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Ch19Review
Chapter 19 Review
| Question | Answer |
|---|---|
| A _______________ is any group of parts working together. | system |
| The _____________ is the simplest level of organization in a complex organism. | cell |
| _____________ are groups of cells that perform the same function. | Tissue |
| The levels of organization of many celled organisms from simplest to complex are: __________, __________,____________, _______________ | cells, tissues, organs, and systems. |
| The human body’s _____________________ system uses the blood to transport needed materials to body cells and remove wastes | cardiovascular |
| ____________________ enters the body through the lungs. | Oxygen |
| The __________________ system helps kill diseases. | immune |
| The ___________________ system produces chemicals called hormones that help control many body processes. | endocrine |
| The ________________________ is the muscle that helps the respiratory function. | diaphragm |
| The _______________________, __________________, and ________________ system help break down food. | muscular, cardiovascular, and digestive |
| _______________ (tiny fingerlike projections) in the small intestine help absorb nutrients from food. | villi |
| The ____________________ adjust the amount of water in the blood by changing the concentration of water excreted in the urine. | kidneys |
| _______________________ is the process that keeps a body’s internal environment stable in spite of changes in the external environment. | Homeostasis |
| The human body can maintain equilibrium through ________________ _____________. | negative feedback |
| Evaporation of ___________________ from the skin helps keep the body at a stable temperature. | perspiration |
| ___________________ warms the body by causing involuntary muscle contractions. | Shivering |
| Water enters and leaves cells through _________________________. | osmosis |
| __________________ __________________ is the pressure of water against a plant’s cell wall. | Turgor pressure |
| An _____________________ is all the living and nonliving things that interact in an area. | ecosystem |
| An organism’s particular role in an ecosystem is its ____________________. | niche |
| The behaviors and physical characteristics of species that allow them to live successfully in their environment is _______________________. | adaptations |
| The struggle between organisms to survive in a habitat with limited resources is ____________________. | competition |
| An interaction in which one organism hunts and kills another for food is _________________. | predation |
| ___________________ is an example of predator adaptation. | A cheetah's speed |
| A close relationship between two species that benefits at least one of the species is ________________________. | symbiosis |
| Mutualism, commensalisms, and parasitism are the three types of ________________. | symbiosis |
| The E. Coli that live in your intestine and help break down food is an example of _______________________. | mutualism |
| If the death rate exceeds the birth rate of a population, the size of the population ________________________. | decreases |
| If the population of predators in an area decreases, the population of prey in that same area will probably _____________________. | increase |
Created by:
lschramme
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