Diversity of Life Vocabulary Crossword

Basic unit of structure and function in the nervous system; it conducts impulses throughout the nervous system; it's composed of dendrites, a cell body, and an axon.
A series of ductless glands that make up the endocrine system; they release chemicals directly into the bloodstream where they relay messages to other parts of the body.
A point where two or more bones meet; can be fixed or facilitate movement of bones in relation to one another.
Light-absorbing pigment in plants and some protists that is required for photosynthesis; absorbs most wavelengths of light except for green.
The process by which autotrophs, such as algae and plants, trap energy from sunlight with chlorophyll and use this energy to convert carbon dioxide and water into simple sugars.
In protozoans, cytoplasm-containing extensions of the plasma membrane; aid in locomotion and feeding.
Sacs in the lungs where oxygen diffuses into the blood and carbon dioxide diffuses into the air.
Foreign substances that stimulate an immune response in the body.
The branch of biology that groups and names organisms based on studies of their shared characteristics.
A unicellular, heterotrophic, animal-like protist.
Disease-causing, nonliving particles composed of an inner core of nucleic acids surrounded by a capsid; replicate inside living cells called host cells.
Single projection on the lining of the small intestine that functions in the absorption of digested food; they increase the surface area of the small intestine and they increase the absorption rate.
Soft, flattened gland that secretes digestive enzymes and hormones; the products help break down carbohydrates, proteins, and fats.
A mutualistic relationship in which a fungus lives symbiotically with a plant.
Proteins in the blood plasma produced in reaction to antigens that react with and disable antigens.
Diploid cell formed when a sperm fertilizes an egg.
Short, numerous hairlike-projections composed of pairs of microtubules; frequently aid in locomotion.
Two-word system developed by Carolus Linnaeus to name species; the first word identifies the genus of the organism, the second word is often a descriptive word that describes a characteristic of the organism.
Substances produced by a microorganism that, in small amounts, will kill or inhibit growth and reproduction of other microorganisms.
Large, complex organ of the digestive system that produces many chemicals for digestion, including bile.
Disease-producing agents such as bacteria, protozoans, fungi, viruses, and other parasites.
Tissues found in vascular plants composed of tubelike, elongated cells through which water, food and other materials are transported throughout the plant; includes xylem and phloem.