| A | B |
|---|
| spontaneous generation | hypothesis that states that living matter can come from nonliving matter |
| ingestion | taking in food |
| digestion | process by which food is broken down into simplier substances |
| respiration | process in which simple substances (food) are broken down & energy is released |
| excretion | process of getting rid of liquid wastes |
| homeostasis | ability for an organism to keep the conditions inside the body the same, even though conditions in its external environment change |
| female gamete | an egg cell |
| male gamete | a sperm cell |
| cells | the building blocks of life; all organisms are made from these |
| zygote | a fertilized egg |
| stimulus | the water suddenly turns very cold while showering |
| response | when the cold water hits you in the shower, you jump |
| water | makes up about 65% of your body mass |
| NEEDS of an organism | energy, water, food, living space, oxygen, & ability to maintain a fairly constant body temperature |
| CHARACTERISTICS of an organism | made of cells, movement, metabolism, reproduction, grow, develop, & respond to stimulus |
| Metabolism includes these | ingestion, digestion, repiration,circulation, excretion |
