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93 Cards in this Set

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  • Back
The Mars Exploration Rovers were equipped with independent “legs” and wheels to give it ______________ and _______________.
Stability, flexibility
Instead of a hard shell, arthropods invented an __________________ to wear outside their body.
The exoskeleton is the most successful innovation that came from the ______________ explosion.
_____________________ were likely to be the fist animals to venture onto land.
Horseshoe Crabs
Over ____________ percent of known animal species are insects.
Flowering plants are classified as _____________________.
Flowers house both _______________ and ________________ reproductive organs.
Male, female
Flowers have evolved to use ____________________ as couriers for their pollen.
Flowers that can be pollinated by a wide variety of insects are ________________.
The dead horse arum attracts pollinators by smelling of ___________________.
Rotten Flesh
____________________ is the mutual evolutionary influence between 2 species that become dependent on each other.
Plants produce _______________ to function as a reward for visiting insects.
Current data suggest that 2 in 3 Americans is either __________ or ____________.
Obese, overweight
The BMI represents ___________ __________ ____________.
Body Mass Index
The BMI evaluates your ___________ in relation to your _________.
weight, height
If your BMI is greater than 30 you would be considered _____________.
If your BMI is between _______ & ________you would be considered overweight.
25, 29
A calorie is the amount of released heat to raise 1 kg of water by _________.
If you eat an extra 40-50 calories a day, you would be estimated to gain _____ pound(s) every year.
The equation for photosynthesis begins with carbon dioxide, sunlight, and water, to form, glucose, ___________, and water.
In plants, the green pigment that traps solar energy is known as __________.
The source of hydrogen needed for photosynthesis comes from___________
Obesity can result in a number of diseases such as heart disease, ___________, high cholesterol, osteoarthritis ___________ and ___________
diabetes, stroke, cancer
The splitting of uranium atoms, as used in the atomic bomb dropped on Hiroshima, is referred to as nuclear _____________.
The process of fusing hydrogen atoms to form helium, which releases huge amounts of energy, is known as __________.
Nuclear fusion
In ____________, ATP production is very low and there is a buildup of lactic acid as a byproduct.
anaerobic respiration
In aerobic respiration ________ is broken down in to water and _________.
glucose, CO2
__________ is required for aerobic respiration.
In anaerobic respiration glucose is broken down into __________ _________
lactic acid
In the Nazi gas chambers, __________ was used to cause death as this gas which blocks the enzyme that transfers hydrogen to oxygen.
hydrogen cyanide
Hydrogen cyanide inhibits ________ _________ by blocking the enzyme that transfers hydrogen to oxygen.
aerobic respiration
When you eat food, your body utilizes the __________ within it to make carbon dioxide and water.
In physical exercise ________ provides the chemical energy to power muscle contractions
Enzymes accelerate chemical reactions but remain __________ themselves.
_________ are proteins that facilitate biochemical reactions.
Your body is only a temporary home for hydrogen, oxygen, and _________ atoms
The French scientist, Antoine Laviosier, developed the Law of ________________to describe the fact that matter cannot be created nor destroyed.
Elevation of the body core temperature to a dangerous and often fatal level is known as __________.
The seasons on Earth are a result of the ______ of the axis.
The _______ is the portion of the Earth measured from the iron core, to the mantle.
Even though Venus is twice as far from the sun than Mercury, its surface temperature __________ than Mercury and is mostly likely the result of ____________ trapped in its atmosphere.
higher, CO2
The thin layer of air that has been captures and is maintained by Earth’s gravity is known as the __________.
The Earth’s ________ contains all of the water on the planet, of which the vast majority is in the form of _________.
hydrosphere, salt water
The amount of carbon dioxide in the atmosphere on Earth is maintained by the __________, which absorbs it through photosynthesis but produces it as a result of respiration.
The _______ greenhouse effect is most associated with human actions stemming from the burning of fossil fuels and which may be causing changes in Earth’s climate.
Earth’s seasons are due to the _________° tilt of it’s axis in relation to the sun.
The ________ extends from the crust to the upper most layer of the mantle.
The hydrosphere consists of all the _________ found on Earth.w
The ocean accounts for ____________ of Earth’s water
The atmosphere of Earth consists of ____________ nitrogen and 21% _________.
78%, oxygen
The ______ hypothesis states that the extinction of the dinosaurs was facilitated by a large _______ hitting Earth.
alvarex, asteroid
A very accurate way to date living and non-living material using the predicted decay of certain elements is called __________.
radiometric dating
The element _________ is often used for dating very old objects like the Earth, because it has a half-life of over 4.5 billion years.
