Relationships in Biology

CompetitionPredator/PreyMutualisticCommensalisticParasitic

1. The Nile Crocodile opens his mouth and a bird called the Egyptian Plover hops into his mouth and cleans the crocodile’s teeth by eating the parasites and bits of food found around the teeth.

Relationship: ______

2. The rhino has ticks that drink his blood for nutrients.

Relationship: ______

3. The rhino has a tick bird that stands on his back and eats the ticks.

Relationship: ______

4. The shark often tears meat up that he is eating allowing pieces to accidentally float out of his mouth uneaten. The remora fish follows the shark and eats these floating pieces of prey.

Relationship: ______

5. Most plants have a fungus growing around its roots and helping the plant absorb water. The plant sends sugar that it makes back down to the fungus.

Relationship: ______

6. Spanish moss lives up in oak trees, resting on the branches in order to get more light. The moss uses it’s own water and makes its own food. Oak trees with Spanish moss are just as healthy as oak trees without Spanish moss.

Relationship: ______

7. A bee picks up nectar from a flower and also gets pollen on its legs. When it visits another flower for more nectar it leaves some of the pollen in the new flower.

Relationship: ______

8. A mosquito sucks blood from a dog

Relationship: ______

9. Bacteria live inside your intestine and get nutrients from your food while helping you digest your food

Relationship: ______

10. A bird follows behind an elephant eating the bugs the elephant stirs up as he walks. The elephant receives no benefit from this but is not hurt either

Relationship: ______

  1. A butterfly and a flower

Relationship: ______

12. The hyena and the lion both eat on the body of a zebra that the lion killed.

Hyena and lion Relationship: ______

Lion and zebra Relationship: ______

Hyena and zebra Relationship: ______

13. The duck and the goose both try to use the same nesting sites.

Relationship: ______

14. The oak tree and the cottonwood tree both grow quickly in order to access sun.

Relationship: ______

15. The rhino will territorially charge at the elephant

Relationship: ______

16. The cat will hunt the bird.

Relationship: ______

17. A frog and a bug

Relationship: ______

  1. A frog and a toad

Relationship: ______