Choose the letter of the correct answer.


5. Which of the following pairs of organisms show parasitism?
a. Fleas and a dog

b. A bird’s nest and a tree

c. Butterflies and flowers


6. Which of the following pairs of organisms is an example of mutualism?


a. Bees and flowers

b. An eagle and a monkey

c. Orchids and trunk of a tree


7. Which is an example of a beneficial interaction?

a. Ferns growing on tree branches

b. snake catching and eating a rat

c. Grasses and a rose in a flower pot



8. Which of the following is a harmful interaction?

a. Orchids growing on tree branches

b. Bees and flowers

c. A bird and a worm



9. One example of commensalism is when the plant like fern is attached on a branch of a tree. Why is the interaction called a beneficial interaction? * 1 point

a. Both benefit from each other

b. The tree is benefited from the relationship

c. A fern benefits while the branch of tree is neither harmed nor benefited


10. Which of the following pair of organisms show predation. flowers and bees fleas and human deer and lion​