When two extreme phenotypes are crossed and all of the progeny have an intermediate phenotype, what might be the cause? 1:complete dominance of one trait over another 2:incomplete dominance 3:codominance 4:sex linkage

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.