List 1 and 2 Flashcards
Numerator
Arithmetic. the term of a fraction, usually above the line, that indicates the number of equal parts that are to be added together; the dividend placed over a divisor:
The numerator of the fraction 2/3 is 2.
Ratio
the relation between two similar magnitudes with respect to the number of times the first contains the second:
the ratio of 5 to 2, written 5:2 or 5/2.
Magnification
to make greater in actual size; enlarge:
Cell
Biology. a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms.
Sahara
a desert in N Africa, extending from the Atlantic to the Nile valley. About 3,500,000 sq. mi. (9,065,000 sq. km).
Atlas Mountains
a mountain range in NW Africa, extending through Morocco, Algeria, and Tunisia. Highest peak, Mt. Tizi, 14,764 feet (4500 meters)
Great Rift Valley
a series of rift valleys running from N to S, from the Jordan Valley in SW Asia to Mozambique in SE Africa.
Mount Kilimanjaro
Mount Kilimanjaro or just Kilimanjaro with its three volcanic cones, Kibo, Mawenzi, and Shira, is a dormant volcano in Tanzania
Savanna
grassland region with scattered trees, grading into either open plain or woodland, usually in subtropical or tropical regions.
Bantu
a member of any of several peoples forming a linguistically and in some respects culturally interrelated family in central and southern Africa.
dormant
lying asleep or as if asleep; inactive, as in sleep; torpid:
evidence
that which tends to prove or disprove something; ground for belief; proof.
habitat
the natural environment of an organism; place that is natural for the life and growth of an organism:
organism
a form of life composed of mutually interdependent parts that maintain various vital processes.
compound microscope
an optical instrument for forming magnified images of small objects, consisting of an objective lens with a very short focal length and an eyepiece with a longer focal length, both lenses mounted in the same tube.