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7th Science 1
CH. 1-2
| Question | Answer |
|---|---|
| The purpose of science is | discover the laws of creation and use them for man's benefit |
| study of body structure | anatomy |
| sum of all body activities | metabolism |
| fauna | animal life |
| a good scientific experiment will include | several constants and one variable |
| which part of a plant embryo develops into the root system | radicle |
| a fruit develops from the part of the flower called the | ovary |
| what type of plant needs two growing seasons to complete its life cycle | biennial |
| what is the scientific term for plants that produce covered, protected seeds | angiosperms |
| an underground structure made of thick, fleshy leaves surrounding a very short stem is a | bulb |
| a seedling is a young plant that is able to survive without its | cotyledons |
| a leaf that has more than one blade joined to the petiole is known as a | compound leaf |
| most grasses have a creeping stem called a ??? that grows along the surface of the ground | stolon |
| the term that refers to leaves that attach directly to a stem is | sessile |
| water environment | aquatic |
| specific place within an environment where an organism lives | habitat |
| active at night | nocturnal |
| includes meadows, desert and mountain environments | terrestrial |
| seas and oceans | marine |
| living in the trees | arboreal |
| A scientific idea that has survived many experiments and observations without being proven false is called a | law |
| a living thing with ??? symmetry can be cut in equal halves in more than one direction | radial |
| a sperm cell joining with an egg cell is | fertilization |
| this carries water and nutrients from the root hairs upward through the root and stem to the leaves | xylem |
| the type of flowers usually found in the center of a composite flower head are | disk flowers |
| Herbaceous plants have stems that are | non-woody |
| the food making process of plants is called | photosynthesis |
| term for any living thing | organism |
| Englishman who introduced the scientific method was | Sir Francis Bacon |
| two general types of seed dispersal are | agent mechanical |
| 3 things required for germination | moisture temperature oxygen |
| produces legumes | pea family |
| fruits called grains | grass family |
| square and stout stems | mint family |
| stems called corms and rhizomes | amaryllis family |
| flowers arranged in umbels | parsley family |
| helps return nitrogen to the soil | pea family |
| includes sunflowers | composite family |
| includes Queen Anne's Lace | parsley family |
Created by:
Harrison83
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