Test #2 Flashcards
(63 cards)
Scientists estimate that there are between _ million and ___ million species of living things on Earth. This is only _% of all organisms that ever lived! Each year, about ______ new species are added to the list of known organisms.
3
100
5
13,000
A _____ is a group or category used in the classification system
Taxon
________, a field of science, is dedicated to the grouping and naming of organisms.
Taxonomy
__________ are scientists who specialize in identifying and classifying life on our (approximately ___ million species so far)
Taxonomists
1.7
Who was I?
18th century _________
Classified organisms by their _________
______ and _______
Carolus Linnaeus
Taxonomist
Structure
Plants / Animals
What are all the taxa? (In Order)
Domain Kingdom Phylum Class Order Family Genius Species
Who am I?
“______ of ________”
Developed a system of naming organisms using a two-word name (Genus & species) - Known as ________ ___________ (two part name)
Names were in _____ or _____.
Carolus Linnaeus
Father / Taxonomy
Binomial Nomenclature
Latin / Greek
What am I?
A ___ ____ system for writing scientific names
The _____ name is written first (and always _________)
The ______ name is written second (never _________)
Scientific names are __________
Binomial Nomenclature Two / Name Genus / Capitalized Species / Capitalized Italicized
How do we find out the scientific name of a particular organism?
Dichotomous Key
What is a Dichotomous Key?
A series of _________ given in pairs.
Read both ____________ and choose the best description.
Follow steps until you reach the ____.
Statements
Statements
Name
Organisms within Kingdom Plantae are ___________, _________, _________ and they ____ _______.
Multicellular
Eukaryotic
Autotrophic
Lack Mobility
Plants produce food via ________________ and have ____ _____ composed of ________.
Photosynthesis
Cell Wall
Cellulose
The history of life on earth and the success of many organisms depends on the success of _____.
Plants
______ penetrate the ____ and ______ the plant to the ground.
The _____ absorb _______ and _____ from the soil to be used in
______________.
Roots / Soil / Anchor
Roots / Minerals / Water / Photosynthesis
______ provide a large surface area for the absorption of _________.
_______________ occurs inside the ______________ of the cells of the _______.
Leaves / Sunlight
Photosynthesis / Chloroplasts / Leaves
________ are composed of _______ tissue that _______ and ________ the ________.
______ also _________ substances from the roots to leaves and from the leaves to roots.
Stems / Rigid / Raise / Support / Leaves
Stems / Transport
Plants are divided into the _ main groups based on _ major characteristics: ________ or _______ of ______ tissue and _____.
________ tissue transport substances such as ______, ________ and _______ throughout the plant.
_____ are structures that contain an ______, stored food and an outer coat.
4 / 2 / Presence / Absence / Vascular / Seeds
Vascular / Water / Minerals / Sugars
Seeds / Embryo
Non-vascular land plants do not contain any conducting tissues and are often referred to as __________.
These plants are ______, grow ______ to the ground and include _______ and _________.
Bryophytes
Small / Close / Mosses Liverworts
_______ _______ plants contain _______ tissues but do not produce seeds.
This group includes _________, _____ and ____ ______.
Seedless / Vascular / Vascular
Horsetails / Ferns / Club Mosses
_______ vascular plants also contain extensive ________ tissue and the_________ of species in the plant kingdom are in this group.
They have a ____ that contains an _______, a ________ supply and a _________ outer coat.
_______ vascular plants are divided into _____________ and _______________.
Seeded / Vascular / Majority
Seed / Embryo / Nutrient / Protective
Seeded / Angiosperms / Gymnosperms
What are non-flowering plants with seeds that do not develop within an enclosed structure?
Gymnosperms
What are flowering plants with seeds that develop inside a protective structure?
Angiosperms
Plants contain structures other than the three main parts and these structures have very specific functions.
Plant structures include what 5 things?
Rhizoids / Cuticle / Stomata / Xylem / Phloem
What are small hair-like structures that transport materials and anchor the plant?
Rhizoids
