Ecosystem Quiz

Which terrestrial ecosystem would require animals to burrow underground for shelter?

• deciduous forest

• grassland

• rain forest

• swamp

Which best describes the environmental conditions that organisms must tolerate when living in estuary and salt marsh ecosystems?

• changing water levels and salinity

• changing amounts of food and sunlight

• changing sediment and geologic features

• changing wind speeds and rainfall amounts

Which is a similarity of estuaries and oceans?

• They are both very deep.

• They are both the same size.

• They both contain salt water.

• They both have few predators.

How do the conditions for plants growing close to the ground differ in grasslands and forests?

• The plants receive more water in grasslands than they do in forests.

• The plants receive more sunlight in grasslands than they do in forests.

• The plants are less affected by wind in grasslands than they are in forests.

• The plants are less affected by pests in grasslands than they are in forests.

Which aquatic ecosystem would require animals and plants to survive in salt water?

• estuary

• lake

• pond

• river

Which is a function of the digestive system?

• to create blood

• to circulate blood

• to produce oxygen

• to turn food into nutrients

How does the muscular system differ from the skeletal system?

• The muscular system helps the body move.

• The muscular system does not include bones.

• The muscular system functions independently from other systems.

• The muscular system is dependent on other systems to function properly.

Which system is responsible for protecting most internal organs?

• digestive

• cardiovascular

• circulatory

• skeletal

Which are included in the circulatory system?

• nose, trachea, and lungs

• heart, vessels, and blood

• brain, spinal cord, and nerves

• esophagus, stomach, and intestines

Which system carries oxygen and blood to all body systems?

• circulatory

• digestive

• muscular

• respiratory