Which statement about Jupiter’s moon Io is true? It is the most volcanically active body in our solar system.

What observational evidence confirms that tidal heating is important on Io? The orbital resonance also gives Europa an elliptical orbit, so it also experiences tidal heating.

Io orbits Jupiter on an elliptical orbit, due to orbital resonances with other satellites.

Which statement below is true about the different colored horizontal layers that we see in the walls of the Grand Canyon? They are sediments deposited at different times in the past, so that layers near the bottom are the oldest and layers near the top are the youngest.

What are the different colored horizontal layers that we see in this photo of a wall in the Grand Canyon? They are sediments deposited at different times in the past, so that layers near the bottom are the oldest and layers near the top are the youngest.

Which of the following worlds is not considered a candidate for harboring life? Europa, Mars, the Moon. How does the habitable zone around a star a star of spectral type G compare to that around a star of spectral type M?

Habitable zone, the orbital region around a star in which an Earth-like planet can possess liquid water on its surface and possibly support life. Liquid water is essential to all life on Earth, and so the definition of a habitable zone is based on the hypothesis that extraterrestrial life would share this requirement.

Why do scientists say that evolution is a “theory”? Because it explains a great deal about life and is supported by an enormous body of evidence.

In biology, evolution is a process by which species change over time. Evolution is a theory — an explanation about how the world works, backed by evidence. The theory also explains how groups change. That’s because some individuals in the group survive to reproduce and pass on their genes.

Theory of Evolution. theory that states that organisms have changed gradually over a long period of time to form new organisms. Organic Evolution. The theory of evolution that states gradual changes in living organisms have resulted in more complex organisms.

Why do we say that life on Earth is carbon-based? Carbon forms the backbone of the molecules responsible for cell structure and function.

Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.

Why is carbon often called the building block of life? carbon atoms are the basis of the molecules that make up most living things. carbon atoms can form covalent bonds with up to four other atoms, including other carbon atoms. You just studied 19 terms!

Carbon is so important it is sometimes called the building block of life. Carbon atoms can bond together to form short or very long chains. All of this is possible because carbon is a small element that is capable of covalently bonding to four other atoms. Carbon atoms can bond together to form branching networks.

Cells are the basic building blocks of living things. Cells provide structure for the body, take in nutrients from food and carry out important functions. Cells group together to form tissues?, which in turn group together to form organs?, such as the heart and brain.

Life on earth would not be possible without carbon. This is in part due to carbon’s ability to readily form bonds with other atoms, giving flexibility to the form and function that biomolecules can take, such as DNA and RNA, which are essential for the defining characteristics of life: growth and replication.

9 Essential Facts About Carbon

• IT’S THE “DUCT TAPE OF LIFE.”
• IT’S ONE OF THE MOST ABUNDANT ELEMENTS IN THE UNIVERSE.
• IT’S NAMED AFTER COAL.
• IT LOVES TO BOND.
• NEARLY 20 PERCENT OF YOUR BODY IS CARBON.
• WE DISCOVERED TWO NEW FORMS OF IT ONLY RECENTLY.
• DIAMONDS AREN’T CALLED “ICE” BECAUSE OF THEIR APPEARANCE.

It would be impossible for life on earth to exist without carbon. Carbon is the main component of sugars, proteins, fats, DNA, muscle tissue, pretty much everything in your body. The reason carbon is so special is down to the electron configuration of the individual atoms.