Characteristics of Life
How do we find EVIDENCE that something is alive?
Look at it through a microscope to see if it has cells.
What do we call an one-celled organism?
Unicellular
What does the nucleus do?
It controls the cell
How many cells are needed to form an organism?
at least one
Do the cells in your heart and the cells in your brain look the same?
No
What is the difference between a rock and a coral?
A rock is not alive, a coral is alive.
What do we call an organism with multiple cells?
Multicellular
Protects the cell and gives it shape
Cells make up...
Why do the cells in different parts of your body look differently?
They do different things!
Stacy looks at something through a microscope and it does NOT have any kind of cells. Is it alive?
NO
Where do cells come from?
Other cells
Why are organelles shaped differently?
Because they have different funtions/jobs
Tissues make up...
Organs
Name two body systems that are working together whenever you are eating spaghetti.
Digestive, muscular, nervous
True or false: there is only one kind of cell, which all living things are made of.
False--there are different types of cells
What is the smallest unit of life?
Cells
What organelle is selectively permeable and what does that mean?
Cell membrane--it's picky about what it lets into cell
Organs make up...
Body systems
Name two body systems that are working together when you are completing a Mathia problem.
Nervous, muscular, skeletal
What is the word for different types of cells?
Specialized cell
True or false: the larger the living thing, the larger its cells are.
False
What is the difference between a choroplast and a mitochondria?
A chloroplast produces food in plants; a mitochondria breaks down food into energy in both plants and animals
What is the more similar: two cells in a tissue or two organs in a system?
Two cells in a tissue
Name two body systems that are working together whenever you are running a marathon.
Muscular, skeletal, circulatory, respiratory