Environmental Change Assessment

Multiple Choice

Different species of plants and animals in an area is _______.

• ecosystem

• biodiversity

• variation

• differences

Multiple Choice

The loss of a natural habitat is called _______.

• moving

• wild fire

• pollution

• habitat destruction

Multiple Choice

The breaking of habitats into smaller pieces is called _______.

• habitat breaking

• habitat pollution

• habitat destruction

• habitat fragmentation

Multiple Choice

Why is habitat fragmentation hazardous to animals?

• Habitat fragmentation does not pose a threat to animals

• Habitat fragmentation causes loss of habitat for many organisms

• Habitat fragmentation destroys an entire habitat

• Habitat fragmentation kills animals

Multiple Select

Which of the following pose a threat to biodiversity? Choose all that apply.

• invasive species

• habitat destruction

• population growth

• pollution

Multiple Choice

What makes a species "invasive"?

• species that cannot adapt

• making another species leave so that it can move in

• moving to a new ecosystem where it does not naturally belong and taking resources from natives

• taking up too much space

Multiple Choice

Extreme weather conditions, such as floods, forest fires, & hurricanes, are called _______.

• climate change

• precipitation

• weather

• natural disasters

Multiple Choice

Pollution causes harm to ...

• land

• water

• air

• all of these

Multiple Choice

If the population of a certain predator increases, the population of its prey often _______.

• decreases

• increases

• does not change

• moves

Multiple Choice

Which of the following is NOT a possible result of DECREASING biodiversity?

• increased ecosystem stability

• extinctions

• loss of natural resources

• loss of potential foods & medicines

Multiple Choice

Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This overfishing could cause ...

• ecosystems to be improved for future generations

• ecosystems to be severely damaged

• the restoration of environmental stability

• all other fish species to increase in number

Multiple Select

In some areas, foresters plant one tree for every tree they cut. This activity is an example of ... (choose 2)

• sustainable yield

• a good conservation practice for renewable resources

• selective cutting

• lack of concern for renewable natural resources

Multiple Choice

Why might an invasive species overrun a native species in an ecosystem?

• Its population size is smaller than the native species

• It is more energy efficient, so it eats less food

• It is a predator of the native species

• It often has no natural enemies in that ecosystem

Multiple Choice

What is the Greenhouse Effect?

• As carbon dioxide concentrations increase, temperatures increase

• Condition that is caused by carbon dioxide, methane, and water vapor trapping heat in the Earth's atmosphere

• causes sea levels to rise because it adds water to the ocean.

• The cooling of Earth due to air pollution.

Multiple Choice

Which of the following events would be MOST likely to add Greenhouse Gases to the atmosphere?

• Hurricane

• Tsunami

• Forest Fire

• Ecological Succession

Multiple Select

The following are Greenhouse Gases:

• Carbon Dioxide

• Methane

• Salt

• Phosphorus

• Water vapor

Multiple Choice

Why is Carbon Dioxide considered to be a Greenhouse Gas?

• It is a combination of natural and human forces

• It has a biogeochemical cycle

• It is a type of weather that occurs during a particular season

• It absorbs and reradiates infrared radiation to warm the Earth

Multiple Choice

What is one way volcanic eruptions can effect climate?

• When a volcano errupts, secondary succession begins

• Lava is hot which makes the community hotter

• Ash blocks sunlight, causing temperatures to drop

Multiple Choice

When did climate change (CO2 in the atmosphere) increase significantly?

• 1800s Industrial Revolution

• 1600s Industrial Revolution

• 1800 Crusades

• 1600 Crusades

Multiple Select

What are some potential consequences of climate change?

• The sea levels will rise putting seaside towns and cities at risk of drowning

• The sea levels will drop putting seaside towns and cities at risk of drowning

• More extreme weather

• Animals will be able to adapt to the changes

Multiple Choice

What is the definition of renewable energy sources?

• sources of energy that will never go away or be used up

• Sources of energy that can go away and be used up

• Wind, Solar, Hydro, Geothermal

• Coal, Oil, Gas

Multiple Choice

What is the definition of non-renewable energy sources?

• sources of energy that will never go away or be used up

• Sources of energy that can go away and be used up

• Wind, Solar, Hydro, Geothermal

• Coal, Oil, Gas

Multiple Choice

Causes of Climate Change are

• only human activity

• a combination of natural and human forces

• only natural forces

Multiple Choice

What is the direct cause of rising sea levels?

• Melting Sea Ice

• Melting Land Ice

• Climate Change

Multiple Choice

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

Multiple Choice

If humans cleared a forest to build homes, we would expect _____________.

• fewer tree-dwelling animals
• increased insect populations
• more development of soil
• more frequent thunderstorms

Multiple Choice

In which example does a nonliving factor affect an ecosystem?

• Insects destroy most of the trees in the forest

• A tornado uproots many trees in a neighborhood

• A beaver uses trees it cuts down to build a dam on a river

• People cut down trees to clear land for building homes.

Multiple Choice

How do the floods due to Hurricane Harvey Positively impact city of Houston?

• Fish will adapt to reproduce faster

• Many fish species will become extinct

• Many fish species will learn to escape fishing nets

• Fish will be caught more quickly with new fishing nets.

Multiple Choice

The nesting habits of four types of birds are above. If all the dead branches and dying trees in a wooded area are removed, which bird's nesting habit would be most affected?

