What is a variable?

A. A statement that explains a phenomena and can be tested.

B. An educated guess used in an experiment.

C. Something that must be kept constant in an experiment.

D. A value or characteristic that can take different values.

The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible?

Which best describes the testes? a. They produce hormones and sperm. b. They are the male copulatrry organ. c. They give sperm nourishment and motility. d. They are the pouch-like skin that protects the scrotum.

It is your turn to host your monthly "Scientists Are Awesome Club" dinner, and the theme of the dinner is mixtures. You want to make sure both homogenous and heterogeneous mixtures are present.

What is the role of membranes in the synthesis of proteins?

Select all the correct answer. Dan grows different crops on his land at specific times of the year, considering the prevalent climatic conditions.

Describe the central dogma of molecular biology, briefly describe the processes of transcription and translation.

magine that the animal body produced sperm and eggs with mitosis instead of meiosis. What chromosome number would the autosomes of the third generation have if the first generation had four chromosomes

A well supported testable explanation of phenomena that have occurred in the natural world is called

Why is it that traditionally woman in minorities have been underrepresented in the sciences? How does this change in your generation?

Which gas is a source of natural groundwater pollution im thinking its carbon