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Tri 1 Final QQT
Terms in this set (32)
Q: What is an abiotic factor?
a nonliving part of an ecosystem
Q: What is a biotic factor?
a living part of an ecosystem
Q: What are the seven characteristics of living things?
made of cells, reproduces, adapts to environment, responds to stimuli, uses energy, grows/develops
Q: What is the difference between an independent and dependent variable of an experiment?
the experimenter has direct control over the independent variable
Q: What is the order of metric units?
kilo, hecto, deka, basic, deci, centi, milli (khdBdcm)
Q: What is the difference between a theory and a law?
a law usually contains mathematical reasoning, and a theory usually explains how/why something happens
Q: What is the smallest unit of matter?
Q: What is the smallest unit of life?
Q: What is the control center of a cell?
Q: What is the process that takes in carbon dioxide, water, and sunlight, then turns it into glucose and oxygen?
Q: What is the process that takes in oxygen and glucose, then turns it into energy, carbon dioxide, and water?
Q: What organelle is responsible for making a cell's energy?
Q: What two organelles are only found in plant cells?
cell wall and chloroplast
Q: What are the four organic macromolecules?
lipid, protein, carbohydrate, nucleic acid
Q: What do enzymes do for the human body?
speed up chemical reactions; they're catalysts; they change molecules
Q: What is the difference between passive and active transport?
passive transport does not use energy, active does
Q: What is the difference between solute and solvent in a solution?
solute (such as salt) is dissolved in the solvent (water)
Q: Which solution will result in water entering a cell?
Q: What is the difference between positive and negative feedback?
positive feedback results in the change being continued or amplified, negative results in the change being immediately brought back to normal
Q: What does the circulatory system do?
pumps blood and oxygen throughout the body
Q: What does the nervous system do?
coordinates the body's movement, senses, and changes in external and internal environment
Q: What does the respiratory system do?
provides the body with oxygen for cellular respiration, and gets rid of carbon dioxide waste
Q: What does the endocrine system do?
controls growth, metabolism, and reproduction through the secretion of hormones
Q: What does the integumentary system do?
our skin; our first line of defense
Q: What does the lymphatic system do?
maintains proper fluid level between tissues, and helps detect infections
Q: What does the digestive system do?
breaks down food into nutrients our bodies absorb and use
Q: What is the difference between mechanical and chemical digestion?
mechanical is physical breakdown (chewing), chemical is chemical breakdown (through saliva/stomach acid)
Q: What is the difference between the large and small intestines?
small absorbs nutrients, large intestine absorbs water
Q: What is the difference between the larynx and pharynx?
larynx is the voicebox, pharynx is the back of the throat that food and air pass through
Q: What is the difference between a tendon and ligament?
tendons connect bone to muscle, ligaments connect bones to other bones
Q: What is the difference between veins and arteries?
arteries carry blood away from the heart, veins carry blood back to the heart
Q: Name the "windpipe", then the "food pipe"
windpipe = trachea; food pipe = esophagus
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