Seatwork

Directions: Read and answer each item carefully. Write the letter that corresponds to your choices in the space provided before each number.

What interaction is displayed when birds live in the hollow of trees?

• A. Parasitism

• B. Predator-prey

• C. Mutualism

• D. Commensalism

Directions: Read and answer each item carefully. Write the letter that corresponds to your choices in the space provided before each number.

What ecological relationship is involved when a mosquito sucks the blood of different organisms?

• Mutualism

• Decomposition

• . Parasitism

• Commensalism

Directions: Read and answer each item carefully. Write the letter that corresponds to your choices in the space provided before each number.

What ecological relationship is involved in this situation? “A feeder fish usually follows behind sharks to pick up food and the shark is unaffected.”

• Mutualism

• Decomposition

• . Parasitism

• Commensalism

Directions: Read and answer each item carefully. Write the letter that corresponds to your choices in the space provided before each number.

What kind of ecological relationship is involved when a larva of an insect lives on the leaves of the plant and causes damage by eating the leaves?

• Mutualism

• Decomposition

• Parasitism

• Commensalism

Directions: Read and answer each item carefully. Write the letter that corresponds to your choices in the space provided before each number.

Which of the following defines predation?

• A. A relationship between organisms that strive for the same resources in the same place.

• B. A relationship in which one organism benefits while the other is unharmed.

• C. A relationship where one organism benefits while the other is eaten.

• D. A relationship where both organisms benefit from the relationship

What relationship is known whereby one organism benefits and the other is unaffected?

• A. Parasitism

• B. Mutualism

• C. Immigration

• D. Commensalism

Which of the following correctly describes the relationship between an orchid and a tree?

• A. The orchid is benefitted while the tree is harmed

• The orchid is harmed while the tree is benefitted

• The orchid is benefitted while the tree is unaffected

• The orchid and the tree both benefits from the relationship.

Which of the following mutualism relationship exhibits?

• A. algae - fungi

• B. rats - cats

• C. rice bird - hawk

• D. worms - humans

Which of the following are needed in setting up an aquarium as a mini ecosystem

• A. water and fish only

• B. water, sand, soil and light only

• c. population of fish, snails and plant only

• D. Communities of different species of organisms, water, sand, soil and sunlight

Which of the following describes parasitism?

• A. Fern plant growing on a trunk of a tree.

• B. Barnacle sticking on the shell of an oyster.

• C. An orchid living on a trunk of a mahogany tree.

• D. an insect larva staying on the leaves of a plant