What is contained in the xylem tissues that travel from the roots to the leaves?

A.

Water and inorganic ions

B.

Water and organic molecules

C.

Organic molecules and inorganic ions

The substances secreted by the glands in the external auditory canal is

Term Definition 3. Carbohydrate a Molecule that's a source of energy in the body 4 Nucleic acid b. Many structures and enzymes in the body are 5. Lipids c Ore substance that makes up cel membranes 6. Proteins d.

What is the biggest difference between an ecosystem and a community? a. A community includes only one type of organism and an ecosystem includes many types. b.

An organism made of different types of specialized cells is called:

How is variation represented in a peppered moth simulation

In an axosomatic synapse, neurotransmitter is released from?

A 9-year-old child who has cerebral palsy and scoliosis also is mentally challenged and blind. the child is incontinent, has contractures of the elbows and wrists, and sits in a customized wheelchair most of the day.

List five physical factors from the environment that are essential to human life

A brown fruit fly was crossed with a black fruit fly as shown below. What is the probability of a resulting offspring being black? A. 100% B. 75% C. 25% D. 50%

Which automatic system conserves energy by returning the body to a normal activity level through a lowered heart rate and blood pressure? A. Peripheral nervous system B. Sympathetic nervous system C. Somatic nervous system D.