What makes a fossil an index fossil

Is a heart is made up of one type of cells true or false

Monkeys raised without mothers in captivity a. displayed normal sexual behavior b. did not know how to care for infants c. were able to form lasting affectional ties d. showed greater sexual dimorphism than those in the wild

A polysaccharide is a polymer made up of which kind of monomers?

Explain how the extracellular matrix functions.

virus important environmental role

Which of the following are benefits of cardio exercise? A. Resting blood pressure decreases B. Energy levels increase C. The heart becomes more efficient D. All of the above

Describe what happens to an egg during the first 14 days of the cycle?

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