Which of the following is an example of an inference?

Which of the following types of data includes the use of tools as an extension of our observations to measure numerical values?

An experiment was performed to see how fertilizer affects the number of apples produced by an apple tree. The independent variable would be

A student examined a fossil sample and described it as having particles that were 5 millimeter to 15 millimeters in size. The student was making an

An experiment was performed to see the effects of sunlight on the growth of flowers. Two identical flowers were planted in identical pots containing equal amounts of soil. One flower was placed in a room with no light and the other was placed in a room with plenty of light. The dependent variable is the

Which cell structure controls what materials enter and leave a cell

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

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

A student viewing a cell with a microscope observes a cell wall, a cell membrane, and a nucleus. The presence of these structures indicates that the student is looking at a cell from a

What part of a plant does photosynthesis occur in?

What is the highest magnification that can be obtained with a microscope that has a 10x eyepiece and 40x objective lens?

Why is an organism that reproduces asexually genetically identical to its parent?

Compared to the amount of genetic information contained in a normal human body cell, the amount contained in a normal human sperm cell is

A cut on a finger heals through the process of

Fertilization results in

Cancer is the result of

A fertilized human egg grows and develops through the process of

Which sequence lists the hereditary material found inside cells from the smallest unit to the largest unit?

In a Punnett Square, when a recessive homozygous (gg) and a dominant homozygous (GG) are crossed, what percent of the offspring will receive a dominant allele?

IF two heterozygous/hybrids are crossed. what percent of the offspring will be homozygous/pure recessive?

The bands show the locations of

What is transferred from generation to generation when traits are passed down?

What can be used to trace a trait from one generation to the next

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

When the fur of an animal blends in with its environment, it is an example of

Genetic abnormalities at birth that were not present in previous generations are most likely the result of

When the environment changes more quickly than a species can adapt, the species may become

During photosynthesis, autotrophs trap light energy, take in ____________ and _____________ to make sugar and release oxygen.

Organisms are classified as producers or consumers according to the way they

Paramecia are single-celled organisms that obtain food in order to

What products are produced as WASTE during cellular respiration?

Which gas is needed for cellular respiration to occur?

What do plants produce during photosynthesis?

Which natural resource is considered non-renewable?

Competition within a population of rabbits may increase if there is an

Which type of organism recycles matter/nutrients by breaking down and converting wastes and the remains of dead organisms?

All of the different organisms interacting in a lake make up

Bears are classified as omnivores because they eat

A community of carnivores in an ecosystem may

Which human body system produces hormones in order to regulate the body?

A group of the same type of cells working together to perform a common function are known as

What causes infectious diseases?

Which of the following is considered an infectious disease?

The diagrams below represent some respiratory structures in different organisms. The respiratory structures in these organisms all have a similar function, which is to ______________.

Which sequence identifies the levels of organization of body structures in a human from simplest to most complex?

As time passes, how can you tell which traits (such as fur color) is best adapted to its environment?