The heart is an example of which level of organization within an organism?

cell

organ

tissue

organ system

What are clinical manifestations of hypothyroidism? a. intolerance to heat, tachycardia, and weight loss. b. oligomenorrhea, fatigue, and warm skin. c. restlessness, increased appetite, and metrorrhagia. d.

Did the finches that Darwin observed on the Galapagos Islands show evidence of evolution?

A fish feeds on algae in a pond. As a result, there is an energy transfer between trophic levels in the ecosystem. What is the name of the cellular process that releases energy from the algae so it can be used by the fish?

Which of the following best describes the initial speciation event in aloe Patrick speciation

What type of mammal is a manatee is it a monotreme, marsupial or a placental

Two plants are grown using the same light and pots. One plant is given water that has been microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.

A 2-month-old infant is being treated with sequential casts for bilateral clubfoot (talipes equinovarus). new casts have just been applied. what should the nurse evaluate to determine that circulation to the feet remains sufficient?

Empirical evidence for species selection

Cerebrospinal fluid: a. is identical in composition to whole blood b. is secreted by the arachnoid villi c. is secreted mostly by the astrocytes cells lining the brain ventricles d.

The practitioner of therapeutic touch (tt) is listening with her: