Ecology Ch 4 Practice Exam

Which coping strategy would be preferable for a mobile organism in a river?

a. Avoidance

b. Tolerance

a. Avoidance

___ are good indicators of the physical environment.

a. Animals

b. Temperature

c. Plants

d. Climate

c. Plants

Which scenario best illustrates acclimatization, not adaptation?

a. A salamander increases red blood cell production within weeks of moving

to a higher elevation

b. A bird species starts to breed in winter due to climate change

c. Tibetan highlanders evolve larger lung capacity to adapt to hypoxic conditions

d. A tree species develops thicker bark over time to respond to wildfires

a. A salamander increases red blood cell production within weeks of moving

to a higher elevation

Which of the following correctly matches each type of energy exchange with its

definition?

a. Conduction—transfer of energy from warmer to cooler molecules.

b. Convection—water absorbs heat as it changes state from liquid to gas.

c. Latent heat transfer—heat energy is carried by moving water or air.

a. Conduction—transfer of energy from warmer to cooler molecules.

What is water balance intrinsically tied to?

a. Body mass

b. Salt balance

c. Body temperature

d. Biochemical reactions

b. Salt balance

Which of the following correctly matches each type of water variation with its

definition?

a. Isoosmotic: Water stays still

b. Hyperosmotic: Water moves out of high-solute cell and swells

c. Hypoosmotic: Water moves into high-solute cell and shrinks

b. Hyperosmotic: Water moves out of high-solute cell and swells

Marine organisms live in _____ environments

a. Hyperosmotic

b. Hypoosmotic

c. Isosmotic

c. Isosmotic

How do insects prevent water loss?

a. Through hair

b. Through outer skin

c. Through thin skin

d. Through exoskeleton

d. Through exoskeleton

Which of the following correctly shows the size of different soils?

a. Coarse sand > silt > clay > medium sand

b. Clay > silt > sand > dirt

c. Coarse sand > fine sand > silt > clay

d. Silt > sand > clay > fine sand

c. Coarse sand > fine sand > silt > clay