This type of disease agent is a tiny particle that can only reproduce inside a host cell.
What is a virus?
Why do we need to eat
We eat to get energy to move and play and to get matter so our bodies can grow and fix themselves.
This respiratory disease, caused by a coronavirus, led to a global pandemic declared in 2020.
What is COVID-19?
This type of relationship benefits both organisms.
What is mutualism?
Does energy go in a circle?
Energy is like a flashlight. It shines from the sun, goes through us, and then it's gone. We always need more.
These single-celled organisms can cause illnesses like strep throat and tuberculosis.
What are bacteria?
What does matter in food do?
Matter is the stuff food is made of. Your body uses it to build new parts like making your hair grow, your bones stronger, and your skin heals after a scrape.
This 14th-century pandemic, also known as the “Black Death,” killed millions across Europe, Asia, and North Africa.
What is the Black Death?
This relationship benefits one organism while harming the other.
What is parasitism?
Does matter go in a circle?
yes matter is like recycled trash. Old leaves turn into dirt, and that dirt helps new flowers grow. It goes round and round.
This type of disease agent includes molds and yeasts that can infect the skin or lungs.
What are fungi?
How do we get energy out of food?
Your body "burns" food in a process called cellular respiration. It’s like how a car burns gas to make it go; your body breaks down food to power your muscles and brain.
This mosquito-borne viral disease, often associated with high fever and joint pain, has caused outbreaks in tropical regions and is named after a Tanzanian river.
What is Chikungunya?
When two organisms fight over limited resources like food, water, or space, this occurs.
What is competition?
What is energy like?
It’s like gas in a car. You use it to move, and once it's used up, you have to go to the "station" (eat food) to get more.
These microscopic organisms, such as amoebas and malaria-causing agents, are more complex than bacteria.
What are protists?
.What happens to food we don't use right away?
If your body has more matter and energy than it needs, it stores it (often as fat) so you can use it later when you aren't eating.
This 1918 global pandemic, sometimes misleadingly named after a European country, infected about one-third of the world’s population.
What is the Spanish Flu?
This type of relationship benefits one organism while the other is unaffected.
What is commensalism?
What is matter like?
It’s like play-dough. You can shape it into a person, then smash it down and turn it into a tree. It’s the same clay" used over and over.
This rare infectious agent is made only of protein and is responsible for diseases like mad cow disease.
What is a prion?
Where did the energy in a cheeseburger start?
It started with the Sun! The sun helped the grass grow (energy), the cow ate the grass, and then we ate the burger.
Identified in 1981, this pandemic is caused by a virus that attacks the immune system, specifically CD4 cells, and has had a major global impact.
What is HIV/AIDS?
In this interaction, one organism hunts and eats another organism.
What is predation?
Where does the energy go?
It turns into heat. When you're sweaty after running, that's your food energy leaving your body and going into the air.