Earth's Environmental Systems Quiz

Because of their large size, proteins, nucleic acids, carbohydrates, and lipids are together called

• solutions

• elements

The basic units of matter, the smallest units that maintain the chemical properties of an element, are called

• atoms

• lipids

• compounds

• molecules

Why is water often called 'the universal solvent'?

• It can dissolve many other molecules.

• Water can turn into a solid form.

Predator prey relationships are an example of a

• system with no feedback

• positive feedback loop

• negative feedback loop

• destabilizing system

Which sphere of Earth is made of all the rock above and below Earth's surface?

• lithosphere

• geosphere

The lithosphere is carried on a softer, but still firm, layer of rock called the

• geosphere

• core

• crust

Which sphere are humans a part of?

• geosphere

• hydrosphere

• biosphere

• atmosphere

A change in state in which water returns to Earth's surface and changes from a vapor to a liquid is called

• condensation

• transpiration

• evaporation

• recharge

Matter that organisms require for their life processes are called

• legumes

• decomposers

• fertilizers

What products are created by the process of photosynthesis?

• the sun's light and energy

• carbon dioxide and water

• oxygen and carbohydrates

• phosphorus and nitrogen