Eustace

1. What are the four main groups of protozoa? On what major characteristics is this classification based? The four main groups of protozoas are: Flagellates, sarcodines, ciliates, sporozoan. On methods of locomotion. 2. In what way(s) is the reproduction of amoebas different from that of paramecia? The amoeba exhibits reproduction by binary fission, paramecia exhibits sexual reproduction by a process called conjugation. Amoeba produces asexually by fission and paramecia reproduces both by ...

radiometric dating the process of assigning "ages" to rocks and fossils based on the breakdown of certain elements into other elements eugenics a "science" founded by some of Darwin's followers, of selectively breeding humans to produce a "master race" index fossil a fossil used by evolutionists to identify the "age" of the rock layer containing it William Paley the 18th-century British theologian who argued that living things show clear evidence of design Charles Darwin the Br

blood travels from the heart to the lungs through the pulmonary arteries The heart's natural pacemaker is the sinoatrial node The nasal cavity warms and moistens incoming in irregularly shaped pockets or air spaces called the nasal meatuses The movement of blood to and from the kidneys is renal circulation The blood cells that transport oxygen throughout the body are red blood cells The blood cells that protect the body from infections are white blood cells

One of the two proteins that give the skin its ability to stretch collagen tough, flexible, waterproof protein found in hair and nails keratin main pigment responsible for skin color melanin The oil, produced by glands in the skin, that waterproofs the skin and keeps it soft and flexible is called ______. sebum an opening in the skin is a pore The system that covers the outside of the body and is also known as skin the integumentary sy

What is the muscular layer of the heart ? myocardium What is the flow of blood from the digestive organs to the liver called ? portal circulation What is the heart's natural pacemaker ? sinoatrial node What is an abnormal rushing or blowing sound produced by valve damage ? heart murmur What type of heart failure occurs when the heart stops beating and instead twitches randomly ? ventricular fibrillation What is the contracting and pumping phase of the cardiac cycle

The dangerous condition that results when a person loses too much blood and his blood pressure falls to a critical low is shock About 55 % of the blood volume is a liquid called plasma Red blood cells are produced in the bone marrow The heart, the blood vessels, and the blood they contain compose what system cardiovascular hand sized organ, located in the abdominal cavity behind the stomach, that serves as a reservoir for red blood cells

The disease in which the gums detach from the teeth and the bones supporting the teeth may be destroyed is? periodontitis The tearing teeth that flank the teeth at the front of the mouth are? cuspids The roof of the mouth is the ? palate The exposed part of a tooth is the? crown The sticky digestive juice proceeds by glans in the mouth is? saliva The long tube of the digestive system, extending from the mouth to the anus is the? alimentary canal Another name for the mouth is the? o...

MATCHING Energy carrier of the cell ATP General term for any macronutrient characterized by insolubility in water Lipid Building block of a protein Amino acid Helps the intestines function properly Dietary fiber Nutrient that is the main source of energy for living things Carbohydr

person received a serious injury that caused brain damage . As a result , his vision was impaired . Which lobe of the brain is most likely damaged occipital lobe What is the upper portion of the brain that coordinates thought , memory , and learned behaviors ? cerebrum What is the lower portion of the brain that helps control balance and coordination of muscle activity ? cerebellum What structure located above the brain stem routes signals to the appropriate areas of the brain ? thalamus ...

MULTIPLE CHOICE What term describes a nerve that contains both sensory and motor nerve fibers? Mixed nerve Which is the thick bundle of nerve fibers located within the vertebral column? Spinal cord What is the term for a short, branched extension of a neuron that receives impulses from other neurons and conducts them toward the cell body? Dendrite What type of neuron relays signals between oth