8th Grade EOG Review

This equation represents:

Which factors can have the greatest effect on the health of a river system? 

Abiotic factors include:

The part of the atom that has a negative charge

Biotic factors include:

help support evidence that organisms derived from a common ancestor

Which is an example of a renewable energy resource? 

How can the rate of an infectious disease by drastically reduced?

Principle that states  younger rocks lie above older rocks, if  layers haven't been disturbed.

Cracks in the ocean crust that release mineral-rich water heated by the Earth's interior.

In the food chain, who is the producer?

Process where glucose and oxygen break down to release carbon dioxide, water and ATP

Type of science that allows altering DNA of plants so it will contain more protein and flavor?

Atomic number = number of ____________

Which type of infection is best controlled with antibiotics?

A porous rock layer underground that is a reservoir for water

What does the image represent in determining water quality?

Which is the best way to help prevent the flu from becoming a pandemic? 

Which best determines the number of wolves that can live in an area?

Process whose products include glucose and oxygen

Brings up cold, nutrient-rich waters from the deep ocean to the surface

What process is most responsible for the extinction of most species that once lived on Earth?

What do earthquakes tell scientists about the history of the planet?

Term used to describe an area that drains into a smaller river or stream

Which food provides the most energy for the body in the shortest amount of time? 

Examples of renewable energy:

The change in inherited characteristics of biological populations over successive generations

A break or crack in the Earth's crust along which movement occurs:

In which oceanic zone do clams and crabs survive by burrowing in the sand?

Nitrogen fixing bacteria attach to these so they can help create ammonia in the nitrogen cycle:

What is involved in creating genetically modified bacteria?

The water found in cracks and pores in sand, gravel and rocks below the earth’s surface:

In water quality indicators, the cooler the temperature, the greater the presence of : 

If a body of water has high turbidity levels, what can most likely be concluded? 

How could the agricultural biotechnology industry have a positive impact on the environment?

Era in geologic time scale when dinosaurs were present:

Dolphins and whales may have evolved from a common ancestor. What evidence supports this?

Which would best allow a species to survive environmental changes? 

Which will most likely result if there is increased upwelling in a coastal area?

A partially enclosed body of water where fresh and saltwater meet and mix

Used to map the ocean floor using sound navigation and ranging

Why do doctors suggest that people get a flu vaccine each year?

The smallest nonliving type of pathogen

What scenario could best explain why ten people get sick with the flu after attending a dance?

Why is a healthy diet important?

In the US, who is responsible for ensuring the safety of the country’s drinking water?

Where is the largest amount of energy in this food web?

Resource that cannot be re-made or re-grown at a scale comparable to its consumption.

When 2 organisms attempt to use a resource in the same place at  the same time

Gold, oxygen, silver and nitrogen are examples of

Where do plants get most of the energy they need to live and grow?

This equation represents:  

What does the picture represent:

Type of relationship where one benefits and one is harmed

Time needed for half of a sample of a radioactive substance to undergo radioactive decay.

Used for muscle development, growth, rebuilding and repairing cells, organelles, and tissues.

In the food chain , who is the secondary consumer?

Chemical reaction begins with 10 carbon atoms, how many carbon atoms should be in products? 

Which of these careers would a student studying biotechnology most likely pursue?

Type of rock formed from sediments compressing together forming layers

What type of pollution is shown in picture?

In the food chain, who is the primary consumer?

Which shows one example of a physical change and one example of a chemical change?

Using the image which of the driving forces of evolution does this represent:

Rows in the periodic table are called:

Malaria is a common disease in many countries. What is the cause of this disease?

The sudden outbreak of a disease can be classified as an epidemic or a pandemic depending  on: