Cells 101
The control center of the cell that holds DNA.
What is the nucleus?
This animal has three hearts and blue blood.
What is an octopus?
Different forms of the same gene are called this.
What are alleles?
When an organism blends into its environment to avoid predators.
What is camouflage (camo)?
Humans have this many lungs.
What is two?
This organelle is known as the “powerhouse of the cell.”
What is the mitochondria?
This animal can regrow lost arms and sometimes even an entire body.
What is a starfish (or sea star)?
The physical traits you can observe, like eye color or height.
What is a phenotype?
When two species both benefit from living together.
What is mutualism?
The largest organ in the human body.
What is skin?
This cell structure controls what enters and leaves the cell.
What is the cell membrane?
This animal can change color to blend into its surroundings.
What is a chameleon?
The genetic makeup of an organism is called this.
What is a genotype?
The process where organisms with helpful traits survive and reproduce more often.
What is natural selection?
The process plants use to make food from sunlight.
What is photosynthesis?
Plant cells have this structure that animal cells do not, which helps them stay rigid.
What is the cell wall?
These microscopic organisms can survive extreme heat, freezing, and even space.
What are tardigrades (water bears)?
Humans normally have this many chromosomes in each body cell.
What is 46?
A trait that helps an organism survive in its environment is called this.
What is an adaptation?
The basic unit of life.
What is a cell?
This gel-like material fills the inside of a cell and surrounds the organelles.
What is the cytoplasm?
This jellyfish species is often called “immortal” because it can revert back to an earlier life stage.
What is Turritopsis dohrnii (the immortal jellyfish)?
This scientist is known as the “father of genetics.”
Who is Gregor Mendel?
When one organism benefits and the other is harmed.
What is parasitism?
The molecule that carries genetic instructions in living things.
What is DNA?