The _______ is a part of Earth’s history when the planet was constantly bombarded with meteors and the surface was liquid rock.
magma ocean
The ______ catastrophe occurred when the heavy elements sunk to the core of early Earth.
The magnetic field of Earth protects us against the ________ which is radiation given off by our sun.
solar wind
The collision between Earth and a Mar’s sized planetoid created our ______.
Two sources of the water on our planet are likely from ________ and ________.
volcanos, comets
Early life on Earth is hypothesized to be similar to life surrounding _________ in the deep oceans, where energy from hydrogen sulfide is used.
hydrothermal vents
The amount of oxygen in our current atmosphere is a result of billions of years of photosynthesis by ___________.
Evidence suggests that Earth and the ___________ ___________ were formed at the same time.
Solar System
In radiometric dating scientists determine the amount of time required for _____ of the radioactive element to be converted into product.
___________ has a ½ life of 5703 years, which makes it suitable to date ________ samples.
Carbon14, young
Earth’s liquid iron core flows and rotates gave rise to the ___________ _________, which protects us from solar winds.
magnetic field
The first life on Earth lived in a very hostile environment, where bacteria survived only deep below the surface by extracting chemical energy from ______________ ____________
hydrogen sulfide
The cooling of Earth’s crust occurred ____________ in earth’s formation.
The atmosphere on Earth reached _________ oxygen about 560million years ago
The technique called _____ fertilization has been used for about 30 years to assist couples who have had difficult conceiving a child on their own.
in vitro
In vitro fertilization is when the ________ is fertilized outside of the ___________.
egg, universe
The _______ experiment was conducted by a graduate student in 1953 who demonstrated that the early Earth could have produced compounds, like amino acids, necessary for life.
The collision of _______ with Earth has been shown to cause the formation of peptides, the chemicals which make up proteins.
Three basic characteristics of life include the abilities to ______, ______, and _______.
use energy, reproduce, evolve
The formation of _______ , which surround all cells and act as a container for life, has been accomplished by scientists interested in the formation of early life on Earth.
Once all elements in the center of a star have been utilized for energy, the star reaches the ______ barrier.
In order for heavy elements to be produced, a star must ______, which generates tremendous heat allowing for the formation of many of the elements found I the universe.
A ________ can be made by stringing together the correct sequence of nucleotides together.
The 3 requirements of life include energy for growth and change, to___________, & to___________
reproduce, evolve
Stars are formed by the fusion of 3 ________ nuclei to produce carbon.
A star explosion, know as a ____________ __________, occurs when ________ cannot be fused further.
super nova, iron
All of the hydrogen, carbon, oxygen, nitrogen, calcium, and iron in our body come from _________ _________ that was released by stars upon their death.
star dust
Living organisms are composed of 49%___________, 24%__________, and 24% oxygen.
hydrogen, carbon
The theory that life arose on Earth from organic building blocks that were present in the water on Earth’s surface is known as the __________ hypothesis.
In her experiments, Jennifer Black demonstrated that the intense heat and pressures meteorites experience during entry into earth’s atmosphere actually causes amino acids in a meteorite to form __________
Energy powers life through the inter-conversion of water and carbon dioxide to form __________.
The inhospitable caves known as Caeva De Willa Luiz in Mexico are home to bacteria which form large colonies that drip from the ceilings. These colonies are called _________.
Lake Vostok is a large body of water which is located about 4,000 m below the ___________ ice sheets and contains abundant life which can tolerate the extreme cold.
Bacteria live 3.5 km underground within the Earth’s crust and gain their energy from _______ gas
______, a moon of Jupiter, is hypothesized to have a liquid ocean capable of supporting life under its thick ice caps.
SETI was the first scientific organization to look for evidence of ______________
extraterrestrial intelligence
The equation formulated in the 1960’s to estimate the possible number of intelligent civilizations in the Milky Way Galaxy is called the _______ equation.
Although it is currently impossible to see distant planets around other stars using telescopes, we can detect them because the planets exert a gravitational pull on the stars that they orbit. This pull causes the star to _________.
________ telescopes were the first type of telescopes employed to look for the signals of communication from distant civilizations.
One argument for the presence of intelligent life elsewhere in our galaxy assumes that because _________ evolved, the conditions of the universe must be suitable for intelligent life to evolve elsewhere.