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Year 7 science exam
Classification component of exam
| Question | Answer |
|---|---|
| The M in Mrs.Gren stands for | Movement |
| The first R in Mrs.Gren stands for | Respiration - breathing |
| The S in Mrs.Gren stands for | Sensitivity to the environment |
| The G in Mrs.Gren stands for | Growth |
| The second R in Mrs.Gren stands for | Reproduction - able to make babies |
| The E in Mrs.Gren stands for | Excretion - able to get rid of waste |
| The N in Mrs.Gren stands for | Nutrition - need food to survive |
| Unicellular | An organism made up of one cell |
| Multicellular | An organism made up of more than one cell |
| Kingdom Animalia | Multi-cellular, with no cell wall, has a true nucleus and gets nutrition from eating or absorbing food |
| Kingdom Plantae | Multi-cellular, has a cell wall, has a true nucleus and gets nutrition from photosynthesis (using the sun light to make energy) |
| Kingdom Fungi | Mostly multi-cellular, has a cell wall, doesn't have a true nucleus and gets in nutrition by breaking down the material that they grow on |
| Kingdom Protista | Unicellular organism, most have no cell wall, it has a true nucleus and some get nutrition from absorbing food and others get it by photosynthesis |
| Kingdom Monera | Unicellular organism, has a cell wall, doesn't have a true nucleus, get nutrition from a number of different techniques |
| Cell wall | A wall around the cell that acts to protect the cell |
| True nucleus | A location where all the genetic information is stored |
| Order of classification | Kingdom, Phylum, Class, Order, Family, Genus, Species |
| Dichotomous key | A classification key the branches the organisms into two groups at a time |
| Binomial nomenclature | That the scientific name of the organism is the Genus and the Species |
| Vertebrate | Has a back bone |
| Invertebrate | Doesn't have a back bone |
| Exoskeleton | Has an external skeleton |
| Endoskeleton | Has an internal skeleton |
| Radial Symmetry | symmetry around a central axis (jellyfish) |
| Bilateral symmetry | symmetry over a mid line (humans) |
| Features of birds | Feathers, hard shell egg, break, constant body temperature |
| Features of reptiles | Scales, leathery shell eggs, lungs, changing body temperature |
| Features of amphibians | Moist skin, eggs with no shell, larvae live in water and adults live on land, changing body temperature |
| Features of fish | Only found in water, changing body temperature, gills, eggs with no shell, scales |
| Features of mammals | Hair or fur, females have mammary glands for milk, constant body temperature |
| Five vertebrates | Birds, reptiles, amphibians, fish, mammals |
| Features of arthropods | Body is divided into segments, exoskeleton, paired legs |
| Features of echinoderms | Body has a five-part pattern, move through water by pushing water through tubes on their bodies |
| Features of molluscs | Most have a soft body, no legs, a muscular foot for movement |
| Features of Porifera | Spongy body with no organs or tissue, exoskeleton made of pointed 'needles' |
| Features of Cnidarians | Hollow soft body, no organs, have tentacles |
| Features of Annelids | Segmented worms with internal organs |
| Features of Nematodes | Round worms, unsegmented |
| Features of Platyhelmithes | Flat worms, unsegmented |
Created by:
NWSP12