• Baltimore Oriole

• Barn Swallow

• Downy Woodpecker

• Belted kingfisher

Multiple Choice

Which of the following would most likely result in a decrease in the population of insect-eating birds that build their nest on trees?

• Overhunting of animals that prey on birds

• Observation of birds by scientist

• Introduction of a new type of insect

• Clearing of forests to build a highway

Multiple Choice

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would increase fast
• The bird population would decrease

Multiple Choice

What would cause a decrease in the rabbit population?

• An increase in grass growing
• A decrease in caterpillars
• An increase in owls
• An increase in fox

Multiple Choice

What would happen if the mouse population went extinct?

• The Kestrel (Hawk) population would increase
• The Blackberry plants would increase
• The Rabbit population would decrease
• The grass would increase

Multiple Choice

Which of the following gets it's energy directly from a producer?

• Sun

• Plants

• Deer

• Snake

Multiple Choice

In the food web diagram, what do the arrows represent?

• Life Cycle

• Metamorphosis

• How food is produced by organisms

• The flow of energy through an ecosystem

Multiple Choice

Mold, fungi, and some types of bacteria are classified as decomposers. What is the role of a decomposer in a food web?

• break down waste and dead organisms

• use sunlight and water to produce their own food

• release oxygen into the atmosphere for respiration

• to provide the energy animals need for food

Multiple Choice

The diagram shows an incomplete food chain. Which of the following would best complete this food chain?

• Producer

• Consumer

• Decomposer

• Animal

Multiple Choice

The _________________ _________________ occurs when there is a reduction in population due to natural disasters, over hunting or disease.

• founder effect

• gene flow

• bottleneck effect

• genetic drift

Multiple Select

which one of these is a solution that can help resolve/reduce global warming? Select all that apply.

• Reuse, Reduce and Recycle!

• Share a ride, ride the bus, bike to school!

• Plant a tree!

• Blow into the air to produce more Carbon Dioxide in order to help plants live longer!

Multiple Choice

Which of the following is an example of an abiotic limiting factor on population size?

• water availability

• Availability of food

• disease

• predation

Multiple Choice

Owls and snakes eat mice and other organisms. What would happen to the mice population if the owl population decreased?

• The population would decrease, as the loss of owls as part of their diet is a limiting factor.

• The population would decrease, as shelters created by owl nests is a limiting factor.

• The population would increase, as competition for food is a limiting factor.

• The population would increase, as predation by owls is a limiting factor.

Multiple Choice

As a population recovers from reduction due to the bottleneck effect, the population will experience -

• a loss of genetic dicversity.

• migration.

• no change to allele frequency.

• genetic regulation.

Multiple Choice

What is gene flow?

• The addition or removal of alleles in a population due to individuals entering or leaving one population for another

• A change in allele frequencies when a new population arises from only a few individuals

• A reduction in population caused by natural disasters, disease, hunting, etc.

• A change in the gene pool due to chance

Multiple Choice

Which of these populations is most likely to decrease if the number of grasshoppers decreases?

• plants
• frog
• praying mantis
• owl

Multiple Choice

Natural disasters can also change ecosystems. What can organisms do if a disaster happens?

• Fight, Survive, Struggle
• Relocate, Adapt, Die
• Stay, Sleep, Survive
• Eat, Sleep, Repeat

Multiple Choice

An example of a natural change to the ecosystem is:

• A highway built in the middle of the desert. 
• Lightening strikes and starts a fire in the forest. 
• A rancher placing too many grazers in a small area leading to overgrazing.

Multiple Choice

6. A squirrel makes a change to its environment when it —

• climbs a tree
• digs a hole to bury an acorn
• collects acorns
• jumps from tree to tree

Multiple Choice

When a certain population becomes so dense that it harms or changes the quality of life in that environment, we have...

• a population
• overpopulation
• pollution

Multiple Choice

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?

• Predators of the bass might starve due to loss of a food source
• The population of the bass’ prey would decrease.
• The bass would spend more time swimming near the surface
• Water level in the lake would decrease as more fishing took place
  

Multiple Choice

In a grassland ecosystem, lions prey on wildebeest. The population of lions has declined steadily because of illegal hunting. What will most likely happen to the population of wildebeest?

• The wildebeest population will increase.
• The wildebeest population will decrease.
• The wildebeest population will remain the same.

Multiple Choice

In a food chain, foxes are consumers of rabbits and mice. If the mice population suddenly decreases, what will most likely happen to the number of foxes?

• The number of foxes will increase because they will eat fewer rabbits.
• The number of foxes will stay the same because they will eat more rabbits.
• The number of foxes will decrease because they will be eaten by the rabbits.
• The number of foxes will decrease because they will only have one remaining food source.

Multiple Choice

What would most likely happen if plant life was removed from a pond ecosystem?

• The level of the water in the pond would increase. 
• The number of fish would decrease due to reduced oxygen.
• The amount of sunlight reaching the bottom would decrease. 
• The number of fish would increase due to an increase in oxygen. 

Multiple Choice

What happens to the Lynx (red) population as the Hare (purple) population increases?

• The Lynx population stays the same
• The Lynx population increases
• The Lynx population decreases

Multiple Choice

What factors would cause an increase in the Wolves population between 1969-1979?

• Disease(canine parvovirus)
• Decrease in the Moose population
• Tick infestation
• Mild winters