Sam found an experiment online and decides to give it a try for his school's science fair. What is this?
Replication
100
Which type of cell has a nucleus? Eukaryotic or Prokaryotic?
Eukaryotic
100
This body system works with the skeletal system to help us move
Muscular system
100
Delia is teaching her sister about important molecules in the body. She tells her sister that one molecule provides a set of instructions that determines characteristics, such as eye color or hair color. What molecule is Delia describing?
DNA
100
Deletion, insertion, and substitution are examples of what?
Mutations
200
The factor that is deliberately changed in an experiment
Independent variable
200
The organelle responsible for cellular respiration
Mitochondria
200
The body systems work together to maintain an internal constant environment otherwise known as ___________.
homeostasis
200
A graphic used to predict the possible genotypes of offspring
Punnett Square
200
In a DNA molecule, Adenine (A) binds with what?
Thymine (T)
300
What format should a hypothesis be written in?
If...then...
300
Harry identifies a cell he sees under a microscope as an animal cell. What did he notice? cytoplasm, cell membrane, lysosomes, or mitochondria
lysosomes
300
(True or False) the muscular and digestive systems both play a role in processing the food we eat
True
300
The part of the cell cycle where the nucleus divides resulting in two identical cells.
mitosis
300
A homozygous dominant brown rabbit crosses with a heterozygous rabbit. What is the probability that the offspring will be heterozygous?
50%
400
Ginny wants to see what type of music (rap, rock, or pop) will help a plant grow. What is the dependent variable?
How much the plant grows
400
(True or False) A part of the cell theory states that all organisms are made up of many cells.
False
400
The body system responsible for helping to fight off infections
immune system
400
The type of cell division that produces cells with half the number of chromosomes.
meiosis
400
When farmers want two desirable traits in cows, they often breed individuals that have those traits in the hopes that the offspring will have both desirable traits. What is this practice called?
artificial selection
500
(True or False) When a scientist finds new information that goes against a theory, the theory is automatically rejected.
False
500
The process that involves taking in sunlight and carbon dioxide is called what?
Photosynthesis
500
(True or False) The lungs are part of the excretory system
True
500
Which type of cell division is associated with asexual reproduction?
mitosis
500
A characteristic that improves an individual's ability to survive and reproduce in a specific environment is called an ______________.