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BIOLOGY - UNIT 1: TAXONOMY: KEY TO ORGANIZATION PLANT AND ANIMAL CLASSIFICATION
Terms in this set (51)
Features which identify and distinguish one living thing from another.
A two-choice sorting device used in taxonomy to identify taxa, genus species, or common names of plant or animal specimens.
A sorting device made up of a system of choices, as used in taxonomy.
A key is used to identify a plant or animal.
Discerning between common characteristics is one advantage of a dichotomous key.
characteristics that help to identify organisms through a plant key:
color, shape, size, and organization
Which statement is most correct regarding the difference between plants and animals?
they are greatly different
An organism which is capable of moving around its environment is considered to be:
Both animals and plants depend upon ______ for reproduction?
a genetic code for reproduction
saclike body or tube-within-a-tube
segmented or nonsegmented
presence or absence of digestive system
type of symmetry--radial, bilateral, asymmetrical
presence or absence of appendages
number of legs
exoskeleton or endoskeleton
type of body covering
patterns or coloration
special abilities such as flight or swimming
Characteristics common to plants and animals regarding growth and reproduction are ______.
response to stimuli
Here are only a few of the characteristics which a taxonomist might choose in constructing a plant classification:
presence or absence of conductive tissue
presence or absence of seeds
cones or flowers
leaves with parallel veins or netted veins
type of flower
type of fruit
special features such as thorns or tendrils
Organisms that usually have chlorophyll and cell walls. These organisms usually make their own food through the process of photosynthesis.
These are vascular plant, meaning they have special food-and water-conducting tissues called phloem and xylem.
Flowering plants. The seeds of these plants are enclosed or covered by the ovary of the flower.
These are monocots with fibrous leaves. Some flower parts may be missing; some may be fused together.
The grass family has only monocots with hollow stems and greenish flowers with flower parts like petal missing. The fruit is a grain or caryopsis.
Large grasses with separate pollen and seed flower clusters (the tassel and the ear). The grain is enclosed by leafy
Corn Zez [grain, Greek]; mays [Indian corn, Spanish]
Organisms that are dependent on other animals or plants for food.
Lack cell walls. Usually capable of locomotion or movement.
Develop notochord and later vertebrae for backbone body
support. Spinal cord or one nerve cord down back.
Organisms covered with soft, moist, glandular skin; no scales; eggs with gelatinous covering; three-chambered heart. Young usually aquatic breathing through gills; adults living on land breathing through lungs.
Head and body are fused with no obvious neck, no tail. Front legs short, hind legs long for leaping; webs between toes. Metamorphosis obvious from tadpole to adult.
True frogs. Smooth skin, narrow waist, long legs; toes with webs, fingers separate. Teeth in upper jaw. Eggs in tapioca-like masses.
Fingers and toes without end discs. Some with, others without, lateral ridges. Edible frog legs.
Leopard Frog Rana [frog, Latin]; pipiens [frog, Surinam]
-a or-ata endings
are used for phylum
-a or -ea
are used for class
ea, or -i
are used for order
is used for family
Only the taxa of "family" and "species" can be identified by the unique ending of _____
"ae" or the binomial requirement for the naming of the species.
-ae, or -eae (plant)
the usual family ending
Notice also that all taxa names are italicized (or underlined) and that the species name also includes the genus name.
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