Practice Test Praxis 5005 Questions with 100% Correct Answers

Parts of a flower roots, stem, leaves, flower roots Absorbs water and minerals from the ground. Anchors plant in ground. stem supporting structure that connects roots and leaves and carries water and nutrients between them leaves The main photosynthetic organs of vascular plants. flowers used by some plants to make seeds (for reproduction) fruit protects the seeds The animal with hollow bones bird animals with no teeth Birds, lizards, & frogs neutralization reaction A reaction between an acid and a base enocrine system a set of glands that secrete hormones into the bloodstream What ecosystem has the greatest diverse populations? Tropical rain forest What ecosystem has the leaset diverse populations? tundra Germination Early growth stage of a plant embryo plant fertilization The joining of pollen (sperm cell) and ovule (egg cell) to form a new seed Plant pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma. In a periodic table elements are grouped together because they have similar chemical properties. Amphibians are they are vertebrate which included frogs, toads, salamanders they live on land and water Elements that are abundant in the Sun are Hydrogen and Helium covalent bond A chemical bond formed when two atoms share electrons ionic bond the attraction between oppositely charged ions metalic bond electrons that are free to move from one electrically charged electron to the next hydrogen bond Attraction between a slightly positive hydrogen atom and a slightly negative atom. binomial nomenclature Classification system in which each species is assigned a two-part scientific name two-part scientific name such as Felis Catus the first part "felis" is a genus and the second part "catus" is the species nuclear power plant Nuclear Energy to Electrical Energy it releases water vapor into the air power plants, coal plants, natural plants and oil plants all release carbon dioxide into the air contiental drift hypothesis that continents move across surface of Earth Alfred Wegener. Hadeon Period part of the precambrian supereon. completely molten with no atmosphere, no oceans or oxygen, EXTREMELY HOT. Cracks in the earth's crust lead to a steam buildup which eventually created the atmosphere. first signs of life mark the end of this period (cyanobacteria and stromatalites) Archean Eon Eon extending from the time that life originated, prokaryotes life emerged Proterozoic Eon The eon following the Archean and preceding the Phanerozoic. Free oxygen, multi-cellular organisms. Phanerozoic Eon The most recent eon, an interval of time from 542 Ma to the present. carry capacity The largest population that an area can support How do prokaryotic cells reproduce? asexually nervous system brain, spinal cord, nerves Molecule two or more atoms held together by covalent bond