Biology Exam Revision Semester 1 10A

Which term is used to describe organisms such as bacteria, fungi and detritivores?

• Carnivores

• Decomposers

• Parasites

• Scavengers

What type of consumer is a herbivore?

• Primary consumer

• Secondary consumer

• Tertiary consumer

• Quaternary consumer

The diagram represents a food chain. Which organism is the producer?

• Frog

• Green Fly

• Pondweed

• Snake

The cabbage garden yields 15,550 kj of energy. If at each trophic level only 10% of the energy is passed, on from the previous level, how much energy is available to the second trophic level?

• 1,555kj

• 1,555kj

• 1,550kj

• 1,500kj

The amount of energy at trophic levels 1 and 4 in an ecosystem is indicated by the number. Only 10% of the energy is passed on to the next trophic level. What is the total number of energy in levels 2 and 3?

• 100

• 110

• 1,100

• 10,000

Answer each oart to this question:

a. Where does all the energy for all these organisms come from?

b. From the food wed, give an example of a producer.

c.Example of a primary consumer

d. Example of a secondary consumer

Which structure identifies black mangroves?

• Prop roots

• Breathing roots

• Salts glands

• Shiny leaves

Which Mangroves are represented here?

i. Diagram A

ii. Diagram B

Draw and label a Coral Polyp ( Coral and snap a photo)

What is the importance of Mangroves?