Biology Chapter 30: How Animals Move

food vacuole – small cavity in the cytoplasm of protists that temporarily stores food
transmembrane proteins – Integral proteins that span the membrane.
Diffusion – The process by which molecules in a fluid solution spontaneously move from an area of higher concentration to an area of lower concentration. A major method by which materials move about within cells and between cells and their environment.
plastid – group of plant organelles that are used for storage of starches, lipids, or pigments
Chlorophyll – A pigment necessary for photosynthesis
flagella – long, thin, whip-like structures, with a core of microtubules, that enable some cells to move
The term balanorrhea is defined as
Phrenology – the practice of reading the bumps on someone's head to predict the future
What is a bacteriophage? – A bacteriophage is a virus that has a bacteria host. It infects bacteria only.
molecules – chemicals that result from atoms linking together
protostome – An animal with a coelom that develops from solid masses of cells that arise between the digestive tube and the body wall of the embryo. The protostomes include the molluscs, annelids, and arthropods.
The term bаlаnоrrheа is defined as
Stimulus – Anything that is part of either the internal or external environment and causes some sort of reaction by an organism
Allergic reaction – An immune response to an otherwise harmless substance. Symptoms include local or systemic inflammation and, itching, sneezing, and/or other problems depending on the type of substance and the areas of the body affected. Can be life-threatening. For example, when eating a certain food is the cause, the effect will be different than when breathing pollen is the cause.
homeostasis – that maintenance of a stable level of internal conditions are constantly changing
mutations – change in the DNA of a cell
in nature most elements combine with other elements to form____ – chemical compounds

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