Which is a defining trait of a mineral? A. dull B. indefinite shape C. inorganic D. made of sulfur

What bones fuse together during childhood?

Describe the gut and nutrient absorption.

A dog that has been trained to salivate at the sound of a bell is an example of _[blank]_. conditioning innate behavior habituation survival behavior

The stage of the cell cycle where the nucleus divide into two nuclei is called?

Of all the atmospheric layers, the troposphere has the a. highest temperatures. b. lowest temperatures. c. highest density. d. lowest density.

Which layer of soil is least likely to be penetrated by plant roots? a. O (organic matter) b. A (topsoil) c. B (subsoil) d. C (parent rock)

Describe the differences between a chromosome and a DNA molecule.

What role does oxygen play in a plants life?

Which measures the mass of an object? A) a spring scale (in N) B) a height scale (in feet) C) a graduated cylinder (in mL) D) a triple beam balance (in grams)

In his study of pea plants, Gregor Mendel used which method to produce offspring? O cross-pollination, by using parents that had identical traits O cross-pollination, by using parents that had different traits O self-pollination, by using one parent