Characteristics of Life
The characteristic displayed when a cow grazes on grass.
Take in nutrients
The cell theory states that all living things are this.
Made up of cells.
This term is used to describe organisms that are only one cell, like bacteria.
Unicellular.
This bean shaped organelle produces energy from food, and is know as the "power-house of the cell."
Mitochondria.
This part of your body is a piece of your "first line of defence"
Skin; hairs in the nose; mucus; stomach acid
All living things exchange these with their environment through processes like breathing.
Waste products.
The cell theory states that cells are this building block.
Basic unit of life.
Unlike you, bacteria and archaea are this type of cell.
Prokaryotic.
This large organelle holds the DNA to keep it safe.
Nucleus.
This "big eater" is first on the scene when you get a cut or scrape.
Macrophage
The word for changes that happen around living things that they react to, like changes in heat or sounds.
Stimuli.
The cell theory states that all cells come from here.
Pre-existing cells.
The name of a microbe that can make you sick.
Pathogen.
This green organelle is where photosynthesis takes place in plants.
Chloroplasts.
The Helper T cell alerts this type of cell to get it to make antibodies to fight infections.
B Cells.
The characteristic displayed when a spider lays eggs.
Reproduces.
A single-celled amoeba swallowing an algae cell to digest it is an example of this idea in cell theory.
The cell is the basic unit of life.
We use bacteria to help us make these delicious, dairy-based foods.
Cheese and yogurt.
This organelle found in plant and animal cells, is used by plant cells to help give it structure by holding up the walls.
Vacuole.
The proteins on the outside of a pathogen that allow the immune system to recognize it.
Antigen.
Viruses do not display this characteristic of living things (one answer only).
Take in nutrients; Use energy; Produce waste; Respond to stimuli.
Robert Hooke first described cells while he was looking at thin slices of what?
Cork tree bark.
Viruses are covered in this protective layer.
Protein coat.
(Rough) endoplasmic reticulum.
This type of vaccine uses a virus that is still alive, but has been injured.
Live, attenuated vaccine.