A major function of a plant’s roots is to

Which type of relationship exists when a certain type of tree’s roots need a fungus present in order to grow normally?

Which process releases energy from digested food?

Most hormones are produced by which human organ system?

Which process results in the formation of a new cell with a full set of chromosomes?

Specialized cells protect the human body from disease-causing microbes by

Which model can be used to trace genetic inheritance?

The transfer of a section of DNA from one organism into the DNA of another organism by scientists is called

A green plant absorbs light. A frog eats flies. These are both examples of how organisms

A body cell that is undergoing abnormal cell division is most likely

A main function of a plant’s seed is to

In addition to cytoplasm, most human body cells also have

When a plant dies, the materials in the plant

Which sequence represents increasing levels of organization in the human body?

The breaking down of food in the human digestive system is both chemical and

Which human organ system removes liquid and gaseous waste from the body?

Which substance is produced during cellular respiration?

Chemicals that regulate and control human body functions are known as

The sequence below represents the organization of the genetic information in the nucleus of a cell. One term in the sequence is represented by X.

DNA → X → chromosome

The X in the sequence most likely represents a

The sum of all chemical reactions in an organism is called

Which process takes place within chloroplasts?

The energy required for organisms to respond to the environment comes from

A most likely cause for a person’s loss of body weight might be taking in

Organisms are classified as producers if they are able to

Which food chain best represents the transfer of energy from plants to mountain lions in this food web?

The original source of energy for this pond area is the

The main function of the potato plant’s stem is to

The shape of Earth is best described as

Which part of a cell allows nutrients and other materials to enter or leave the cell?

Hereditary information is found in a cell‘s

What is a major cause of variation within a species?

Which process is shown in the diagram below?

A male chimpanzee has 48 chromosomes in each of his regular body cells. How many chromosomes would be found in each of his sperm cells?

Which body system performs this function in humans?

The energy content of food is measured in

What makes it possible to see the Moon from Earth?

The solid part of Earth's surface is called the

Which two processes result in the formation of igneous rocks?

What process is occurring that makes the child‘s breath become visible?

In which situation is a chemical reaction occurring?

Which cell structure is found in plant cells, but not in animal cells?

Which cell structure is found in plant cells, but not in animal cells?

Amebas are single-celled organisms that need to obtain food in order to

What do the rabbit, fungus, and tree have in common?

Which term identifies a group of cells of the same type working together to perform a common function?

What is the main function of the labeled structure(s) in each organism?

Which human digestive process is most similar to this activity?

One function of the human excretory system is

Which term is used to describe the sum of all the chemical processes in the human body?

Which process is best represented by this sequence of diagrams?

The numbers in the drawing represent the number of

Abnormal cell division causes which health problem?

Which process is responsible for this type of adaptation over time?

Which adaptation protected the dark-colored moths from predators?

Which part of the cell is labeled A in both diagrams?

A group of organs working together to perform a

certain function is called

The information below describes a relationship between a type of fish known as a goby and a species of blind shrimp.

The shrimp digs a hole that provides shelter for itself and the goby fish. The goby fish lives at the opening to the hole and watches for predators. When a predator swims by, both organisms quickly move farther into the hole for safety.

The relationship between these two organisms is best described as

The information below describes a relationship between a type of fish known as a goby and a species of blind shrimp.

The shrimp digs a hole that provides shelter for itself and the goby fish. The goby fish lives at the opening to the hole and watches for predators. When a predator swims by, both organisms quickly move farther into the hole for safety.

The relationship between these two organisms is best described as

As a result of the change in the forces from time 1 to time 2, the bicyclist will

How many meters from the fulcrum to the applied force would allow this weight to be lifted using only 10 N of applied force?

As the amount of light received by this plant increases, its rate of photosynthesis

According to the graph, the Sun is best described as

The actual position of the fish is different from the apparent position of the fish because as light travels from the water into the air, the light is

Which statement is supported by this diagram?

Which table correctly identifies the phases of matter represented by the diagrams?