1. Characteristics and classification of living organisms Flashcards
what is the binomial system
scientific name of an organism
what does MRS GREN stand for
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition
Fish as a classification
have scales, and fins for balance, produce jelly covered eggs in water, eyes but no ears, cold blooded with gills,
Amphibians as a classification
moist skin, have 4 limbs, with webbed back feet, jelly covered eggs, eyes and ears, cold blooded
Reptiles as a classification
dry with scales, four legs, eggs with rubbery waterproof shell, cold blooded
Birds as a classification
have feathers, two wings and 2 legs, hard eggs with shell, warm blooded
Mammal as a classification
fur, four limbs, live young, warm blooded, females have ability to produce milk for young
Arthropods - insects
3 pairs of legs
2 pairs of wings
one pair of antennae
body divided into body head and thorax
pair of compound eyes
Arthropods - Arachnids
4 pairs of legs
body divided into cephalothorax
and abdomen
several pairs of simple eyes
chelicerae for biting and poisoning prey
Arthropods - Crustaceans
5 or more pairs of legs
2 pairs of antennae
body divided into cephalothorax
and abdomen
exoskeleton often calcified to form carapace (hard)
compound eyes
Arthropods - Myriapods
10 or more pairs of legs
one pair of antennae
body not divided
simple eyes
5 kingdoms
Animals
plants
fungi
prokaryotes
protectants
flowering plants what does the term cotyledon mean and what are flowing plants
multicellular organisms
the term cotyledon means ‘seed leaf’
monocotyledons and dicotyledons
monocotyledons = long and narrow leaves, parallel veins,
one cotyledons, they have flower parts in groups of 3
dicotyledons = broud leaf shape, branching veins, two cotyledons, and they group of flowers in 5
ferns
have numerous sporangia (spore capsules)
