| A | B |
|---|
| metamorphosis | a change in form and appearance as an organism develops |
| hormones | special chemicals secreted by glands to control/regulate metabolic processes |
| complete metamorphosis | 4 stages of development (egg, larva, pupa, adult) |
| incomplete metamorphosis | 3 stages of development (egg, nymph, adult) |
| larva | eating growing stage of an insect |
| nymph | immature stage of an insect, looks like a little form of the adult |
| Arthropod | organism with a head, thorax, and abdomen, with 3 pairs of legs |
| thorax | chest section that holds the legs and wings |
| abdomen | holds most of the internal organs |
| exoskeleton | hard, protective, support structure that covers the outside of an organisms' body |
| molting | shedding the old exoskeleton and growing a new larger one |
| head | has appendages used for eating and sensing like antennae |
| pheromone | hormone females secrete to lure males for mating |
| cold blooded (ectothermic) | having a body temperature that adjusts to changes in the enviroment |
| vertebrate | animal with a backbone |
| amphibian | "double life" |
| fertilization | joining of the sperm and egg |
| cloaca | passage out of a frog's body that eliminates solids wastes as well as eggs and sperm |
| aquatic | water |
| terrestrial | land |
| environment | organism's surroundings |
| locomotion | moving from place to place using ones own power |
| habitat | specific area where an organism lives |
| tadpole | aquatic, gills to breath, herbivore, swims |
| frog | moist terrestrial, lungs to breath, carnivore, jumps and swims |
| zygote | fertilized egg |
| frogpole or froglet | half-way to becoming a frog, still part tadpole |
| toad | lives on land, dry warty skin, lay eggs to reproduce, have poisonous glands |
| externally | outside the body |
| spawning | laying the jelly-coated eggs in the water outside the body |
