Human impact on Ocean Pt.1

Multiple Choice

Is the following an example of a positive or negative impact on the earth's ocean systems?

Artificial reefs placed on the seafloor enhance marine life by creating new reef habitats.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Multiple Choice

All of the following are human impacts on the oceans: pollution, overfishing, bycatch, and decreased biodiversity.

• True

• False

Multiple Choice

What is an oil spill?

• A release of oil into the environment

• When an oil tanker gets hit and oil spills, into the ocean

• When oil spills in the ocean and land

• All of the above

Multiple Choice

When oil spills occur what is it that typically pollutes the ocean?

• crude oil

• gasoline

• diesel

• methane

• natural gas

Multiple Select

Animals that were impacted by Deepwater Horizon oil spill...(Select all that apply)

• pelicans

• sea turtles

• salmon

• coral

• alligators

Multiple Choice

An oil spill clean up method that aims to ride the oil from the ocean...

• In-situ burning

• Slash and burn

• Chemical dispersants

• Fire retardant

• Oil bombs

Multiple Choice

When oil from an oil spill reaches the coastline and washes up on beaches it infiltrates the sand and creates something called...

• tar balls

• dispersants

• oil booms

• black gold

Multiple Choice

Which statement about oil spills is CORRECT?

• Pollution always stays in one place because it can’t move to new areas.

• Plants don’t get sick from pollution.

• If water gets polluted, all of the animals that live there will find a new place to live.

• If water gets polluted, fish and plants will get sick.

Multiple Choice

when microorganisms like bacteria or plants are used to clean up oil spills by "consuming" crude oil, that is called...

• bioremediation

• biotechnology

• biodegradation

• green infrastructure

• green eutrophication

Multiple Choice

A chemical mixture of emulsifiers and solvents that helps break oil into small droplets to spread out throughout the entire water column of the ocean is called...

• contaminants

• dispersants

• cleaners

• petroleum

• polymers

Multiple Choice

Rain or meltwater that doesn't soak into the ground and flows over the Earth's surface is called

• stormwater runoff

• precipitation

• infiltration

• groundwater

Multiple Choice

What type of pollution can stormwater carry?

• toxic chemicals

• E.coli bacteria

• sediment

• nutrients

• All are correct

Multiple Choice

Eutrophication is caused by

• excess nutrients building up in the water.

• industrial point-source pollution.

• unlined landfills and septic tanks.

• wastewater from homes mixing with drinking water.

Multiple Choice

How are plants important in stopping runoff from getting into nearby waterways.

• increase amount of water

• absorb water

• look nice

Multiple Choice

How does eutrophication cause the death of aquatic organisms

• the build up of carbon dioxide in the water

• the lack of nitrogen in the water

• the lack of carbon dioxide in the water

• the lack of oxygen in the water

Multiple Choice

Dirt and soil that washes into rivers is called

• Gross Pollution

• Sediment

• Pathogens

• Point Source Pollution

Multiple Choice

Which type of pollution can lead to harmful "algal blooms"?

• thermal pollution

• oil spills

• nutrient pollution

• bacteria

Multiple Choice

What causes most coastal pollution in the United States?

• overfishing

• temperature changes

• industrial waste and sewage

• lakes and ponds

Multiple Choice

What term is used to describe when concentrations of a harmful substance increase in organisms at higher trophic levels in a food chain or food web

• biodiversity

• biological magnification

• keystone species

Multiple Choice

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

• All of the toxins

• 10% toxins

• 1% toxins

• None of the toxins

Multiple Choice

Which trophic levels are at the highest risk because of biological magnification?

• carnivores

• producers

• herbivores

Multiple Choice

In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)

• grass

• rabbit

• snake

• hawk

Multiple Choice

Which organism would have the most bioaccumulation?

• eucalyptus tree

• wombats

• kookaburras

• koalas

Multiple Choice

Threats to ocean ecosystems are

• nutrient runoff and industrial waste discharges.

• overfishing and entanglement of marine mammals in trawl nets.

• sewage and algal blooms.

• All answer choices