Humans and the Ocean

Humans ______________ and ________________ many living and nonliving resources from the ocean.

• depend; survive

• drink; eat

• extract; rely on

• remove; destroy

___________________ is one of the primary living resources humans utilize from the ocean.

• Salt

• Coral

• Water

• Seafood

The marine environment also provides resources for _________________ and _________________ .

• commerce; recreation

• plants; animals

• cities; farms

• economies; agriculture

Humans travel to coastal areas to partake in recreational activities including all of the following EXCEPT

• fishing

• skiing

• snorkeling

• diving

All of the following are nonliving, nonrenewable resources provided from the ocean EXCEPT

• oil

• gas

• water

• minerals

A nonrenewable resource is

• a resource that is not replenished at the rate at which it is used.

• a resource that is quickly replenished at the rate at which it is used.

• a resource that is replenished at the rate at which it is used.

• a resource that is not replenished at the rate at which it is produced.

The overall health and functioning of ocean ecosystems are _________________ as a result of human impacts.

• depleted

• increasing

• stabilized

• declining

_______________________________ is the introduction of a substance or energy that results in a change in the quality of the ocean.

• Marine pollution

• Aquaculture

• Biomagnification

• Invasive species

____________ is/are one of the most widespread pollutants in the ocean, entering both from runoff and oil spills.

• CO₂

• Oil

• Plastics

• Pesticides

Which of the following are considered persistent toxins, because they remain in the environment for years or even decades?

• pesticides

• plastics

• heavy metals

• algae

• oil