Eyes are
a. chemoreceptors.
b. mechanoreceptors.
c. photoreceptors.
d. nociceptors.
e. none of these.
Answer: c
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An echinoderm's endoskeleton is comprised of ossicles
Indicate whether the statement is true or false
Prions _________.
a. are believed to be the pathogen that causes variant Creutzfeldt-Jakob disease. b. are resistant to high temperatures and drying. c. are proteins that are capable of replicating themselves. d. are normal brain proteins that have an incorrect shape. e. all of these
What is periderm?
A. Special epidermal cells that regulate gas exchange B. Outer layer of the vascular cylinder in a plant root C. Layers of cells just inside root endodermis D. Dermal tissue that replaces epidermis on the surfaces of older stems and roots E. Tissue that consists of densely packed dead cells with thickened, waxy walls
Use the following dataset to answer the following question.FirmYear# of EmployeesSalesProfitsJim's Auto201423$741,000$52,000Mechanic Zone201415$510,000-$72,000Jim's Auto201531$1,081,050$101,000Mechanic Zone201527$811,000$28,000What type of dataset is this?
A. Pooled cross-section B. Time-series C. Cross-sectional D. Panel