ASSP T3 - End exam - G5

What is meant by the term transpiration?

• water loss from the roots

• water absorption from the roots

• water loss from the leaves

• water absorption from the leaves

In a river ecosystem, which of the following would be considered biotic factor?

• The flow rate of the river.

• The rocks along the riverbed.

• The bacteria living in the water.

• The amount of sunlight the river receives.

Which of the following help(s) return nitrogen into atmosphere?

• Decomposer and bacteria

• Bacteria only

• decomposer only

• Virus and bacteria

If a garden has poor soil quality, how might adding decomposers like earthworms and compost help improve it?

• Decomposers would eat the plants, reducing competition.

• Decomposers convert dead organic matter into nutrients that enrich the soil.

• They would attract more insects, increasing plant pollination.

• They would scare away animals that might eat the plants.

If many of the trees in a forest are cut down, how might this affect the animals living there?

• Animals have more space to live

• It would not affect the animals

• Animals decrease in number due to habitat loss.

• The weather will become cooler

Which of the following organisms should be add to the diagram to represent a decomposer ?

• Fungi

• Algae

• Prey

• Predator

If a squirrel and a bird live in the same tree, why might they not be in competition with each other?

• Because they do not share the same habitat.

• Because they have different niches within the same habitat.

• Because one is a bird and the other is a mammal.

• Because they eat the same food.

If a park has too many deer (prey), which are eating all the vegetation, what might be a natural way to manage this problem?

• Introduce more deer into the area.

• Remove all the deer from the park.

• Introduce a natural predator of the deer.

• Plant more trees and shrubs.

If a forest ecosystem lost all its herbivores, how might this impact the carnivores?

• Carnivores would eat more plants.

• Carnivores would have less food available

• no effect on carnivores.

• Carnivores would start to eat more insects.

How could the introduction of a invasive fish species potentially affect the local fish population in a lake?

• lead to improved water clarity

• cause decrease in local fish populations due to competition for food.

• The invasive fish will likely become prey

• There will be no impact