This structure is known as the “control center” of the cell.
What is the nucleus?
The smallest unit of life.
What is a cell?
This system carries oxygen and nutrients to body cells.
What is the cardiovascular system?
DNA is found in this cell structure.
What is the nucleus?
Asexual reproduction creates offspring that are genetically ____.
What is identical?
The jelly-like substance that holds all organelles in place.
What is the cytoplasm?
Similar cells working together form a ____.
What is a tissue?
The system responsible for removing waste from the blood.
What is the excretory system?
Segments of DNA that determine traits are called ____.
What are genes?
Sexual reproduction requires these two cells to combine.
What are egg and sperm?
This organelle is the “powerhouse” that converts food into energy.
What is the mitochondria?
Different tissues working together form a(n) ____.
What is an organ?
The muscular and skeletal systems work together to produce this.
What is movement?
The physical appearance of an organism is its ____.
What is phenotype?
The cell formed when sperm and egg combine is called a ____.
What is a zygote?
Found only in plant cells, this structure provides extra support and shape.
What is the cell wall?
A group of organs working together to perform a major function is called a(n) ____.
What is an organ system?
The digestive and circulatory systems work together to provide cells with ____.
What are nutrients?
An organism with two identical alleles for a trait is ____.
What is homozygous?
The passing of traits from parents to offspring is called ____.
What is heredity?
These structures in plant cells capture sunlight for photosynthesis.
What are chloroplasts?
Order these from smallest to largest: organism, organ, cell, tissue, organ system.
What is cell → tissue → organ → organ system → organism?
This system sends and receives messages to control body activities.
What is the nervous system?
A Punnett square showing BB × BB predicts what percentage of heterozygous offspring?
What is 0%?
Which type of reproduction leads to genetic diversity?
What is sexual reproduction?