Cells and Organelles
This is the smallest unit that can be considered alive.
What is a cell?
A group of similar cells working together to perform a function is called this.
Answer: What is tissue?
This process uses light energy, carbon dioxide, and water to make sugars and oxygen.
Answer: What is photosynthesis?
All the living and nonliving parts of an area make up this.
Answer: What is an ecosystem?
This is a characteristic of an organism, such as fur color, height, or blood type.
Answer: What is a trait?
This cell structure controls what enters and leaves the cell.
Answer: What is the cell membrane?
A group of tissues working together to perform a specific function is called this.
Answer: What is an organ?
This process releases stored energy from food molecules and usually uses oxygen.
Answer: What is cellular respiration?
This interaction occurs when organisms need the same limited resources.
Answer: What is competition?
These are sections of DNA that help determine traits by coding for proteins.
Answer: What are genes?
This cell structure contains genetic information and helps control cell activities.
Answer: What is the nucleus?
This term describes the process of keeping internal conditions stable.
Answer: What is homeostasis?
In a food web, these organisms make their own food.
Answer: What are producers?
This interaction occurs when one organism hunts and eats another organism.
Answer: What is predation (predator/prey)?
These structures contain genes and are found in cells.
Answer: What are chromosomes?
These organelles use light energy to make sugars in plant cells.
Answer: What are chloroplasts?
These body structures detect stimuli, such as light, sound, chemicals, or pressure.
Answer: What are sensory receptors?
These organisms break down dead organisms and recycle nutrients back into the ecosystem.
Answer: What are decomposers?
This type of interaction benefits both organisms involved.
Answer: What is mutualism?
This is a change in genetic information that may be beneficial, harmful, or neutral.
Answer: What is a mutation?
This rigid structure supports and protects plant cells but is not found in animal cells.
Answer: What is the cell wall?
This body system helps maintain homeostasis by transporting oxygen, nutrients, hormones, and wastes throughout the body.
Answer: What is the circulatory system?
This model shows how matter and energy move among producers, consumers, and decomposers.
Answer: What is a food web?
This term describes the variety of species found in an ecosystem and is often used as a measure of ecosystem health.
Answer: What is biodiversity?
This type of reproduction results in offspring with genetic variation because each parent contributes 1/2 of the genetic information.
Answer: What is sexual reproduction?