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27 Cards in this Set

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1.short stature (mosses), 2.non-vascular, 3.produce spores transported by rainwater and ground humidity
1. ferns, horsetails, 2.vascular, 3.produce spores transported by rainwater and ground humidity
1. cedar, juniper, fir, pine, 2.produce woody stems, leaves=needles or scales, 3.use wind to help them reproduce by pollination; seed cones with seed scales
1.plants that make flowers and have their seeds surrounded by fruits, 2.have seeds, don't produce cones and aren't always pollinated by wind; relay on birds, insects etc. To transport their pollen, 3.sexual reproductive organs=flowers, fruit holds the seeds
kingdom Plantae
kingdom Animalia
fungi and moulds
kingdom Fungi
protozoa and algae
kingdom Protocista
kingdom Prokaryotae
seven taxa
kingdom, phylum, class, order, family, genus, species
binomial system of nomenclature
Carlous Linnaeus (1735); first name(capitalised) - genus, second - species;
Full identification of human
K-Animalia, Ph-Chordata, Cl-Mammalia, Or-Primate, Fa-Homnidae, Ge- Homo, Sp- sapiens
Full identification of garden pea
K-Plantae, Ph-Angiospermae, Cl-Dicotyledoneae, Or-Rosales, Fa- Papilionaceae, Ge-Pisum, Sp-sativum
1.sponges, 2.sessile, 3.fed by pumping water through tissue to filter out food, 3.no muscle, nerve tissue or internal organs
1.corals, sea anemones, jellyfish, hydra, man-of-war, 2.different: sessile/free-swimming etc., 3.tentacles; gastric pouch with one opening
1.flatworms e.g. Tapeworm; gut with one opening for food to enter and waste to exit; no heart, no lungs 3.cells need to be close for gas exchange(diffusion)
1.earthworms, leeches, polychaetes, 2.body divided into sections separated by rings, bristles, 3.gastric tracts with a mouth at one end and the intestines have another opening at the other end where wastes are released
1.snails, clams, octopuses, 2.produces shells using calcium, 3.bodies are not segmented
1.insects, spiders, scorpions, crabs, shrimps, 2.hard exoskeleton made with chitin, segmented bodies, jointed limbd(can bend), 3.vary in size, can swim/walk etc.
process of cumulative change in the heritable characteristics of a population
Evidence of evolution:fossils
life that exfisted more than 500 million years ago was very different; fossils of fish that have been found are only 500 million years old or less; none of predators existing today lived with dinasoures; many living organism have no identical form in the fossil record
Evidence of evolution:selective breeding of domesticaded animals
breeders choose the best male and female to produce offspring with desireable features; may produce unique combination of characteristics that not existed before
Evidence of evolution:homologous structures
similar in form and function nut found in dissimilar species; evidence of common ancestor (lim of human, bat and hale)
overproduction of offspring
causes struggle for survival, competitions for resources (food etc.) can lead to adaptive behaviour, cooperating with other species
variation in species
50% mother, 50% father genetic informatio; random distribution of chormones during spliting in meiosis;
natural selection leads to evolution
overproduction - the best adapted are more successful - better chance of reproduction and passing on their genes - over many ggenerations changes may result in evolution
evolution in responce to environmental change (2)
(1) bacterial infection - antibiotics - not every bacteria is killed, some odd are resistant - multiplication. (2) rat - pesticides - some are resistant - reproduction