Benchmark Review 1

• A
• B
• C
• D

Biodiversity contributes to the sustainability of an ecosystem because

• All the organisms in the ecosystem have genetic material
• there is an increased chance for organisms to survive changes
• organisms are allowed to respond to internal and external stimuli
• the flow of energy in an ecosystem remains constant

3.  Which diagram illustrates the force exerted by turgor pressure to split open the seed coat?

• A
• B
• C
• D

During the process of photosynthesis, radiant energy is transformed into which type of energy.

• Chemical
• Mechanical
• Nuclear
• Thermal

5.  What was the change in elevation, to the nearest ten meters, for the family that took the steepest path to point X.

• 40 m
• 120 m
• 260 m
• 600 m

How can Newton's law of action-reaction best be applied to explain the movement of a rocket?

• As the fuel burns, gasses push against the rocket, moving it upward
• As the fuel burns, gases move out of the rocket and reduced air pressure.
• As the fuel burns, the mass of the rocked decreases.
• As the fuel burns, the rocket move faster.

Which of the following would cause the greatest increase in soil erosion?

• Glaciers
• Gravity
• Running Water
• Air

The constant changing of the Earth's surface is mainly due to the _______

• Average Annual Rainfall
• Number of meteors found in the night sky
• Increased amount of decaying soil.
• Action of Wind, Water, Ice, and Waves.

Different organisms have specific roles in cycling matter within an ecosystem.  Which type of organism has the role of recycling nutrients within the ecosystem?

• Consumer
• Decomposer
• Producer
• Predator

All of the following contribute to the decrease of biodiversity except ___

• habitat destruction
• overfishing
• conservation of natural resources
• oil spills