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;
12 Cards in this Set
- Front
- Back
|
Cell
|
basic unit structure and function in living things
|
|
|
tissue
|
group of similar cells that perform a specific function
|
|
|
organ
|
group of several different tissues
|
|
|
Adaptations
|
Structures or behaviors that allow animals to perform basic functions in their environment
|
|
|
Sexual Reproduction
|
process by which a new organism develops from the joining of 2 sex cellsfertilization.
|
|
|
fertilization
|
The joining of an egg cell and a spermcell
|
|
|
Asexual reproduction
|
the process by which a single organ-ism produces a new organism identical to itself.
|
|
|
phylum
|
Biologists have classified animals into 35 different groups
|
|
|
vertebrates
|
animals with a backbone
|
|
|
invertebrates
|
animals without back-bones
|
|
|
bilateral symmetry
|
just one linethat divides it into halves that are mirror images.
|
|
|
radial symmetry
|
many lines of symmetrythat all go through a central point.
|
