What I Know
Directions: Choose the letter of the best answer. Write your answers in your
science activity notebook.
1. What type of relationship exists between dogs and humans?
A. Commensalism
C. Mutualism
B. Competition
D. Predation
2. In which type of relationships do organisms compete for survival?
A. Competition
C. Parasitism
B. Mutualism
D. Predation
3. Which of the following examples display mutualism?
A. Algae living on corals
B. Butterfly feeding on nectar of a flower
C. Orchids attach itself on the trunk of a tree
D. A bird making its nest on the branch of the tree
4. Which of the following statements is TRUE in predation?
A. Both of the organisms are harmed.
B. Both of the organisms are benefited.
C. One organism is benefited while the other is harmed.
D. One organism is benefited while the other is unaffected.
5. How does mutualism affect the organisms involved in the relationship?
A. Mutualism shortens the life of the organisms.
B. Mutualism makes the life of the organism difficult.
C. Mutualism makes the partner organism unproductive.
D. Mutualism gives beneficial effect on both the organisms.
6. Spring onions grow in a pot. What kind of relationship exists among the
spring onions?
C. Parasitism
A. Competition
B. Mutualism
D. Predation
THANK U LATER​