Melting and cooling are examples of ________________ changes of matter.

What would increase sustainability of aquatic species when it comes to fishing?

Mosquitoes transfer the protozoa that cause malaria.  What role does the mosquito play in this disease transmission?

What event increases the salinity of the ocean?

What can decrease the salinity of the ocean?

Bacteria is an important part of which cycle that provides nutrients for plants?

Two species of frogs are in an ecosystem.  One frog can see better at night and the other can see better during the day.  Prey is mostly available at night.  Which frog will most likely survive and be seen in future generations?

What is the difference between an epidemic and a pandemic?

Genetic engineering, stem cell research, genetic testing, modifying crops, making vaccines are all in the field of ____________________.

How does an upwelling benefit aquatic life?

Which of the following would indicate good water quality?

How does drought affect surface and groundwater levels?

If the mass of the reactants in a chemical reaction is 500 grams, the mass of the products at the end of the reaction must be _____________.

Which of the following is an ABIOTIC factors in an ecosystem?

What is the difference between Carbon (C) and Carbon Dioxide (CO2)?

The relationship between two different species in an ecosystem is called symbiosis.  Which of the following describes MUTUALISM?

A tick on a person is an example of what type of symbiotic relationship?

The plover bird cleans the parasites and food scraps out of a crocodile's mouth.  What type of symbiotic relationship is this?

About half of the adult population has mites that live in our eyelashes.  The mites feed on our dead skin cells but do not cause any harm to us.  Which symbiotic relationship is this an example of?

Why are fossils not found in igneous rocks?

Fossils on separate continents, continents seem to fit together, evidence of different climates in the past are all evidence used to support _______________________.

What is the distribution of salt and freshwater on Earth?

Of all the water on Earth, only 3% is freshwater (not salty).  Where is the freshwater located?

What recharges (puts back) groundwater in aquifers?

What would happen to an ecosystem if toxins kill aquatic plants?

The term for resources that we cannot run out of like solar and hydroelectric power.

Melting icebergs and glaciers would have what affect on the salinity of the ocean water?

What affect would a large amount of evaporation have on the hydrosphere?

An aquifer with low turbidity (clear), high DO, and a pH 7 is considered safe for _____________.

Regulating the type and amount of fertilizer used would have what affect on the environment?

Condensing and freezing are ___________________ changes.

Two students mix baking soda and vinegar in a plastic bag.  The bag is sealed and the students notice that bubbles form and the bag expands.  What type of change is happening?

Drinking water is usually obtained from rivers and lakes.  Why do we use these sources?

H2O and H2O2 are pure substances.  What else makes them alike?

Why is CO2 not on the periodic table?

Cloned animals are genetically _________________.

Parasites and fungi are alike by _______________.

Water filtration removes parasites and not viruses because _________________.

2 Li atoms react with 2 Cl atoms.  How many Li atoms are in the product?

What microbe takes over a host cell to replicate?

What type of substance can be separated by physical means such as being filtered?

What are the reactants of cellular respiration?

In which process is oxygen a product (something that is created)?

Salt dissolving in water is a ______________ change.

Which of the following is the best example of a chemical change?

Which characteristic of water quality provides the most information regarding the health of a water system?

What effect does the water cycle have on the total amount of water on Earth?

Making insulin to use for diabetic patients can now be done by using bacteria.  In which area of science would these scientists most likely work?

What happens to most of the energy as it moves through a food web?

Where do plants get the food they need for energy?

What is the beginning source of energy for the water cycle and food webs?

Which infections would most likely be treated with antibiotics?

Which is classified as an element?

How can biotechnology help to improve the agricultural industry?

Ice cores are used to study ________________.

Which best represents the flow of energy within an aquatic ecosystem?

Which is classified as an element?