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Plankton

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is a primary producer in aquatic ecosystems?

a)

Fish

b)

Phytoplankton

c)

Jellyfish

d)

Sea urchins

2.

What is the primary pigment responsible for photosynthesis in phytoplankton?

a)

Chlorophyll a

b)

Chlorophyll b

c)

Carotenoids

d)

Phycobilins

3.

Which environmental factor is most important for the growth of phytoplankton?

a)

Temperature

b)

Salinity

c)

Oxygen levels

d)

Sunlight availabilities

4.

What role do phytoplankton play in the carbon cycle?

a)

They release carbon dioxide through respiration

b)

They absorb carbon dioxide during photosynthesis

c)

They convert carbon dioxide into methane

d)

They have no impact on the carbon cycle

5.

Which of the following is NOT a common type of phytoplankton?

a)

Diatoms

b)

Dinoflagellates

c)

Copepods

d)

Cyanobacteria

6.

What is the term for the study of oceans?

(a)  

7.

What is the name of the tiny organisms that live symbiotically with corals?

(a)  

8.

What is the largest fish species in the world?

(a)  

9.

What is the study of fish called?

(a)  

10.

Name any threat to the coral reef.

4 lines
11.

What is the shape/type of the sardine or Engraulidae eggs?

(a)  

12.

Give one stage of fish larval development

4 lines
13.

Give one food of fish larvae

4 lines
14.

What is the yellow part inside the egg and use for flotation and food reserve?

(a)  

15.

What is the other term for fish larvae?

(a)  

16.

True or false. Zooplankton do not have the ability to be mobile.

a)

True

b)

False

17.

These type of zooplankton are only planktonic at a certain point in life

a)

Nemoplankton

b)

Meroplankton

c)

Holoplankton

d)

Haloplankton

18.

There have been representations of plankton in media, among them is Plankton from Spongebob Squarepants. What type of zooplankton is Plankton?

a)

Ostracod

b)

Jellyfish

c)

Cladoceran

d)

Copepod

19.

This is the a shower of organic material falling from upper waters to the deep ocean, most of which are zooplankton.

a)

Plankton shower

b)

Marine fall

c)

Marine snow

d)

Plankton storm

20.

These zooplankton remain planktonic throughout their lives

a)

Nemoplankton

b)

Haloplankton

c)

Holoplankton

d)

Meroplankton