Life Science
What do we call an animal that eats only plants?
Herbivore
What natural resource do humans burn that adds to global warming?
Fossil fuels (like coal, oil, gas)
What is the control center of the cell called?
Nucleus
Which body system moves blood through your body?
Circulatory system
What do plants need from the sun to make their food?
Energy (light energy)
What’s one thing all living things have in common?
They are made of cells
What layer of gases surrounds the Earth and protects it?
The atmosphere
What cell part lets plants make their own food using sunlight?
Chloroplast
Which system helps break down the food you eat into nutrients?
Digestive system
What is the special green part of plants that helps them with photosynthesis?
Chlorophyll
What is the job of decomposers in a food chain?
To break down dead plants and animals
What kind of energy comes from the sun?
Solar energy
What is a mutation? How can it affect an organism?
change in DNA; it can be helpful, harmful, or have no effect
Which body system brings oxygen in and gets rid of carbon dioxide?
Respiratory system
Why is photosynthesis important for animals too?
It makes oxygen and food (plants) for animals to eat
What is biodiversity? Why is it important in ecosystems?
Different kinds of living things; it helps ecosystems stay healthy
How does planting trees help fight climate change?
Trees take in carbon dioxide from the air
What does DNA do?
it carries genetic instructions
What system controls your body with signals from the brain?
Nervous system
What happens to the oxygen that plants make?
Animals and humans breathe it in
Describe what would happen to an ecosystem if all the predators disappeared.
Prey would overpopulate, food would run out, and the whole system would change or collapse
What is the greenhouse effect, and why is it important for Earth’s temperature?
It traps heat to keep Earth warm, but too much makes it too hot
Why do kids look like their parents? What passes traits from parents to kids?
Genes/DNA
Explain how the muscular system and skeletal system work together to help you move.
Muscles pull on bones to create movement; they work as a team
Describe the full process of photosynthesis in your own words.
Plants use sunlight, water, and carbon dioxide to make food (glucose) and oxygen