Cell Structure
This organelle is the "control center" of the cell cycle.
What is the nucleus?
DNA stands for this.
What is deoxyribonucleic acid?
Animals that eat only plants are called ___.
What are herbivores?
This organ pumps blood through the body.
What is the heart?
This is the first step in the scientific method.
What is asking a question or identifying a problem?
This structure controls what enters and exits the cell.
What is the cell membrane?
The units of heredity are called ___.
What are genes?
The place where an organism lives is its ___.
What is habitat?
These structures carry oxygenated blood away from the heart.
What are arteries?
A testable prediction is called a ___.
What is a hypothesis?
This organelle produces energy in the form of ATP.
What is the mitochondrion?
A dominant allele will ___ a recessive one.
What is mask or cover?
This describes the role or job of an organism in an ecosystem.
What is a niche?
The brain is part of this body system.
What is the nervous system?
This group in an experiment receives no treatment.
What is the control group?
Plant cells have this structure for support that animal cells do not.
What is the cell wall?
This type of chart shows possible gene combinations in offspring.
What is a Punnett square?
Organisms that break down dead material are called ___.
What are decomposers?
The small intestine is responsible for absorbing ___.
What are nutrients?
The variable that is changed in an experiment is the ___.
What is the independent variable?
This green organelle is responsible for photosynthesis.
What is the chloroplast?
What is the genotype of a person with two different alleles for a trait?
What is heterozygous?
This type of symbiosis benefits one species and harms the other.
What is parasitism?
The lungs are part of this system.
What is the respiratory system?
Scientists use this to summarize and analyze experimental data.
What is a graph?