Development of Earth + Evolution

Why was the Earth inhospitable for life when it began?

• Moderate temperatures, presence of oxygen, low levels of radiation
• Lack of sunlight, high levels of nitrogen, extreme pressure
• Extreme temperatures, lack of oxygen, high levels of radiation
• Abundance of water, low levels of carbon dioxide, stable climate

Which evolved first?

• Single-celled organisms

• Land animals

• Plants

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

____________ is the word meaning the variety of species in an area.

Tags

NGSS.MS-LS2-5

What evidence supports the theory of plate tectonics?

• Distribution of fossils, shape of continents, and matching geological formations

• Magnetic field reversals, climate change, and asteroid impacts

• Volcanic activity, earthquakes, and mountain ranges

• Ocean currents, wind patterns, and solar radiation

Tags

NGSS.MS-ESS2-3

What is mass extinction and episodic speciation?

• Mass extinction is a gradual increase in biodiversity on Earth
• Episodic speciation refers to the extinction of species over time
• Mass extinction is a sudden increase in the number of species on Earth
• Mass extinction is a widespread and rapid decrease in the biodiversity on Earth, while episodic speciation refers to the occurrence of new species in bursts or episodes.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

What does a phylogenic tree show?

• Illustrates the population density of different countries
• Evolutionary relationships among different species or groups of organisms.
• Displays the nutritional content of various foods
• Shows the weather patterns in different regions

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

How do you use a phylogenic tree?

• Compare branching patterns and positions to infer evolutionary relationships and common ancestors.

• To predict the weather based on the tree's branches
• To count the number of leaves on the tree
• To determine the age of the tree

Tags

NGSS.MS-LS4-2

What molecule is required for life to begin self-replicating?

From deepest to outmost, which answer properly orders the layers of the Earth?

• inner core, outer core, mantle, crust, atmosphere

• crust, mantle, outer core, inner core, atmosphere

• mantle, outer core, inner core, crust, atmosphere

• outer core, inner core, crust, mantle, atmosphere

The inner core of the Earth is...

• liquid layer primarily composed of oxygen and carbon
• solid sphere primarily composed of iron and nickel
• gaseous core made of hydrogen and helium
• hollow shell filled with water and sand