Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
cell
|
The basic unit of structure and function in living things
|
|
|
tissue
|
A group of similar cells that perform a specific function
|
|
|
organ
|
A structure that is composed of different kinds of tissues
|
|
|
adaptation
|
A characteristic that helps an organism survive or reproduce in its enviroment
|
|
|
sexual reproduction
|
The process by which a new organism develops from the joining of two sex cells
|
|
|
fertilization
|
The joining of an egg cell and a sperm cell
|
|
|
asexual reproduction
|
The process by which a single organism produces a new organism identical to itself
|
|
|
phylum
|
One of about 35 major groups into which bilogists classify members of the animal kingdom
|
|
|
vertebrate
|
An animal with a backbone
|
|
|
bilateral symmetry
|
Line symmetry, the quality of being divisble into halves that are mirror images
|
|
|
radial symmetry
|
The quality of having many lines of symmetry that all pass through a central point
|
|
|
larva
|
The immature form an animal that looks very different from the adult
|
|
|
cnidarian
|
An invertibrate animal that uses stinging cells to capture food and defend itself
|
|
|
polyp
|
A cnidarian body plan characterized by a vaselike shape and usually adapted for a life attached to an underwater surface
|
|
|
medusa
|
A cnidarian body plan characterized by a bowl shape and adapted for a free-swimming life
|
|
|
colony
|
A group of many individual animals
|
|
|
coral reef
|
A diverse enviroment named for the coral animals that make up its stony surface
|
|
|
parasite
|
An organism that lives inside or on another organism and takes food from the organism in or on which it lives
|
|
|
host
|
An organism that provides food to a parasite that lives on or inside it.
|
|
|
free-living organism
|
An organism that does not live in or on other organisms
|
|
|
scavenger
|
An organism that feed on dead or decaying material
|
|
|
anus
|
The opening at the end of an organism's digestive system through which wastes exits.
|
|
|
closed circulatory system
|
A characteristic that helps an organism survive or reproduce in its enviroment
|
