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7th Science 1

CH. 1-2

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