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Scientific Method/PL
| Question | Answer |
|---|---|
| independent variable | in an experiment, the factor that is deliberately manipulated |
| dependent variable | in an experiment, the factor that changes as a result of manipulation of one or more other factors (the independent variables) |
| control group | in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor |
| experimental group | in an experiment, a group that is identical to a control group except for one factor and that is compared with the control group |
| hypothesis | a testable idea or explanation that leads to scientific investigation |
| observation | the process of obtaining information by using the senses; the information obtained by using the senses |
| inference | a conclusion that is based on facts but that is not the direct and absolute result of those facts |
| larva | an independent and immature form of an organism that is morphologically different from the adult form |
| pupa | the immobile, nonfeeding stage between the larva and the adult of insects that have complete metamorphosis; as a pupa, the organism is usually enclosed in a cocoon or chrysalis and undergoes important anatomical changes |
| egg | a sex cell produced by a female |
| chrysalis | the hard-shelled pupa of certain insects, such as butterflies |
| spinneret | an organ that spiders and certain insect larvae use to produce silky threads for webs and cocoons |
| proboscis | The tubular feeding and sucking organ of certain invertebrates like insects. |
| setae | one of the external bristles or spines that project from the body of an annelid |
| antennae | a feeler that is on the head of an invertebrate, such as a crustacean or an insect, and that senses touch, taste, or smell |
| exoskeleton | a hard, external, supporting structure that develops from the ectoderm |
| abdomen | the distinct, usually elongated posterior region of an arthropod's body |
| metamorphosis | a phase in the life cycle of many animals during which a rapid change from the immature organism to the adult takes place; an example is the change from larva to adult in insects |
| molting | the shedding of an exoskeleton, skin, feathers, or hair to be replaced by new parts |
| migration | in general, any movement of individuals or populations from one location to another; specifically, a periodic group movement that is characteristic of a given population or species |
| physiological adaptation | how a living organism adapts to their environment to survive. |
| morphological adaptation | a change that an animal undergoes as it matures from one stage to the next. |
| behavioral adaptation | something an organism does to protect itself or to have greater chances finding a mate or food |
| milli- | 1,000 |
| centi- | 100 |
Created by:
edenb124
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