Shared Flashcard Set

Details

Life Science
review chpt 11-14
66
Science
7th Grade
10/13/2015

Additional Science Flashcards

 


 

Cards

Term
Rhizoid
Definition
A thin root like structure
Term
Xylem
Definition
The plant tissue characterized by long hollow cells (mini straws) that carry water.
Term
Phloem
Definition
A plant tissue that carries dissolved food in a plant
Term
Epidermis
Definition
A tissue that serves as a protective covering layer. The outermost tissue.
Term
Cork
Definition
One of the type of cells found in bark. Made of dead cells with thick cell walls.
Term
Vascular bundle
Definition
way that the xylem and phloem are arranged (veins of leaves)
Term
Vascular Plant
Definition
A plant which has tissues which carries water and materials; has vascular tissue
Term
Non-vascular plant
Definition
A plant which lacks tissues that carry water and other materials; does not have vascular tissue.
Term
Angiosperm
Definition
A plant which produces flowers (and thus fruit and seed)
Term
Gymnosperm
Definition
A plant which produces seeds that are not fully covered or shielded from the environment (pine, spruce, etc)
Term
What are plant cell walls made of?
Definition
Cellulose
Term
What are plants?
Definition
Living organisms with cell walls containing cellulose
Term
What is the blade?
Definition
The flat green part of a leaf
Term
What is a leaf blade called that looks like it has several individual leaves?
Definition
Compound leaf
Term
Veins
Definition
Water and sugar conducting tissues
Term
What is the part of the leaf called that is between the node and the blade?
Definition
Petiole
Term
Most plants have 3 types of organs:
Definition
Roots
Stems
Leaves
Term
What is the region called where a leaf is or was attached to a stem?
Definition
Node
Term
What is a root system?
Definition
All the roots of a plant
Term
What is a tap root system?
Definition
One or a few main roots that are thicker and longer than the other roots of the plant (carrots, dandelions)
Term
What are smaller roots that come off the main root called?
Definition
Lateral roots
Term
What is a fibrous root system?
Definition
A cluster of roots that are equal in size. (grass)
Term
Three ways a leaf can be attached to stem:
Definition
Alternate - one leaf @ a node
Opposite - 2 leaves @ a node
Whorled - 3 or more leaves @ a node
Term
Herbaceous
Definition
Softer more flexible; green plant stems
Term
Woody
Definition
Stems which are hard
Term
Transpiration
Definition
The release of water from leaves through stomata.
Term
Heartwood
Definition
Dead xylem cells that contain tars or resin
Term
Sapwood
Definition
Part of the xylem that carries water
Term
Algae
Definition
The more plantlike organisms in Kingdom Protista; usually can perform photosynthesis; unable to move themselves.
Term
Penicillin
Definition
Produced by bacteria; antibiotic
Term
Prokaryotes
Definition
A unicellular organism which lacks a nucleus and other membrane-bound organelles; classified in Kingdom Monera.
Term
Eukaryotic
Definition
Organisms with a nucleus
Term
Mushrooms
Definition
Do not have true stems, roots, or leaves. Lack chlorophyll; cannot make their own food. Kingdom Fungi
Term
Mold
Definition
In the Kingdom Fungi; Reproduce by spores; Do not have chlorophyll; a decomposer
Term
Unicellular
Definition
A living thing composed entirely of one cell.
Term
Protozoa
Definition
The more animal-like organisms in Kingdom Protista; usually can move and capture prey.
Term
Bacteria
Definition
Very tiny organisms; A decomposer;
Reproduce by fission; can make us sick; Kingdom Monera;
Term
Decomposers
Definition
An organism that breaks down dead organisms and returns this material to the soil.
Term
What do you call organisms that lack a nucleus and many other membrane-bound organelles?
Definition
Prokaryotes
Term
What are the 3 basic shapes of bacteria?
Definition
Coccus - sphere-shaped
Bacillus - rod-shaped
Spirillum- spiral shaped
Term
What shape is coccus?
Definition
Sphere shaped
Term
What shape is Bacillus?
Definition
Rod- shaped
Term
What shape is Spirillum?
Definition
Spiral-shaped
Term
What does staph mean?
Definition
bacteria that is arranged in a cluster
Term
What does strep mean?
Definition
bacteria that is arranged end-to-end in long chains
Term
What are the parts of a mushroom?
Definition
Stalk
Cap
Gills
Spores
Hyphae
Term
Hyphae
Definition
Fungal cells that are long filaments
Term
Parts of a leaf
Definition
Blade
Veins
Petiole
Term
What are leaves called that have veins which branch away from the base of the leaf?
Definition
Palmate
Term
What are leaves called that are parallel to each other?
Definition
Parallel leaves
Term
What are leaves called with one main vein extending the length of the leaf with smaller veins branching away from it along the entire length?
Definition
Pinnate
Term
Asexual reproduction
Definition
plant reproduction that does not involve gametes
Term
Three types of asexual reproduction
Definition
plant forms runners
plant forms root sprouts
with the help of human (root and leaf cuttings)
Term
5 steps of sexual reproduction in plants:
Definition
Pollen
Pollen tube
ovary
ovule
embryo plant/seed
Term
pollination
Definition
the process of transferring pollen from an anther to a stigma
Term
What happens when the proper pollen reaches the stigma of a plant?
Definition
the pollen grows a pollen tube through the stigma and onto the ovary of the flower
Term
What is inside the ovary of a flower?
Definition
the ovules
Term
What do the ovules contain?
Definition
the eggs (female gametes) of the plant
Term
What does fertilization of the pollen tube and the ovule produce?
Definition
a embryo
Term
After the ovule is fertilized, what does the ovule turn into?
Definition
a seed
Term
Diagram of a mushroom
Definition
[image]
Term
leaf diagram
Definition
[image]
Term
flower diagram
Definition
[image]
Term
diagram the mushroom
Definition
[image]
Term
diagram the leaf
Definition
[image]
Term
diagram the flower
Definition
[image]
Supporting users have an ad free experience!