Term | Definition |
herbivore | an organism that eats only plants |
carnivore | an organism that obtains its food only from other animals |
omnivore | an organism that will feed on many different kinds of food, including both plants and animals |
forage | to search for something, especially food and supplies |
forager | an organism that searches for food |
predator | an organism that hunts and kills other organisms |
Investigation Expo | a presentation of the procedure, results, and interpretations of results of an investigation |
termite | an insect similar to an ant that lives in large colonies; termites feed on wood and can damage wooden structures |
collaborate | to work together |
nectar | a sugary liquid produced by plants |
pollen | small, powdery grains that contain the male sex cells in seed plants |
model | a way of representing something in the world in order to learn more about |
colony | a group of similar organisms living or growing together |
larvae | the newly hatched form of an insect |
receptor cells | the cells that receive information from the world and send it to the brain |
ultraviolet (UV) light | a kind of light not visible to the human eye |
electromagnetic radiation | a wave that travels through space and carries energy |
electromagnetic spectrum | the range of wavelengths emitted by the Sun |
visible spectrum | the part of the electromagnetic spectrum that can be seen by the human eye |
retina | a membrane sensitive to light that lines the back portion of the inside of the eye |
rod | type of cell found in the retina; each rod is sensitive to low levels of light, but cannot see colors |
cone | type of cell found in the retina; each cone is sensitive to one color: red, green, or blue |
reproduce | to produce offspring |
pollination | transfer of pollen (male sex cells) from an anther to a stigma of a flower |
fertilize | in biology, to unite male and female sex cells to form a new organism |
pollinator | an insect or other animal that carries pollen from one flower to another |
mutualism | relationship between organisms of two different species in which each member benefits |
angiosperm | one of the major groups of modern flowering plants; they produce seeds in specialized reproductive organs called flowers |
carpel/ pistil | the female reproductive organ of a flower; may be made up of a single carpel, or of two or more carpels united |
stigma | the top part of the carpel where the pollen is deposited |
style | in plants, the slender, tube-like part of the carpel |
ovary | in a plant, the enlarged part at the base of the carpel that contains ovules, or eggs |
ovule | a tiny, egg-like structure in flowering plants that develops into a seed after fertilization |
stamen | the male reproductive structure of a flower; consists of the anthers, which produce pollen, and of a slender filament |
sepals | green, leaf-like parts of a flower found outside the petals |
corolla | the collection of the colored petals of a flower |
receptacle | the base of a flower to which the flower parts are attached |
pollen tube | the slender tube formed by pollen grains to reach and fertilize the ovules |
joint | the place where two bones come together |
movable joint | joints that move freely |
lever | a simple machine made up of a rigid bar and fulcrum, or pivot point |
effort force | the force applies to a lever |
load | the object being moved, or that resists, the motion of the lever |