First Quarter Exam in Earth and Life Science

In order for an organism to survive, nutrients are needed. What are the nutrients that planet Earth can offer for an organism to exist?

• Earth has an atmosphere and ozone layer.

• Earth has both water cycle and nitrogen cycle.

• Earth has natural activities to circulate nutrients.

• All of the above

Many studies have shown similarities of Earth and Venus. What makes Earth similar with Venus?

• Earth and Venus have the same orbit.

• Earth and Venus have the same diameter.

• Earth and Venus have the same atmosphere.

• Earth and Venus are of the right size to hold a sufficient atmosphere.

Imagine you're an astrobiologist preparing to explain to a group of students why Earth is uniquely suited to support life. You need to highlight the key factors that make our planet hospitable to humans and other living organisms. How would you describe the combination of factors that have allowed life to thrive on Earth, and why do you think these conditions are so rare in the universe??

• Earth is covered with 65% water.

• Earth thick atmosphere consisted mainly of carbon dioxide.

• Earth has active volcanoes like those that are found in Venus.

• Earth has an ozone layer to protect living organisms from harmful radiation.

Imagine you are a biologist studying the remarkable of life on earth. During your research, you come across a fascinating phenomenon; despite the many challenges and threats, every species seems to have a chance of survival. How would you explain this phenomenon, and what factors do you think contribute to the inherent ability of living things to adapt, evolve, and persist on our planet?

• Earth can provide food for the organism.

• Earth can protect the organism from any possible threat.

• Earth's temperature is mostly hot compared to other planets.

• Earth has the right amount of temperature, water, good atmosphere, and favorable climate.

Planet Earth is considered uniquely different from any other planets in the Solar system. Which among the given choices correctly answers the statement?

• Earth is the only planet that changes structure.

• Earth is the only planet that turns around in space.

• Earth is the only planet that is mostly covered with water.

• Earth is the only planet that is mostly made from rocks

When nitrogen is returned to the soil when dead plants decompose is an interaction that occurs in what system?

• biosphere and atmosphere

• biosphere and geosphere

• geosphere and atmosphere

• atmosphere and geosphere

A thin layer of solid rock that makes up the outermost part of the Earth is visible to which part of geosphere?

• core

• crust

• mantle

• biosphere

The atmosphere of the Earth is composed of ___ oxygen and _____ nitrogen and other gases.

• 0% and 100%

• 21% and 78%

• 78% and 21%

• 50% and 50%

Life is supported by oxygen and carbon dioxide. Which subsystem will best describe the statement?

• atmosphere

• biosphere

• geosphere

• hydrosphere

Which statement about the Earth's crusts is CORRECT?

• Continental and oceanic crusts have the same weight.

• Continental crust is heavier than oceanic crust.

• Continental crust is thicker than oceanic crust.

• Oceanic crust is thicker than continental crust.