EVERYDAY SCIENCE - ECOSYSTEMS

Question 2

At a trip to the zoo, Ace saw an enclosure with some animals and plants living together in the same habitat.

Answer 1

a) Fill in the following blanks with the keywords provided below.
[consumers] • [size] • [producers] • [same] • [community]

• A population is a group of living things of the kind that live together.

• The of a population can change over time. For example, it can increase when there are fewer predators; it can decrease when there is a shortage of food.

• A is made up of different populations of living things that live together in a habitat.

• Plants are called as they make their own food through photosynthesis.

• Animals are called as they cannot make their own food and have to feed on other organisms.


b) Ace recorded the number of organisms in the table below. Using the data given, answer the following questions.


Organisms Number
Sea grass (fully submerged plant) 5
Sword plant (partially submerged plant) 5
Ivy climber plant 3
Fig tree 2
Blue crown pigeon 2
Adult Mosquito 5
Mosquito larva 10
Tetra fish 50

i) What is the total number of populations?

Answer:


ii) What is the total population size of all the producers?

Answer:


iii) What is the total number of communities?

Answer:




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“In 1991, scientists completed building the world’s largest enclosed ecosystem with different habitats to study how different organisms interact with each other and with the environment.”