True or False: Systems are made up of organs with a common function.
True
True or False: All cells in a tissue perform the same function.
True.
Animals have ____ tissue, which consists of ____ cells.
Muscle, muscle
What are the 3 main parts of cells?
1) The membrane 2) the nucleus 3) the cytoplasm
1) _____ cells are usually bigger than 2)____ cells.
1) Plant cells 2) animal cells
Which type of cell has a cell wall?
Plant cells.
What type of cell is this? Label it.
Animal cell. 1) Membrane 2) Nucleus 3) Cytoplasm 4) Organelles
Yes or No: Are organisms made up of different systems.
Yes
Organs are organized to form _____.
systems
Define: nucleus
The part that controls the function of the cell.
Define: Cells
A basic unit of life
What is a microscope used for?
To observe cells.
Groups of 1)_______________ work together to form 2)_______________. Tissues are organized to form 3)_______________.
1) Cells 2) Tissues 3) Organs
Living things made up of a single cell are _______.
Unicellular
Living things made up of many cells are _____.
Multicellular
What are the 3 basic life processes?
1) Nutrition 2) Reproduction 3) Sensitivity
Levels of organization of living things: cells - 1) ______ - 2)______- systems - 3)_______
cells - 1) tissues - 2) organs - systems - 3) organisms
Which type of cell has chloroplasts?
Plant cells
What are the two types of cells?
Plant and animal cells.
Define: Reproduction
Cells can divide and produce new cells that are identical to themselves.
Definition: Cells react to what they perceive around them.
Sensitivity
______ is the jelly-like material that contains the organelles in a cell.
Cytoplasm
1) ____ cells differ in shape and 2) ____ cells have a regular shape.
1) Animal cells 2) Plant cells
Define: Nutrition
Cells obtain nutrients and energy from food.
Multicellular living things are made up of the _____ (same or different?) type of cells.
Same
What is the covering around the cell called?
The membrane