Post Test - Ecosystem

Which of the following are inorganic matter making up ecosystems?

• Water and light

• Plants and microorganisms

• Carbohydrates and proteins

• Potassium and carbon dioxide

Which of the following affects the adaptation of owls to hunt for food at night?

• Light

• Predator

• Temperature

• Number of prey

Which of the following is the most important factor causing the migration(การย้านถิ่นฐาน) of animals?

• Light

• Mineral

• Temperature

• Acidity and Alkalinity of soil and water

What is the cause that make the leaves of cacti adapted into spines?

• Water

• Light

• Chemical elements

• Temperature

Which of the following groups of consumers do millipedes(กิ้งกือ) belong to?

• Herbivore

• Producer

• Scavengers

• Decomposer

Which of the following organisms are herbivores?

• Buffaloes,

  Chickens,

  Birds.

• Chickens,

  Birds.

  Hares.

• Buffaloes'

  Cows'

  Hares

• Horses'

  Buffaloes'

  Eagles

Which group of organisms releases enzymes to digest food out of their bodies?

• Producers

• Scavengers

• Carnivores

• Decomposers

Which of the following is the meaning of population?

• All organisms living together in an ecosystem

• A group of a species living in a habitat

• Different species living together in a habitat at the same time

• A group of a species living together in a habitat at the time

Two species live together that is beneficial to one and has neither nor harmed. helped What is their relationship?

• Parasitism

• Mutualism

• Commensalism

• Protocooperation

Which of the following pairs of organisms are in a mutualistic relnsationship?

• Ferns and trees

• Ants and aphids

• Remoras and Sharks

• Protozoans and termites