ECOSYSTEM

How do plants and animals interact in the tropical rainforest?

• Animals benefit as members of food chains and ecosystems while the plants do not.

• Plants benefit as members of food chains and ecosystems while the animals do not.

• Plants and animals benefit each other as members of food chains and ecosystems.

• Plants and animals do not benefit each other as members of food chains and ecosystems.

What are the nonliving components of a tropical rainforest that interact with living components?

• plants

• lichens

• animals

• climate, soil and water

Tropical rainforests are called the “lungs of the Earth”, why?

• They are the source of food for other organisms.

• They get their energy directly from the sun.

• They supply the earth with carbon dioxide.

• They supply the earth with oxygen.

Which of the following pairs of organisms shows commensalism?

• butterfly sucking the flowers

• ferns attached to a tree

• flatworms in coral reefs

• snake eating a rat

Which is an abiotic component of an ecosystem?

• light

• tree

• worm

• bird

Why is there a need to protect and conserve the mangrove swamp ecosystem?

• It is home to animals like jaguar, monkey and owl.

• It serves as breeding or nesting grounds of fishes.

• It protects sea animals like sponges, mollusks and crustaceans.

• It provides livelihood to the farmers.

. It is an environment where both living and non-living things exist and interact with one another.

• ecology

• ecosystem

• community

• population

The fishermen in the barangay use dynamites in order to have a big catch. If this practice continues, what do you think will happen to the marine resources?

• The coral will multiply.

• Fishes will multiply fast.

• Marine life will increase.

• Marine life will decrease.

In the tropical forest, trees provide an important role in the lives of organism such as birds and other animals. What will happen if we plant more trees?

• They will migrate.

• There will be no shelter for them.

• There will be more places for the birds to stay.

• There will be no food to be provided by the trees.

Which shows concern in protecting the environment?

• Burn garbage in an open area.

• Throwing wastewater into a river.

• Hunting wildlife animals for commercial purposes.

• Participating in “clean and green” projects and campaigns.