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50 Cards in this Set
- Front
- Back
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abdomen |
the rearmost portion of an insects body which contains vital organs |
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Achilles tendon |
cordlike ridge in the ankle |
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Actin |
thin filaments of protein |
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acute |
severe but lasting only a short time |
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aerobic bacteria |
bacteria which live where air is present and obtain their oxygen from the air |
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allergies |
the most common immunological diseases, which occur when the immune system overreacts to foreign substances such as pollen, dust, or certain foods |
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alternate |
leaf arrangement in which only one leaf grows from each node |
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anaerobic bacteria |
bacteria which live in the absence of oxygen |
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anther |
an enlarged structure at the tip of the filament |
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athropods |
invertebrates with jointed appendages |
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asthma |
a type of allergy in which the bronchial tubes constrict tightly when an irritating substance is inhaled, making exhalation difficult |
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Atrophy |
muscle degeneration |
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auxins |
growth hormones secreted by the tips of shoots |
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bacteria |
microscopic unicellular creatires |
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benign |
when a tumor shows no tendency to spread through the body |
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binary fission |
an asexual process where bacteria are able to reproduce rapidly |
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blade |
the flat, green portion of a leaf |
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bracts |
special leaves |
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bulb |
a special stem and leavaes designed to store food |
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cancer |
a condition that results from the runaway growth of the body's own cells |
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Cell membrane |
surrounds muscle |
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chemotropism |
plants grow towards chemicals |
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chitin |
strong, bone-like substance of which the exoskeleton is composed |
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chronic |
a long-lasting or recourring disorder |
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complete metamorphosis |
process by which an insect matures from an egg to a larva to a pupa to a adult |
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compound leaves |
leaves which have more than one blade on every petiole |
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corms |
swollen stems |
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corolla |
petals are called (means little crown) |
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cross-pollination |
the pollen from the anther of one plant is transferred to a stigma of a flower on another plant |
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cuticle |
a waxy substance that covers the epidermal tissue of a shoot system to help seal in water
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cytokinins |
especially important in promoting cell division |
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dioecious plants |
plants which produce pistilate and staminate flowers on separate plants |
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disease |
any condition which interferes with the normal functioning of the body |
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egg cells |
female reproductive cells |
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egg, larva, pupa, adult |
four stages of complete metamorphosis |
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egg, nymph, adult |
three stages of incomplete metamorphosis |
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epidermal tissue |
covers leaves, stems, roots, and other exposed areas and prevents excessive water loss and injury by outside agents |
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eukaryotic cells |
cells which have a membrane-bound nucleus and other membrane-enclosed cell parts |
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exoskeleton |
external skeleton |
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filament |
a slender elongated stick |
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flower stalk or pedicel |
the enlarged end of a special stem |
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fruit |
when the ovary is fully ripened |
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geotropism |
plants response to gravity |
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infectioius |
diseases caused by inavding pathogens |
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invertebrates |
animals without backbones |
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leaflet |
each small blade on a compound leaf |
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malnutrition |
results from a diet lacking in one or more essential food elements |
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nectar |
sweet tasting, watery liquis prosuced by plants |
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pathogen |
any organism which causes disease |
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prokaryotic cells |
cells where the nucleus lacks a membrane |
