Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Science Exam 6th

Cells The smallest units of life
Bacteria The smallest organisms on earth
Cell membrane Helps control what enters and leaves the cell
Cell wall Helps support and protect cells (plant)
Organelles Specialized cell parts
Nucleus Controls most of the cell's activities
Vacuole Stores food, water, minerals, and waste
Mitochondria Converts food energy into a form that the cell can use
Photosynthesis Chloroplasts capture light energy and combine carbon dioxide from the air with water to make food
Tissue Groups of similar cells that all work together
Organ Different types of tissues working together
Organ system A group of organs that work together to do a certian job.
symmetry the arrangement of the individual parts of an object that can be divided into similar halfs
invertebrates animals with no backbone
cnidarians hollow bodied animals with two cell layers that are orginizad into tissues.
polyp vase shaped body
medusa bell shaped body
mollusks soft bodied invertibrets that usally have a shell(snail)
mantle thin layer of tissue covering the mollusk's soft body
gills organs in wich carbon dixiode from the animal is exchanged in the water
radula scratchy tongue like organ
open circulatory system no blood vessels.
closed circulatory system has blood vessels
arthopods animals with jointed apendeges
apendages structers such as claws and legs and anntene that grow from the body
exoskeleton rigid body covering
metamophisis change in body
chordates have a notocord have a nerve cord and pharengial pouches
endotherms warm blooded animals
ectotherms cold blooded animals
cartilage tough flexible tissue
hibernation cold weather inacvitity
estivation hot weather inacvitity
amniotic egg yolk supplies food and has a tough leathery shell
countor feathers give adult birds streamlined shape
down feathers helps birds stay warm
herbivore plant-eating animal
carnoivore meat-eating animal
onmivore anything-eating animal
monotremes tough leathery egg shell only mammals without of having live birth
marsupials carry their young in a pouch
placental the largest number of mammals
Ecosystem All the living and nonliving parts of an area
Ecology The study of interactions that take place among the living and nonliving parts of an ecosystem
Biosphere The part of Earth where organisms can live
Biotic factors The organisms that make up the living part of an ecosystem
Abiotic factors The nonliving things found in an ecosystem
Population A group of the same type of organisms living in the same place at the same time
Community All of the populations that live in an area
Limiting factors The things that limit the size of a population (such as food or rainfall)
Niche The role of an organism in an ecosystem
Habitat The place where an organism lives
Producer An organism that makes its own food
Consumer Eats other organisms
Decomposer Uses dead organisms and waste for food
Created by: MCW