Ribosomes which make protein are found on the membranes of what structure?
Endoplasmic reticulum
100
What are the advantages of being a multicellular organism?
Longer life, larger size and specialization
100
What is the passing of traits from parent to offspring called?
Heredity
200
What are all living things made of?
One or more cells
200
What part of the cell keeps the cell membrane from collapsing?
Cytoskeleton
200
What structure in the cell forms a barrier between the cell and its environment?
Cell membrane
200
What are the 3 parts of the cell theory?
All cells come from existing cells.
The cell is the basic unit of all living things.
All organisms are made up of 1 or more cells.
200
What are the basic needs of living things?
Food, water, air, and a place to live
300
What is the smallest unit that can perform all the processes necessary for life?
CELL
300
What part of the cell carries materials between organelles such as the ER and the Golgi complex?
Vesicles
300
What is cytoplasm?
The fluid inside a cell
300
Organisms that feed on decaying organisms are ________________, and organisms that make their own food are ______________________.
decomposers; producers
300
What is maintaining stable internal conditions called?
Homeostasis
400
In eukaryotic cells, the DNA is contained in what organelle?
Nucleus
400
What is the job of lysosomes?
They digest food particles.
400
Where does photosynthesis take place in a cell?
In the chloroplast
400
An organ consists of...
two or more tissues.
400
What are the characteristics that all organisms share?
SHHRUG
-sense and respond to change
-have cells
-have DNA
- reproduce
- use energy
- grow and develop
500
Prokaryotes that include extremophiles are called...
archaebacteria.
500
What is the relationship between your digestive system, stomach, and intestines?
The stomach and intestines are organs. They are some of the organs that make up the organ system known as the digestive system.
500
What is the role of the nucleolus?
The nucleolus stores materials that are then used to make ribosomes.
500
When an offspring is identical to its parent, _______________ reproduction occurred. When an offspring shares characteristics of two parents, _______________ reproduction occurred.
asexual; sexual
500
What do gravity, sounds, and light have in common?