What are the characteristics of a living thing?
move, reproduce, grow, respond, adapt, made of cells, metabolize
Osmosis is the movement of what material across the cell membrane?
water
pollution
carbon dioxide
oxygen
Identify image 2
vacuole
When an organism is made of just one cell it is called?
Unicellular
Organ systems come together to make...
organisms
When an organism is made of only one cell it is called...
unicellular organism
Which invention allowed us to see cells?
Microscope
Identify image 1.
nucleus
Identify image 10
cytoplasm
The smallest unit that can perform all life processes is called?
Cell
What does selective permeability mean?
some materials can cross but not all materials can cross
Identify image 4.
mitochondria
Which organelle moves material from the nucleus to other parts of the cell?
ribosomes
endoplasmic reticulum
mitochondria
nucleus
Identify image 6.
cell membrane
Identify image 5.
cell wall
Which type of cell does not have a nucleus?
animal
eikaryotic
plant
prokaryotic
This cell structure produces most of the energy for the cell.
Mitochondria
A living thing is made of cells is called an?
Organism
What is the rigid layer of material that surrounds and protects a plant cell called?
Cell wall.
Cells come together to make...
tissues
What structure in plant cell captures energy from sunlight and uses it to produce food.
Chloroplasts
All living things are made of cells. Cells are the basic unit of life. All cells come from other cells. This theory is called?
Cell theory
Which organelle is a jelly-like substance that holds the other organelles in place in a cell?
cytoplasm
Which organelle is known for their ability to make proteins?
mitochondria
endoplasmic reticulum
nucleus
ribosome
Organs come together to make...
organ systems
This cell structure directs all the cells activities.
Nucleus
Identify image 3.
chloroplast
How would Casey know that an object she sees under the microscope is living?
She sees cells of that object.
A cell is a eukaryote if it has a?
cell membrane
nucleus
cell wall
cytoplasm
What organelle is selectively permeable?
cell membrane
This is a cell structure that controls which substances leave and enter a cell.
Cell Membrane
Which organelle is found in both plant and animal cells. One organelle is larger in a plant cell than in an animal cell. Which organelle is that?
vacuole
Which two cell parts are found only in plant cells?
chloropasts and cell wall
Can skin cells make blood cells? Explain your answer.
No skin cells use cell division to make skin cells. Blood cells use cell division to make blood cells.
Living organisms that are made of more than one cell are called?
Multicellular
Tissues come together to make...
organs
These are tiny structures that carry out a specific job in a cell.
Organelles