A group of tissues that work together to perform a specific function is called

When food is being mechanically digested, it is being

The primary purpose of which human organ system is to produce hormones that regulate body functions?

Which gas is used by humans in the process of cellular respiration?

Which process occurs during the growth and development of a fertilized human egg?

The diagram represents 2 flies. They look similar but they can not sexually reproduce with each other and produce offspring. This means that the two flies most likely belong to ...

Abnormal cell division results in

The carbohydrates, proteins, and minerals that are vital to an organism's survival are found in

During the process of photosynthesis, green plants produce

The graphs show the populations of rabbits with 4 different fur colors in one area. Graph A represents the population of rabbits 10 years ago. Graph B represents the population of rabbits today.

At the end of the 10-year period, which color of rabbit appears to be best adapted to its environment?

The graphs show the populations of rabbits with 4 different fur colors in one area. Graph A represents the population of rabbits 10 years ago. Graph B represents the population of rabbits today.

Variations in traits, such as the fur color of rabbits, may be caused by

The diagram represents changes in the types of plants growing in the same area during 4 different time periods. Different types of plants have been labeled for each time period.

This change in plant types over time is an example of

The diagram represents the life cycle of a frog. This diagram shows that, in frogs,

The diagram represents a partial food web. Which organism in this food web decompose materials and recycle wastes?

All of the plants and animals living in the same area make up a

Which change would most likely cause a decrease in the number of squirrels living in an area?

The passage below describes how a catalytic converter in a car works

"Gases produced by a car's engine flow through the catalytic converter, which contains metals. These metals start a chemical reaction that makes the gases released by the car less harmful to the environment."

The catalytic converter most likely was developed in response to

The formation of rock fragments and soil is most likely the result of

All matter is made up of

The weather map below shows a low-pressure system over the eastern United States. Points A, B, C, and D represent locations on Earth's surface.

Which location is most likely experiencing rainy, unstable weather conditions?

In New York State there is a greater chance of precipitation falling as snow in January than in March, because in January the Northern Hemisphere is titled

Point X on the map represents a location in New York State

What is the approximate latitude and longitude of location X?

The photograph shows a large, deep channel that formed as a result of running water that removed the soil.

Which process was responsible for the removal of the soil?

The photograph shows a test for mineral property. Which mineral property is being tested?

The graph shows how water temperature affects the solubility of four different substances.

The solubility of which substance is least affected by the temperature of the water?

The movement of the liquid in a thermometer shows changes in temperature. An increase in temperature indicates the molecules in the liquid...

Which diagram represents folded rock layers?

A portion of the Periodic Table of Elements is shown below. The table provides a separate box for each chemical element, with all the elements in one vertical column having similar properties.

Which element is a noble gas?

The diagram below represents the same pendulum in four different positions. At what position is there the most potential energy in this system?

One characteristic that salt water and sugar-water have in common is, at room temperature, they are

The diagram below represents parts of a power facility that are used to produce electricity. What is the major source of energy for the production of electricity in this facility?

The illustration represents ballon A, which has an electrical charge. Balloon A would be most attracted to which balloon?

The diagram represents a beaker of water being heated by a flame. The arrows represent heat transfer occurring in the beaker.

Which process is represented by the arrows in the diagram?

The diagram represents energy transformations in a moving electric toy car. Which form of energy is the original source of power for this car?

The diagram represents a bar magnet. Six locations, A through F are labeled on the magnet.

Which two locations on the magnet would have the greatest attractive forces?

The Law of Conservation of Energy states that energy cannot be created or destroyed, but energy can change

The diagram represents a person using a spring scale to pull a wooden block up a ramp.

The plastic straws were placed under the wooden block to...

The diagram represents a person using a spring scale to pull a wooden block up a ramp.

The ramp would be classified as which type of simple machine?

The diagram represents liquid water in a pan on a hot plate. The liquid water is boiling and changing into water vapor.

The process of boiling is considered to be a...

The label shows some nutritional information for a box of macaroni and cheese. The calories on a food label indicate the amount of energy the food contains in one serving. Which form of energy is contained in food?

Nutritious food choices have less than 30% of their calories from fat per serving. The equation used to calculate the percent of calories from fat is given below:

% Calories from fat = (Calories from Fat/Calories) x 100

What is the percent of Calories from fat in one serving of this macaroni and cheese?

The data table shows the number of bacteria in two samples, A and B, growing in a laboratory over a five-hour period. Data were collected every half hour.

If the pattern of growth continues, how many bacteria will be in sample B when six hours have elapsed?

The diagram represents a graduated cylinder containing water before and after a rock suspended on a string is lowered into it.

What is the approximate volume of the rock suspended in the graduated cylinder?

The data table below shows information gathered from a science experiment. Time was measured in seconds (s) and distance was measured in meters (m).

Which grid is correctly designed to show these data in a line graph?