7th Grade Topics
What characteristics do scientists use to classify organisms?
cell type, cell structure, size, shape, symmetry, genetic info
What is the smallest unit of a living thing?
cell
What is the largest group into which a living thing can be classified?
kingdom
Which kingdom do we belong to?
Animal
What are the two types of cells we examined in class?
plant and animal, prokaryotes and eukaryotes
What is an autotroph?
An organism that makes its own food, like a plant
A solid wall of cells that are alike is called a what?
A tissue
What is the smallest, most specific group into which an organism can be classified?
species
What kingdom uses sunlight for food and gives off oxygen for us to breathe?
Plants
Animal cells have a ___ ____ instead of a cell wall.
cell membrane
What is a heterotroph?
An organism that can not make its own food like an animal
What is a group of tissues that work together to carry out a job called?
organ
Name a unicellular kingdom.
Bacteria, Protists, Ancient Bacteria, fungi
How many kingdoms are there?
6
What turns plant cells green?
chlorophyll and chloroplasts
What is the difference between a prokaryote and eukarayote?
P= no nucleous (ecoli)
E= nucleous (human)
What are organs carrying out a life function called?
organ systems
Name a multicellular kingdom
Animals, plants, protists, fungi
This kingdom is one or many celled, has a nucleous, gets its food from other organisms and DOES NOT move around, which is it?
Fungi
What are the two systems for measurement?
Customary and Metric- metric is used most often
What is the tool used to identify organisms?
Dichotomous key
Another word for a living thing is called a what?
organism
Write the order of classification in order from LARGEST to smallest.
Kingdom, phylum, class, order, family, genus, species
Protists
What makes up an organisms SCIENTIFIC NAME
Genus and Species