What do all cells have in common?
Placental mammals give birth to relatively large fetuses.
A statement that describes what always happens under certain conditions in nature is also known as what?
The water in some springs are hot because they're heated by what?
Hormones generally travel through the circulatory system system of the body.
What field of study is called the language of science?
Why are seeds of a pine cone easily carried by the wind and dispersed?
The largest known proteins are titins.
pH is the measurement of acidity, alkalinity, or neutrality of a water based solution. The acidity of a solution is typically assessed experimentally by measurement of its ph.
What is the movement of fluid out of the capillaries called?
What is the name of the second most electronegative element?
Not surprisingly, controlling flight is the function of the most developed part of a bird's brain.
Because trees add water vapor to air, cutting down forests leads to longer periods of what?
Am radio waves exist in the 540 to 1600 khz frequency range.
Sympatric Speciation Divergence occurs without geographic separation, i.e derived species arises within range of ancestral species. Sympatric speciation is when a new species arises without geographic separation.
Red blood cells are the most numerous blood cells.
Ionic compound atoms of various elements gain or lose electrons to?
A wall of rocks or concrete a called a groin.
What is another term for hydraulic fracturing?
Distance is the term for the length of the route between two points.
The force applied to an object is called stress.
In the case of a light bulb, electricity is converted to light and thermal energy.
Which of the following statements best describes one way that the Moon is different from Earth?
Voyager 1, launched September 5, 1977, visited Jupiter in 1979 and Saturn in 1980. The voyager 1 spacecraft visited saturn in 1980.
An electrical circuit is a network consisting of a closed loop, giving a return path for the current. Because charges must have an unbroken path to follow, electric current cannot flow through a material unless it forms a closed loop.
The nervous system plays a critical role in the regulation of vascular homeostasis.
Gravity causes rocks to roll downhill.
Most ocean waves are caused by wind.
The abundance of water makes the earth habitable for humans.
Multiple fission is more often observed among protists.
The octet rule is a result of trends in energies and is useful in explaining why atoms form the ions that they do.
Which stage of life is typically easier for learning multiple languages?
Animals need plants for food and energy.
What term describes the long tube that connects the mouth to the anus?
Impulse is change in momentum due to collision. Change in momentum in an object is equivalent to impulse .
Tamiflu inhibits spread of virus.
A sign that an apple tree is going to start growing apples is that the tree has flowers.
Industry is the greatest source of hazardous waste.
Solid exists if particles do not have enough kinetic energy to overcome the force of attraction between them.
Which of the following is an example of a form of energy?
Phototaxis is the term for movement toward light.
What causes a blue block to appear blue in the sunlight?
MINERALS A mineral is any naturally-occurring, homogeneous solid that has a definite chemical composition and a distinctive internal crystal structure. A mineral is described as a solid natural material with a crystal structure.
Where do the majority of species live?
Alkenes are formed from an alcohol that loses water.
What helps pumice float in water?
The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord. The three layers of protective coverings of the spinal cord is called the meninges.
The majority of species live in the ocean.
The main advantage of urea is its very low toxicity.
Specifically, an orbital describes a region in space where there is a 90% change of finding an electron. The orbital is the region called where an electron is most likely to be found.
Changing the shape of an elastic material gives it what type of energy?
A jellyfish does not have a circulatory system.
In which way do vertebrates reproduce?
What property is defined as the magnitude or size of displacement between two positions?
Diffusion -Diffusion is the net movement of the same kind of molecules from an area of higher concentration to one of lower concentration, until a uniform distribution of molecules is attained. Diffusion is the term for the movement of molecules from an area of high concentration to an area of low concentration.
What type of pollutants enter the air directly?
Alternating current is the term for electric current that keeps reversing direction.
Chilling them to nearly absolute zero (-459 F), the temperature at which all atomic motion ceases, stops this distracting vibration. The temperature at which all molecular motion has ceased is called absolute zero.
What is it called when a new species arises without geographic separation?
How ice cores are important to the study of geologic history is best described as they contain evidence showing changes in the atmospheric composition over time.
Which gas is given off by plants?
What is the term for the application of science to solve problems?
an object at rest will stay at rest and an object in motion will stay in motion with the same velocity unless acted on by an unbalanced force. If no unbalanced force acts on an object the object remains at constant velocity or at rest.
What device is used to study charge?
The lowest part of the food chain are the plants. They are called producers because they produce their own food using the sunlight's energy . This process is called photosynthesis. Animals are the consumers of the food chain. They eat other plants and animals. A consumer and producer in a food chain are involved when a deer eats a leaf.
What is the white solid that forms on corroded battery terminals?
We call any way that animals act, either alone or with other animals, animal behavior.