Water is formed when two hydrogen atoms bond to an oxygen atom.

When a substance is made of two or more atoms like this, we call it

A) a mixture.

B) a complex.

C) a compound.

D) an element.

A key is a taxon. True or False?

In the organization of living things, a __ would include the largest number of individuals

How is the temperature of a solid substance affected when it is melting? O A) It increases. OB) It decreases. O c) It stays the same.

Compare the similarities and differences between natural selection and artificial selection

What does it mean that the two strands of dna are complementary?

What is a common ancestry and divergence

A complex carbohydrate that can be formed by the linking of simple sugar is

How is the brain able to differentiate between each sensory modality? A The action potentials, sent along the same nerve tracts, get sorted by the thalamus B The action potentials for each sense are sent along separate nerve tracts.

Nearly all cells in an organism contain identical DNA, and each DNA strand may contain hunndreds or thousands of individual genes. Is it likely that a cell would transcribe all the genes within its nucleus simultaneously. A. True B. False

Which of the following is true regarding brain development and aging? a. Blood flow is increased in the brain. b. The brain uses more oxygen. c. The brain becomes smaller and lighter. d.