Stop Stealing My Nutrients!

A parasite is…

• A bacteria that eats bad things in your stomach

• Something in your stomach that catches invaders

• Any living thing that carries diseases

• Any living thing that takes it food from other living things

Protozoa are…

• One-cell living things that move around to find food

• Plants that carry parasites

• Living things that eat food belonging to other living things

• Viruses

Tapeworms are…

• Worms that are found in food

• Parasites that live inside an animal’s digestive system

• Worms that carry diseases

• One-cell living things that fight diseases

Symbiosis is when…

• Protozoa and parasites both live in something

• A living thing has parasits

• Two living things live together and both hurt each other

• Two living things live together and help each other

How does the parasite that needs to be inside a bird get into the bird?

• It lets itself be eaten by an ant, then makes that ant look like a Berry

• It hides in berries, because birds eat berries

• It lets itself be eaten by an ant, because birds eat ants

• It hides in ant eggs, because birds eat ant eggs

Where is there symbiosis in the relationship among the bird, ant, and parasite?

• None of them-the parasite benefits no one

• Between the ant and the bird

• Between the parasite and the ant

• Between the parasite and the bird

Why did the man get a hookworm from walking around the toilet area barefoot?

• Hookworms are found in the soil all over Africa

• Hookworms are attracted to wet places

• Hookworms come out of people in their feces

• Hookworms are attracted to bare feet

How do scientist think that the hookworm cured the man’s allergies?

• They think the hookworm sucked up all the allergies inside the man

• They think the hookworm used its hook to stop allergens from entering the man

• They think the hookwormate the other parasites inside the man

• They think something in the hookmorm’s spit calmed down the allergies

Why does Toxo want to stay inside of cats?

• It can only breathe the gases inside cats

• It is unable to survive in any other organisms

• It is only able to mate inside cats

• It can only find the food they it needs inside cats

How can Toxo go from a rat back into a cat?

• It kills the rat so that the cat can eat it

• It sends out a scent that attracts cats

• It turns off the part of the rat’s brain that fears cats

• It comes out in the rat’s feces and cats will eat rat feces